• HEADINGS
  • Component Location Index
  • Circuit Diagram
  • DTC Troubleshooting
    • DTC B1076: Windshield Wiper Signal Error
    • DTC B1077: Windshield Wiper (As) Signal Error
    • DTC B1281: Windshield Wiper Switch MIST Position Circuit Malfunction; DTC B1282: Windshield Wiper Switch INT (AUTO) Position Circuit Malfunction; DTC B1283: Windshield Wiper Switch LOW Position Circuit Malfunction; DTC B1284: Windshield Wiper Switch HIGH Position Circuit Malfunction
  • Wiper/Washer Switch Test/ Replacement
  • Wiper/Washer Switch Input Test
  • Wiper Motor Test
  • Washer Motor Test
  • Wiper Motor Replacement
  • Washer Reservoir Replacement
  • Washer Fluid Level Switch Test
  • Washer Tube Replacement
• FIGURES
  • Fig. 1: Identifying Wipers/Washers Component Location
  • Fig. 2: Wipers/Washers - Circuit Diagram (1 Of 2)
  • Fig. 3: Wipers/Washers - Circuit Diagram (2 Of 2)
  • Fig. 4: Checking Continuity Between No. 5 Terminal Of Under-Hood Fuse/Relay Box 10P Connector K
  • Fig. 5: Checking Continuity Between No. 5 Terminal Of Under-Hood Fuse/Relay Box 10P Connector K And Body Ground
  • Fig. 6: Checking Continuity Between No. 4 Terminal Of Windshield Wiper Motor 5P Connector And No. 5 Terminal
  • Fig. 7: Checking Continuity Between No. 5 Terminal Of Under-Hood Fuse/Relay Box Connector J (5P) And Body Ground
  • Fig. 8: Measuring Voltage Between No. 2 Terminal Of Windshield Wiper Motor 5P Connector And Body Ground
  • Fig. 9: Checking Continuity Between No. 3 And No. 5 Terminals Of Windshield Wiper Motor 5P Connector
  • Fig. 10: Identifying Combination Light Switch 12P Connector And Dashboard Wire Harness 8P Connector
  • Fig. 11: Identifying Wiper/Washer Switch 8P Connector Terminals
  • Fig. 12: Identifying Wiper Motor 5P Connector Terminal
  • Fig. 13: Battery Power And Ground Connection Terminal Chart
  • Fig. 14: Identifying Washer Motor 2P Connector Terminal
  • Fig. 15: Identifying Windshield Wiper Arms, Caps, Nuts, Hood Seals And Cowl Covers w/Torque Specifications
  • Fig. 16: Identifying Wiper Motor 5P Connector Terminal With Bolts w/Torque Specifications
  • Fig. 17: Separating Windshield Wiper Linkage From Wiper Motor w/Torque Specifications
  • Fig. 18: Identifying Washer Motor 2P Connector And Washer Tube
  • Fig. 19: Identifying Washer Reservoir And Bolts w/Torque Specifications
  • Fig. 20: Identifying Washer Fluid Level Switch 2P Connector Terminal
  • Fig. 21: Identifying Windshield Washer Nozzles, Clips And Tube
• TABLES
  • TEST CONDITION REFERENCE CHART
  • TEST CONDITION REFERENCE CHART

2004-08 ACCESSORIES & EQUIPMENT

Wipers/Washers - TSX

Component Location Index

Fig. 1: Identifying Wipers/Washers Component Location
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Circuit Diagram

Fig. 2: Wipers/Washers - Circuit Diagram (1 Of 2)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig. 3: Wipers/Washers - Circuit Diagram (2 Of 2)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

DTC Troubleshooting

DTC B1076: Windshield Wiper Signal Error

1. Clear the DTCs using the HDS.
2. Cycle the ignition switch to OFF, and then back ON (II).
3. Turn the wiper switch to INT, LOW, then HIGH for at least 2 seconds each.
4. Check for DTCs using the HDS.

   Is DTC B1076 indicated?

   YES -Go to step 5.

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

5. With the wiper/washer switch OFF, select WINDSHIELD WIPERS from the HDS, and enter the DATA LIST.
6. Check the ON/OFF information of the Windshield Wiper Switch (BACK-UP) in the DATA LIST.

   Is the information indicator OFF?

   YES -Go to step 7.

