DISPLAY AND GAUGE SYSTEM

• HEADINGS
  • Component Location Index
  • Self-diagnostic Function
    • Entering the self-diagnostic function
    • The Beeper Drive Circuit Check
    • The Indicator Drive Circuit Check
    • Switch Input Check
    • The LCD Segment Check
    • The Gauge Drive Circuit Check
      • The Communication Line Check
      • The Communication Line Check
      • Ending the self-diagnostic function
  • Circuit Diagram
  • Rewriting the ODO Data and Transferring the Maintenance Minder on a New Gauge Control Module
    • Procedure
    • Release locked odometer mileage to the original gauge control module
  • Gauge Control Module Replacement
  • Outside Air Temperature Indicator Test
    • Troubleshooting
    • Calibration
    • Calibration
  • Select/Reset/Information Switch Test/Replacement
  • Resetting the Maintenance Required Indicator
  • DTC Troubleshooting
    • DTC B1152: Gauge Control Module EEPROM Error
    • DTC B1155: Gauge Control Module Lost Communication with the Combination Switch Control Unit (Headlight Switch Message)
    • DTC B1156: Gauge Control Module Lost Communication with the Combination Switch Control Unit (Wiper Switch Message)
    • DTC B1157: Gauge Control Module Lost Communication with Multiplex Integrated Control Unit (MICU)
    • DTC B1158: Gauge Control Module Lost Communication with Relay Module
    • DTC B1159: Gauge Control Module Lost Communication with the Multiplex Integrated Control Unit (MICU) (Door Switch Message)
    • DTC B1160: Gauge Control Module Lost Communication with the Door Multiplex Control Unit (Door Lock Switch Message)
    • DTC B1170: Gauge Control Module Lost Communication with VSA Modulator-Control Unit (VSA Message) ('05-08 modes)
    • DTC B1175: Fuel Gauge Sending Unit Signals Input Error ('04 model)
    • DTC B1175: Fuel Gauge Sending Unit Circuit Open ('05-08 models)
    • DTC B1176: Fuel Gauge Sending Unit Circuit Short ('05-08 models)
    • DTC B1177: Abnormal Battery Voltage (7.5 V)
• FIGURES
  • Fig. 1: Identifying Gauges Component Location (1 Of 3)
  • Fig. 2: Identifying Gauges Component Location (2 Of 3)
  • Fig. 3: Identifying Gauges Component Location (3 Of 3)
  • Fig. 4: Self-Diagnosis Blinking Pattern
  • Fig. 5: Self-Diagnosis Blinking Pattern - Gauge Drive Circuit
  • Fig. 6: Identifying Odo/Trip LCD Segments Display
  • Fig. 7: Identifying Multi-Information Display
  • Fig. 8: Gauges Circuit Diagram - 04-05 Models (1 Of 7)
  • Fig. 9: Gauges Circuit Diagram - 04-05 Models (2 Of 7)
  • Fig. 10: Gauges Circuit Diagram - 04-05 Models (3 Of 7)
  • Fig. 11: Gauges Circuit Diagram - 04-05 Models (4 Of 7)
  • Fig. 12: Gauges Circuit Diagram - 04-05 Models (5 Of 7)
  • Fig. 13: Gauges Circuit Diagram - 04-05 Models (6 Of 7)
  • Fig. 14: Gauges Circuit Diagram - 04-05 Models (7 Of 7)
  • Fig. 15: Gauges Circuit Diagram - 06-08 Models (1 Of 7)
  • Fig. 16: Gauges Circuit Diagram - 06-08 Models (2 Of 7)
  • Fig. 17: Gauges Circuit Diagram - 06-08 Models (3 Of 7)
  • Fig. 18: Gauges Circuit Diagram - 06-08 Models (4 Of 7)
  • Fig. 19: Gauges Circuit Diagram - 06-08 Models (5 Of 7)
  • Fig. 20: Gauges Circuit Diagram - 06-08 Models (6 Of 7)
  • Fig. 21: Gauges Circuit Diagram - 06-08 Models (7 Of 7)
  • Fig. 22: Identifying Shop Towel
  • Fig. 23: Identifying Indicator Displays
  • Fig. 24: Identifying Temperature Settings Display
  • Fig. 25: Identifying Outside Air Temperature Sensor And Thermometer
  • Fig. 26: Identifying Multi-Information Display
  • Fig. 27: Identifying Outside Air Temperature Sensor And Thermometer
  • Fig. 28: Identifying 8P Connector Terminal
  • Fig. 29: Checking For Continuity Between Terminal In Each Switch Position
  • Fig. 30: Measuring Voltage Between No. 16 And 17 Terminals Of Gauge Control Module Connector B (18P)
  • Fig. 31: Checking Continuity Between No. 16 Terminal Of Gauge Control Module Connector B (18P) And Body Ground
  • Fig. 32: Measuring Voltage Between Gauge Control Module And Fuel Pump/Fuel Gauge Sending Unit 5P Connector Terminal
  • Fig. 33: Checking Continuity Between Gauge Control Module Connector B (18P) Terminal No. 16 And Body Ground
  • Fig. 34: Measuring Voltage Between No. 10 Terminal And Body Ground
  • Fig. 35: Measuring Voltage Between No. 10 And No. 9 Terminals
• TABLES
  • RESETTING MAINTENANCE REQUIRED INDICATOR BLINKING PATTERN

2004-08 ACCESSORIES & EQUIPMENT

Gauges - TSX

Component Location Index

Fig. 1: Identifying Gauges Component Location (1 Of 3)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig. 2: Identifying Gauges Component Location (2 Of 3)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig. 3: Identifying Gauges Component Location (3 Of 3)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Self-diagnostic Function

Before troubleshooting the gauge system, refer to multiplex integrated control system B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).

The gauge control module has a self-diagnostic function.

• The beeper drive circuit check
• The indicator drive circuit check
• The switch input test
• The LCD segments check
• The gauges drive circuit check (Speedometer, Tachometer, Fuel gauge. Coolant temperature gauge)
• The communication line check (of the body controller area network (B-CAN) communication line and the fast controller area network (F-CAN) communication line between the gauges).

NOTE:

Indicators are also controlled via the communication line.

Entering the self-diagnostic function

Before doing the self-diagnostic function, check the No. 7 (10 A) fuse and the No. 21 (7.5 A) fuse in the under-dash fuse/relay box.

1. Push and hold the trip/reset^*1 (select/reset)^*2 switch.
2. Turn the headlights ON.
3. Turn the ignition switch ON (II).
4. Within 5 sec, turn the headlights OFF, then ON and OFF again.
5. Within 5 sec, release the trip/reset^*1 (select/reset)^*2 switch, and then push and release the switch three times repeatedly.

NOTE:

While in the self-diagnostic mode, the dash lights brightness controller operates normally. While in the self-diagnostic mode, the trip/reset button is used to start the Beeper Drive Circuit Test and the Gauge Drive Circuit Check. If the vehicle speed exceeds 1.2 mph (2 km/h) or the ignition switch is turned OFF, the self-diagnostic mode ends. Fig. 4: Self-Diagnosis Blinking Pattern Courtesy of AMERICAN HONDA MOTOR CO., INC.

The Beeper Drive Circuit Check

When entering the self-diagnostic mode, the beeper sounds five times.

The Indicator Drive Circuit Check

When entering the self-diagnostic mode, the following indicator lights blink:

A/T gear position indicator, brake system indicator, charging system indicator, cruise main indicator ('06-08 models), fog light indicator, high beam indicator, lights-on indicator, low fuel indicator, low oil pressure indicator, low tire pressure indicator ('07-08 models), maintenance required indicator, malfunction indicator lamp (MIL), safety indicators (doors and trunk) ('04-05 models), seat belt reminder indicator, security indicator, system message indicator ('06-08 models), VSA indicator.