   NO -Go to step 11.

7. Turn the wiper switch ON (low or high).
8. Check the ON/OFF information of the Windshield Wiper Switch (BACK-UP) in the DATA LIST.

   Is the information indicator ON?

   YES -Faulty relay control module; replace the under-hood fuse/relay box.

   NO -Go to step 9.

9. Disconnect under-hood fuse/relay box 10P connector K and the wiper/washer switch 8P connector.
10. Check for continuity between the No. 5 terminal of under-hood fuse/relay box 10P connector K and the No. 5 terminal of the wiper/washer switch (combination switch control unit) 8P connector.

    Fig. 4: Checking Continuity Between No. 5 Terminal Of Under-Hood Fuse/Relay Box 10P Connector K
    Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity?

    YES -Faulty combination switch control unit; replace the wiper/washer switch.

    NO -Repair an open in the GRN/WHT wire.

11. Disconnect under-hood fuse/relay box 10P connector K and the wiper/washer switch 8P connector.
12. Check for continuity between the No. 5 terminal of under-hood fuse/relay box 10P connector K and body ground.

    Fig. 5: Checking Continuity Between No. 5 Terminal Of Under-Hood Fuse/Relay Box 10P Connector K And Body Ground
    Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity?

    YES -Repair a short in the GRN/WHT wire.

    NO -Faulty relay control module; replace the under-hood fuse/relay box.

DTC B1077: Windshield Wiper (As) Signal Error

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. Turn the wiper switch to LOW, then HIGH for at least 15 seconds in each position.
4. Check for DTCs with the HDS.

   Is DTC B1077 indicated?

   YES -Go to step 5.

   NO -Intermittent failure. The windshield wiper system is OK at this time. Check for loose or poor connections.

5. Turn the ignition switch OFF.
6. Do the wiper motor test (see WIPER MOTOR TEST ).

   Does the wiper motor operate correctly?

   YES -Go to step 7.

   NO -Replace the windshield wiper motor and recheck.

7. Turn the ignition switch ON (II).
8. Turn the wiper switch to LOW, then HIGH and check wiper operation.

   Do the wipers operate normally?

   YES -Go to step 9.

   NO -Go to step 12.

9. Disconnect under-hood fuse/relay box connector J (5P) and windshield wiper motor 5P connector.
10. Check for continuity between the No. 4 terminal of the windshield wiper motor 5P connector and No. 5 terminal of under-hood fuse/relay box connector J (5P).

    Fig. 6: Checking Continuity Between No. 4 Terminal Of Windshield Wiper Motor 5P Connector And No. 5 Terminal
    Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity?

    YES -Go to step 11.

    NO -Repair an open in the WHT wire.

11. Check for continuity between the No. 5 terminal of under-hood fuse/relay box connector J (5P) and body ground.

    Fig. 7: Checking Continuity Between No. 5 Terminal Of Under-Hood Fuse/Relay Box Connector J (5P) And Body Ground
    Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity?

    YES -Repair a short in the WHT wire.

    NO -Faulty relay control module; replace the under-hood fuse/relay box.

12. Turn the ignition switch OFF.
13. Check the No. 11 (30 A) fuse in the under-dash fuse/ relay box.

    Is the fuse OK?

    YES -Go to step 14.

    NO -Replace the blown fuse and recheck the system. If the fuse blown again, check for a short on the GRN wire between the under-dash fuse/ relay box and the windshield wiper motor.

14. Turn the ignition switch ON (II).
15. Measure the voltage between the No. 2 terminal of the windshield wiper motor 5P connector and body ground.

    Fig. 8: Measuring Voltage Between No. 2 Terminal Of Windshield Wiper Motor 5P Connector And Body Ground
    Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there battery voltage?

    YES -Go to step 16.

    NO -Repair an open in the GRN wire.

16. Check for continuity between the No. 3 and No. 5 terminals of the windshield wiper motor 5P connector and the No. 2 and No. 4 terminals of under-hood fuse/relay box connector J (5P).

    Fig. 9: Checking Continuity Between No. 3 And No. 5 Terminals Of Windshield Wiper Motor 5P Connector
    Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity?

    YES -Faulty relay control module; replace the under-hood fuse/relay box.

    NO -Repair an open in the BLU or YEL wire.