Switch Input Check

After the intermittent beeper sounds a+ the initial stage of self-diagnosis, a beeper sounds continuously while any of the following switch inputs are switched from OFF to ON:

Cruise control main cruise set, cruise cancel, cruise resume, info switch ('06-08 models) VSA OFF, and parking brake switches.

The LCD Segment Check

('04-05 models)

When entering the self-diagnostic mode, Cruise control indicator, Cruise main indicator, DRL indicator (Canada models), Odo/trip indicator. Outside air temperature indicator. Safety indicator, Sequential sports shift mode indicator (A/T), Washer fluid level indicator (Canada models), blink five times.

('06-08 models)

When entering the self-diagnostic mode, all segments blink five times. For MID, the word "Checking Now" on the display blinks five times.

The Gauge Drive Circuit Check

When entering the self-diagnostic mode, the speedometer, the tachometer, the fuel gauge, and the coolant temperature gauge needles sweep from the minimum position to maximum position, then return to the minimum position.

NOTE:

After the beeper stops sounding and the gauge needles return to the minimum position, pushing the trip/reset switch starts the Beeper Drive Circuit Check (one beep) and the Gauge Drive Circuit Check again.

The check cannot be started again until the gauge needles return to the minimum position.

Fig. 5: Self-Diagnosis Blinking Pattern - Gauge Drive Circuit
Courtesy of AMERICAN HONDA MOTOR CO., INC.

If a needle fails to sweep or the beeper does not sound, replace the gauge control module.

The Communication Line Check

('04-05 models)

While in the self-diagnostic mode, the Communication Line Check starts after the odo/trip LCD Segments Check. If all segments come on, the communication line is OK.

• If the word "Error 1" is indicated, there is a malfunction in the communication line between the gauge control module and the fast controller area network (F-CAN). Check for DTCs in the ECM/PCM. If no DTCs are found, go to TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A .
• If the word "Error 2" is indicated, there is a malfunction in the communication line between the gauge control module and the body controller area network (B-CAN). Go to TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A .
• If the word "Error 3" is indicated, there is a malfunction in the communication line between the gauge control module and the body controller area network (B-CAN) and the fast controller area network (F-CAN). Check for DTCs in the ECM/PCM. If no DTCs are found, go to TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A .

  Fig. 6: Identifying Odo/Trip LCD Segments Display
  Courtesy of AMERICAN HONDA MOTOR CO., INC.

If any communication line errors are found, go to TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A .

The Communication Line Check

('06-08 models)

While in the self-diagnostic mode, the Communication Line Check starts after the LCD Segments Check.

If the word "F-CAN......OK", "B-CAN......OK" are indicated, communication line is OK. If there is a communication line error, the word "ERROR" will be indicated instead of "OK".

• If the word "F-CAN......ERROR" is indicated, there is a malfunction in the communication line between the gauge control module and F-CAN. Check for DTCs in the PCM and troubleshoot any DTCs found. If no DTCs are found, go to TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A .
• If the word "B-CAN......ERROR" is indicated, there is a malfunction in the communication line between the gauge control module and B-CAN. Go to TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A .

  Faulty (example B-CAN Error)

  Fig. 7: Identifying Multi-Information Display
  Courtesy of AMERICAN HONDA MOTOR CO., INC.

Ending the self-diagnostic function

Turn the ignition switch OFF.

NOTE:

If the vehicle speed exceeds 1.2 mph (2 km/h), the self-diagnostic function ends.

Circuit Diagram

'04-05 models

Fig. 8: Gauges Circuit Diagram - 04-05 Models (1 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig. 9: Gauges Circuit Diagram - 04-05 Models (2 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig. 10: Gauges Circuit Diagram - 04-05 Models (3 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig. 11: Gauges Circuit Diagram - 04-05 Models (4 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig. 12: Gauges Circuit Diagram - 04-05 Models (5 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig. 13: Gauges Circuit Diagram - 04-05 Models (6 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

'04-05 models

Fig. 14: Gauges Circuit Diagram - 04-05 Models (7 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

'06-08 models

Fig. 15: Gauges Circuit Diagram - 06-08 Models (1 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig. 16: Gauges Circuit Diagram - 06-08 Models (2 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig. 17: Gauges Circuit Diagram - 06-08 Models (3 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig. 18: Gauges Circuit Diagram - 06-08 Models (4 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig. 19: Gauges Circuit Diagram - 06-08 Models (5 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig. 20: Gauges Circuit Diagram - 06-08 Models (6 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig. 21: Gauges Circuit Diagram - 06-08 Models (7 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Rewriting the ODO Data and Transferring the Maintenance Minder on a New Gauge Control Module

NOTE:

Obtain a new gauge control module before starting the rewriting process. Rewriting is not possible on a gauge control module that will not communicate with the HDS. Make sure that the HDS shows the correct VIN for the car you are working on. Once you have started this procedure, you must complete it before removing the HDS from the DLC. Connect a battery jump box (not a battery charger) to insure that correct battery voltage will be maintained.

Procedure

1. Before replacing the gauge control module, connect the HDS.
2. Select GAUGES from the BODY ELECTRICAL menu display.
3. Select "Gauge Control Module Replacement (ODO rewrite)" from the ADJUSTMENT menu, and follow the instructions on the display to retrieve the ODO value and the Maintenance Minder Information.
4. Replace the gauge control module.
5. Follow the instructions on the display to write the new ODO value and Maintenance Minder to the new gauge control module. If the data transfer fails, refer to the following instructions to release the locked ODO data.

Release locked odometer mileage to the original gauge control module

If after you attempt to transfer mileage the odometer has dashes (-), garbled, or incorrect value displayed, do the following.

1. Confirm that you have the latest HDS version of software.
2. Make sure that the HDS shows the correct VIN for the car you are working on.
3. With the ignition switch OFF, reconnect the original gauge control module.
4. Completely re-boot the HDS.
5. Clear any stored DTCs.
6. Navigate to Body Electrical/Gauges/Adjustment/ Instrument Panel Replacement.
7. Select "3. Releasing Locked ODO Value".
8. Follow the prompts and the odometer mileage will be restored.
9. Start over and make sure the screen prompts are followed.

Gauge Control Module Replacement

NOTE:

Before replacing the gauge control module, (see REWRITING THE ODO DATA AND TRANSFERING THE MAINTENANCE MINDER ON A NEW GAUGE CONTROL MODULE).

1. Remove the driver's dashboard lower cover (see DRIVER'S DASHBOARD LOWER COVER REMOVAL/INSTALLATION ), then remove the upper column cover (see STEERING COLUMN REMOVAL AND INSTALLATION ).
2. Place a clean shop towel (A) under the gauge control module to prevent scratching the steering column or dash panel.

   Fig. 22: Identifying Shop Towel
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Remove the screws from the gauge control module (B).
4. Disconnect the 22P and 18P connectors (C), then remove the gauge control module.
5. Install the gauge control module in the reverse order of removal.

Outside Air Temperature Indicator Test

NOTE:

To test the outside air temperature sensor (see OUTSIDE AIR TEMPERATURE SENSOR TEST ).

Troubleshooting

If the indicator displays "-" for more than two seconds after selecting the outside air temperature display mode, Check the climate control system for DTCs (see GENERAL TROUBLESHOOTING INFORMATION ), or an open in the LT BLU wire between the under-dash fuse/relay box and the climate control unit.

Fig. 23: Identifying Indicator Displays
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Calibration

The outside air temperature indicator's displayed temperature can be recalibrated ± 3° to meet the client's expectations.

('04-05 models)

1. Turn the ignition switch ON (II).
2. Press and hold the reset select button for 10 seconds. While you continue to hold the button, the display will scroll through temperature settings between +3° and -3° as shown.

   Fig. 24: Identifying Temperature Settings Display
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. When the desired correction value appears on the display, release the button, and the recalibrated outside air temperature will be displayed. Each time a desired correction value is entered, it replaces the previous value.