DTC B1281: Windshield Wiper Switch MIST Position Circuit Malfunction; DTC B1282: Windshield Wiper Switch INT (AUTO) Position Circuit Malfunction; DTC B1283: Windshield Wiper Switch LOW Position Circuit Malfunction; DTC B1284: Windshield Wiper Switch HIGH Position Circuit Malfunction

1. Clear the DTCs using the HDS.
2. Cycle the ignition switch to OFF, and then back ON (II).
3. Turn the windshield wiper switch to MIST and wait for 2 seconds.
4. Turn the windshield wiper switch OFF and wait for 2 seconds.
5. Turn the windshield wiper switch to INT (AUTO) and wait for 2 seconds.
6. Turn the windshield wiper switch to LOW and wait for 2 seconds.
7. Turn the windshield wiper switch to HIGH and wait for 2 seconds.
8. Check for DTCs using the HDS.

   Is DTC B1281, B1282, B1283, or B1284 indicated?

   YES -Replace the windshield wiper/washer switch.

   NO -Intermittent failure, the windshield wiper/washer switch and the combination switch control unit are OK at this time. Check pinfits and connections.

Wiper/Washer Switch Test/ Replacement

NOTE:

The wiper/washer switch is built into the combination switch control unit. For the wiper/washer test, refer to the WIPER/WASHER SWITCH INPUT TEST .

1. Remove the dashboard lower cover (see DRIVER'S DASHBOARD LOWER COVER REMOVAL/INSTALLATION ).
2. Remove the steering column covers (see STEERING COLUMN REMOVAL AND INSTALLATION ).
3. Disconnect the combination light switch 12P connector (A) and dashboard wire harness 8P connector (B) from the wiper/washer switch (C).

   Fig. 10: Identifying Combination Light Switch 12P Connector And Dashboard Wire Harness 8P Connector
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Remove the two screws, then slide out the wiper/washer switch.

Wiper/Washer Switch Input Test

1. Before troubleshooting the wiper/washer system, troubleshoot B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).
2. Remove the dashboard lower cover (see DRIVER'S DASHBOARD LOWER COVER REMOVAL/INSTALLATION ).
3. Remove the steering column covers (see STEERING COLUMN REMOVAL AND INSTALLATION ).
4. Disconnect the 8P connector (A) from the wiper/washer switch (B).

   Fig. 11: Identifying Wiper/Washer Switch 8P Connector Terminals
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Inspect the connector and socket terminals to be sure they are all making good contact.
   • If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
   • If the terminals look OK, go to step 6.
6. Reconnect the connector to the wiper/washer switch, and make these input tests at the connector.
   • If any test indicates a problem, find and correct the cause, then recheck the system.
   • If all the input tests prove OK, go to step 7.

   TEST CONDITION REFERENCE CHART
   

   Cavity	Wire	Test condition	Test: Desired result	Possible cause if desired result is not obtained
   3	BLK	Under all conditions	Measure the voltage to ground: There should be less than 0.5 V.	Poor ground (G501) An open in the wire
   8	WHT/RED(1) RED(2)	Under all conditions	Measure the voltage to ground: There should be battery voltage.	Blown No. 15 (40 A) fuse in the under-hood fuse/relay box Blown No. 7 (10 A) fuse in the under-dash fuse/relay box An open in the wire
   7	YEL	Ignition switch ON (II)	Measure the voltage to ground: There should be battery voltage.	Blown No. 21 (7.5 A) fuse in the under-dash fuse/relay box An open in the wire
   (1) '04-05 models (2) '06-08 models

7. Disconnect the 8P connector from the wiper/washer switch, and make these input tests at the connector.
   • If any test indicates a problem, find and correct the cause, then recheck the system.
   • If all the input tests prove OK, replace the wiper/washer switch (combination switch control unit).

   TEST CONDITION REFERENCE CHART
   

   Cavity	Wire	Test condition	Test: Desired result	Possible cause if desired result is not obtained
   5	GRN/WHT(1) GRN(2)	Under all conditions	Check for continuity between the No. 5 terminal and under-hood fuse/relay box K 10P connector No. 5 terminal: There should be continuity.	An open in the wire
   4	LT GRN	Under all conditions	Check for continuity between the No. 4 terminal and under-dash fuse/relay box X connector No. 27 terminal: There should be continuity.	An open in the wire
   1	WHT	Under all conditions	Check for continuity between the No. 1 terminal and under-hood fuse/relay box K 10P connector No.6 terminal: There should be continuity.	An open in the wire
   (1) '04-05 models (2) '06-08 models

Wiper Motor Test

1. Open the hood, and remove the wiper arms.

   NOTE:

   Carefully remove the wiper arms, so that they do not touch the hood.