   Example:

   Incorrect value = 68 ° (20°C)

   Desired correction value = +2°F(+1°C)

   Correct value = 70°F (21°C)

   Desired correction value =- 2°F(- 1°C)

   Correct value = 66°F (19°C)

   NOTE:

   To recalibrate the display to the true temperature, remove the outside air temperature sensor (A), but leave it connected. Submerge the sensor and a thermometer (B) in a container of ice water (C). Select the calibration mode as described above, then recalibrate the display to the true temperature.

   Fig. 25: Identifying Outside Air Temperature Sensor And Thermometer
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

Calibration

('06-08 models)

1. Unlock the driver's door by using the keyless transmitter.
2. Turn the ignition switch ON (II).
3. Press and hold the INFO switch for more than 3 seconds.
4. Select "CHANGE SETTING" on the multi-information display (MID).
5. Select "METER SETUP", and then "ADJUST OUTSIDE TEMP, DISPLAY".
6. Press the INFO switch repeatedly. When the desired correction value is shown on the MID, press the SEL/RESET switch.

   Fig. 26: Identifying Multi-Information Display
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

7. The correction value is displayed for several seconds, and then the display goes back to "CUSTOMIZE MENU".

   Example:

   Incorrect value = 68°F (20°C)

   Desired correction value = +2°F (+1°C)

   Correct value = 70°F (21°C)

   Desired correction value = -2°F (- 1°C)

   Correct value = 66°F (19°C)

   NOTE:

   To recalibrate the display to the true temperature, remove the outside air temperature sensor (A), but leave it connected. Submerge the sensor and a thermometer (B) in a container of ice water (C). Select the calibration mode as described above, then recalibrate the display to the true temperature.

   Fig. 27: Identifying Outside Air Temperature Sensor And Thermometer
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

Select/Reset/Information Switch Test/Replacement

('06-08 models)

1. Remove the driver's airbag assembly (see DRIVER'S AIRBAG REPLACEMENT ).
2. Disconnect the 8P connector (A).

   Fig. 28: Identifying 8P Connector Terminal
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Remove the two screws and the select/reset/ information switch (B).
4. Check for continuity between the terminal in each switch position according to Fig. 29.

   Fig. 29: Checking For Continuity Between Terminal In Each Switch Position
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. If the continuity is not as specified, replace the switch.

Resetting the Maintenance Required Indicator

Blinking Pattern:

RESETTING MAINTENANCE REQUIRED INDICATOR BLINKING PATTERN

Miles (km)	Maintenance Reminder Light
At 7,900 (12,640) to 8,100(12,960)	Blinks for 10 seconds when the ignition switch is turned ON (II).
At 9,900 (15,840) to 10,100(16,160)	Comes on and stays on while the ignition switch is ON (II).

How to Reset

Press and hold the trip/reset button, turn the ignition switch ON (II), and continue to hold the button for more than 10 seconds.

DTC Troubleshooting

DTC B1152: Gauge Control Module EEPROM Error

1. Clear the DTCs using the HDS.
2. Start the engine.
3. Check for DTCs by selecting the DTCs MENU (DTCs) from the HDS.

   Is DTC B1152 indicated?

   YES - Faulty gauge control module; replace the gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ).

   NO - Intermittent failure, the gauge control module is OK at this time. Check pinfits and connections. If the connections are good, check the battery condition (see BATTERY TEST ), and the charging system (see CHARGING SYSTEM INDICATOR CIRCUIT TROUBLESHOOTING ).

DTC B1155: Gauge Control Module Lost Communication with the Combination Switch Control Unit (Headlight Switch Message)

NOTE:

If you are troubleshooting multiple DTC's be sure to follow the instructions in B-CAN system diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).

1. Clear the DTCs using the HDS.
2. Cycle the ignition switch to OFF, and then back ON.
3. Check for DTCs by selecting the DTCs MENU (DTCs) from the HDS.

   Is DTC B1155 indicated?

   YES - Go to step 4.

   NO - Intermittent failure. The gauge control system is OK at this time. Check pinfits and connections.

4. Check for DTCs by selecting the DTCs MENU (DTCs) from the HDS.

   Is DTC B1007 or B1062 also indicated?

   YES - Go to COMBINATION SWITCH CONTROL UNIT INPUT TEST .

   NO - Go to GAUGE CONTROL MODULE INPUT TEST .

DTC B1156: Gauge Control Module Lost Communication with the Combination Switch Control Unit (Wiper Switch Message)

NOTE:

If you are troubleshooting multiple DTC's be sure to follow the instructions in B-CAN system diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).

1. Clear the DTCs using the HDS.
2. Cycle the ignition switch to OFF, and then back ON.
3. Check for DTCs by selecting the DTCs MENU (DTCs) from the HDS.

   Is DTC B1156 indicated?

   YES - Go to step 4.

   NO - Intermittent failure. The gauge control system is OK at this time. Check pinfits and connections.

4. Check for DTCs by selecting the DTCs MENU (DTCs) of the HDS.

   Is DTC B1063 also indicated?

   YES - Go to COMBINATION SWITCH CONTROL UNIT INPUT TEST .

   NO - Go to GAUGE CONTROL MODULE INPUT TEST .

DTC B1157: Gauge Control Module Lost Communication with Multiplex Integrated Control Unit (MICU)

NOTE:

If you are troubleshooting multiple DTC's, be sure to follow the instructions in B-CAN system diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).

1. Clear the DTCs using the HDS.
2. Cycle the ignition switch to OFF, and then back ON.
3. Check for DTCs by selecting the DTCs MEN IT (DTCs) from the HDS.

   Is DTC B1157 indicated ?

   YES - Go to step 4.

   NO - Intermittent failure. The gauge control system is OK at this time. Check pinfits and connections.

4. Check for DTCs by selecting the DTCs MENU (DTCs) from the HDS.

   Are DTCs B1055, B1106, B1255, and B1806 also indicated?

   YES - Go to MICU INPUT TEST .

   NO - Go to GAUGE CONTROL MODULE INPUT TEST .

DTC B1158: Gauge Control Module Lost Communication with Relay Module

NOTE:

If you are troubleshooting multiple DTC's, be sure to follow the instructions in B-CAN system diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).

1. Clear the DTCs using the HDS.
2. Cycle the ignition switch to OFF, and then back ON.
3. Check for DTCs by selecting the DTCs MENU (DTCs) from the HDS.

   Is DTC B1158 indicated?

   YES - Go to step 4.

   NO - Intermittent failure. The gauge control system is OK at this time. Check pin fits and connections.

4. Check for DTCs by the DTCs MENU (DTCs) of the HDS.

   Is DTC B1005 also indicated?

   YES - Go to RELAY CONTROL MODULE INPUT TEST .

   NO - Go to GAUGE CONTROL MODULE INPUT TEST .

DTC B1159: Gauge Control Module Lost Communication with the Multiplex Integrated Control Unit (MICU) (Door Switch Message)

NOTE:

If you are troubleshooting multiple DTC's, be sure to follow the instructions in B-CAN system diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).

1. Clear the DTCs using the HDS.
2. Cycle the ignition switch to OFF, and then back ON.
3. Check for DTCs by selecting the DTCs MENU (DTCs) from the HDS.

   Is DTC B1159 indicated?

   YES - Go to step 4.

   NO - Intermittent failure. The gauge control system is OK at this time. Check pinfits and connections.

4. Check for DTCs by selecting the DTCs MENU (DTCs) from the HDS.

   Are DTCs B1057, B1105, and B1807 also indicated?

   YES - Go to MICU INPUT TEST .

   NO - Go to GAUGE CONTROL MODULE INPUT TEST .

DTC B1160: Gauge Control Module Lost Communication with the Door Multiplex Control Unit (Door Lock Switch Message)

NOTE:

If you are troubleshooting multiple DTC's, be sure to follow the instructions in B-CAN system diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).

1. Clear the DTCs using the HDS.
2. Cycle the ignition switch to OFF, and then back ON.
3. Check for DTCs by selecting the DTCs MENU (DTCs) from the HDS.