2. Remove the hood seal and cowl cover.
3. Disconnect the 5P connector (A) from the wiper motor (B).

   Fig. 12: Identifying Wiper Motor 5P Connector Terminal
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Test the motor by connecting battery power and ground according to the table. If the motor does not run or fails to run smoothly, replace the motor.

   Fig. 13: Battery Power And Ground Connection Terminal Chart
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Connect the battery positive terminal to the No. 2 terminal, and negative terminal to the No. 3 and No. 1 terminals of the 5P connector. Then connect an analog voltmeter between the No. 4 (+) terminal and the No. 1 (-) terminal. When the park switch contacts, the pointer should swing. If not, replace the motor.

Washer Motor Test

1. Remove the right inner fender (see FRONT INNER FENDER REPLACEMENT ).
2. Disconnect the 2P connector (A) from the washer motor (B).

   Fig. 14: Identifying Washer Motor 2P Connector Terminal
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Test the motor by connecting battery power to the No. 1 terminal and ground to the No. 2 terminal of the washer motor. The motor should run.
   • If the motor does not run or fails to run smoothly, replace it.
   • If the motor runs smoothly, but little or no washer fluid is pumped, check for a disconnected or blocked washer hose, or a clogged washer motor outlet.

Wiper Motor Replacement

1. Open the hood. Remove the caps, nuts (A), and the windshield wiper arms (B).

   Fig. 15: Identifying Windshield Wiper Arms, Caps, Nuts, Hood Seals And Cowl Covers w/Torque Specifications
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Remove the hood seals (C) and cowl covers (D).
3. Disconnect the 5P connector (A) from the wiper motor.

   Fig. 16: Identifying Wiper Motor 5P Connector Terminal With Bolts w/Torque Specifications
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Remove the four bolts (B) and wiper linkage assembly (C).
5. Scribe a line (A) across the link and windshield wiper linkage to show the original adjustment. Separate the windshield wiper linkage (B) from the wiper motor (C).

   Fig. 17: Separating Windshield Wiper Linkage From Wiper Motor w/Torque Specifications
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

6. Install in the reverse order to removal, and note these items:
   • Apply multipurpose grease to the moving parts.
   • Before reinstalling the wiper arms, turn the wiper switch ON, then OFF to return the wiper shafts to the park position.
   • If necessary, replace any damaged clips.
   • Check the wiper motor operation.

Washer Reservoir Replacement

1. Remove the right inner fender (see FRONT INNER FENDER REPLACEMENT ).
2. Disconnect the washer tube (A) and washer motor 2P connector (B).

   Fig. 18: Identifying Washer Motor 2P Connector And Washer Tube
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Remove the three bolts (A), then remove the washer reservoir (B).

   Washer reservoir capacity

   USA models: 2.5 L (2.6 USqt)

   Canada models: 4.5 L (4.8 USqt)

   Fig. 19: Identifying Washer Reservoir And Bolts w/Torque Specifications
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Install the reservoir in the reverse order of removal.

Washer Fluid Level Switch Test

Canada models

1. Remove the right inner fender (see FRONT INNER FENDER REPLACEMENT ).
2. Disconnect the 2P connector (A) from the washer fluid level switch (B).

   Fig. 20: Identifying Washer Fluid Level Switch 2P Connector Terminal
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Remove the washer fluid level switch from the reservoir.

   NOTE:

   Fluid may flow out of the opening.

4. Check for continuity between the No. 1 and No. 2 terminals in each float position (C).
   • There should be continuity when the float is down.
   • There should be no continuity when the float is up.

Washer Tube Replacement

1. Remove the right inner fender (see FRONT INNER FENDER REPLACEMENT ).
2. Remove the windshield washer nozzles and clips, then remove the tube.

   Fig. 21: Identifying Windshield Washer Nozzles, Clips And Tube
   Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Install in the reverse order of removal. Take care not to pinch the washer tube. Check the windshield washer operation.