   Is DTC B1160 also indicated?

   YES - Go to step 4.

   NO - Intermittent failure. The gauge control system is OK at this time. Check pinfits and connections.

4. Check for DTCs by the DTCs MENU (DTCs) of the HDS.

   Is DTC B1006 or B1058 also indicated?

   YES - Go to DOOR MULTIPLEX CONTROL UNIT INPUT TEST .

   NO - Go to GAUGE CONTROL MODULE INPUT TEST .

DTC B1170: Gauge Control Module Lost Communication with VSA Modulator-Control Unit (VSA Message) ('05-08 modes)

NOTE:

If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).

1. Clear the DTCs with the HDS.
2. Turn the ignition switch OFF, and then back ON (II).
3. Check for DTCs with the HDS.

   Is DTC B1170 indicated?

   YES - Go to step 4.

   NO - Intermittent failure, the F-CAN communication line is OK at this time. Check for DTCs in the ECM/PCM and the VSA modulator-control unit with the HDS. If F-CAN DTCs are present, check for a loose VSA ground or poor connections at the VSA modulator-control unit or gauge control module. If the connections are good, check the battery condition (see BATTERY TEST ) and the charging system, then clear all DTCs.

4. Check for DTCs in the ECM/PCM or VSA with the HDS.

   Are any DTCs indicated?

   YES - Go to the ECM/PCM or VSA indicated DTCs troubleshooting.

   NO - Go to step 5.

5. Do the gauge control module input test (see GAUGE CONTROL MODULE INPUT TEST ).

   Are all inputs OK?

   YES - Go to step 6.

   NO - Repair the faulty input, then recheck the DTCs.

6. Substitute a known-good gauge control module.
7. Clear the DTCs with the HDS.
8. Turn the ignition switch OFF, and then back ON (II).
9. Check for DTCs with the HDS.

   Is DTC B1170 indicated?

   YES - Recheck the ECM/PCM for DTCs, then recheck the VSA modulator-control unit for DTCs.

   NO - The original gauge control module is faulty; replace it (see GAUGE CONTROL MODULE REPLACEMENT ).

DTC B1175: Fuel Gauge Sending Unit Signals Input Error ('04 model)

1. Do the fuel gauge sending unit test (see FUEL GAUGE SENDING UNIT TEST ).

   Is the fuel gauge sending unit OK?

   YES - Go to step 2.

   NO - Replace the fuel gauge sending unit.

2. Turn the ignition switch ON (II).
3. Measure the voltage between the No. 16 and No. 17 terminals of gauge control module connector B (18P) and No. 1 and No. 2 terminals of the fuel pump/fuel gauge sending unit 5P connector.

   Fig. 30: Measuring Voltage Between No. 16 And 17 Terminals Of Gauge Control Module Connector B (18P)
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

   Is there less than 0.5 V?

   YES - Go to step 4.

   NO - Repair an open in the BLK/WHT or YEL/BLK wire between the gauge control module and fuel gauge sending unit.

4. Disconnect the fuel pump/fuel gauge sending unit 5P connector and gauge control module connector B(18P).
5. Check for continuity between the No. 16 terminal of gauge control module connector B (18P) and body ground.

   Fig. 31: Checking Continuity Between No. 16 Terminal Of Gauge Control Module Connector B (18P) And Body Ground
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

   Is there continuity?

   YES - Repair a short to ground in the BLK/WHT or YEL/BLK wire.

   NO - Replace the gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ).

DTC B1175: Fuel Gauge Sending Unit Circuit Open ('05-08 models)

1. Clear the DTCs with the HDS.
2. Turn the ignition switch OFF, and then back ON (II).
3. Wait for 30 seconds.
4. Check for DTCs with the HDS.

   Is DTC B1175 indicated?

   YES - Go to step 5.

   NO - Intermittent failure, the fuel gauge sending unit circuit is OK at this time. Check for loose or poor connections.

5. Turn the ignition switch OFF.
6. Disconnect the fuel pump/fuel gauge sending unit 5P connector.
7. Disconnect gauge control module connector B (18P) and check for loose or bent terminals.
8. Reconnect the connectors.
9. Turn the ignition switch ON (II).
10. Measure the voltage between gauge control module connector B (18P) terminal No. 16 and fuel pump/fuel gauge sending unit 5P connector terminal No. 2, and gauge control module connector B (18P) terminal No. 17 and fuel pump/ fuel gauge sending unit 5P connector terminal No. 1.

    Fig. 32: Measuring Voltage Between Gauge Control Module And Fuel Pump/Fuel Gauge Sending Unit 5P Connector Terminal
    Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there less than 0.5 V?

    YES - Go to step 11.

    NO - Repair an open or high resistance in the YEL/ BLK or BLK/WHT wires.

11. Do the fuel gauge sending unit test (see FUEL GAUGE SENDING UNIT TEST ).

    Is the fuel gauge sending unit OK?

    YES - Replace the gauge control module.

    NO - Replace the fuel gauge sending unit.

DTC B1176: Fuel Gauge Sending Unit Circuit Short ('05-08 models)

1. Clear the DTCs with the HDS.
2. Turn the ignition switch OFF, and then back ON (II).
3. Wait for 30 seconds.
4. Check for DTCs with the HDS.

   Is DTC B1176 indicated?

   YES - Go to step 5.

   NO - Intermittent failure, the fuel gauge sending unit circuit is OK at this time. Check for loose or poor connections.

5. Turn the ignition switch OFF.
6. Disconnect the fuel pump/fuel gauge sending unit 5P connector.
7. Clear the DTCs with the HDS.
8. Turn the ignition switch OFF, and then back ON (II).
9. Wait for 30 seconds.
10. Check for DTCs with the HDS.

    Is DTC B1176 indicated?

    YES - Go to step 11.

    NO - Do the fuel gauge sending unit test (see FUEL GAUGE SENDING UNIT TEST ).

11. Turn the ignition switch OFF.
12. Disconnect gauge control module connector B (18P).
13. Check for continuity between gauge control module connector B (18P) terminal No. 16 and body ground.

    Fig. 33: Checking Continuity Between Gauge Control Module Connector B (18P) Terminal No. 16 And Body Ground
    Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity?

    YES - Repair a short in the wire between the gauge control module and the fuel gauge sending unit.

    NO - Repair the gauge control module.

DTC B1177: Abnormal Battery Voltage (7.5 V)

1. Clear the DTCs using the HDS.
2. Cycle the ignition switch to OFF, and then back ON.
3. Check for DTCs by selecting the DTCs MENU (DTCs) from the HDS.

   Is DTC B117 7 indicated?

   YES - Go to step 5.

   NO - Go to step 4.

4. Crank the engine.

   Is DTC B1177 indicated?

   YES - Go to step 5.

   NO - Intermittent failure. The gauge control module and power supply voltage (IG 1) that is supplied to the gauge control module are OK at this time.

5. Check the battery (see BATTERY TEST ) and the charging system (see CHARGING SYSTEM INDICATOR CIRCUIT TROUBLESHOOTING ).

   Is the battery condition normal and the charging system OK?

   YES - Go to step 6.

   NO - Abnormal battery condition which needs a recharge or replacement, or a charging system repair.

6. With gauge control module connector B (18P) still connected, measure the voltage between the No. 10 terminal and body ground.

   Fig. 34: Measuring Voltage Between No. 10 Terminal And Body Ground
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

   Is there 7.5 V or more?

   YES - Go to step 7.

   NO - Repair an open or high resistance in the YEL wire between the gauge control module and under-dash fuse/relay box.

7. Measure the voltage between the No. 10 and No. 9 terminals.

   Fig. 35: Measuring Voltage Between No. 10 And No. 9 Terminals
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

   Is there 7.5 V or more?

   YES - Faulty gauge control module; replace the gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ).

   NO - Repair an open or high resistance in the BLK wire between the gauge control module and ground.

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