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  • GROUND TO COMPONENTS REFERENCE CHART

2004-08 ELECTRICAL

Ground Distribution - TSX

Ground to Components Index

GROUND TO COMPONENTS REFERENCE CHART

Ground	Component or circuit grounded
G1	Battery terminal
G2	Engine mount bracket
G3	Transmission housing
G101	ECM/PCM (PG1 and PG2 are BLK; LG1 and LG2 are BRN/YEL) BLK: A/T clutch pressure control solenoid valve A, A/T clutch pressure control solenoid valve B, A/T clutch pressure control solenoid valve C, Ignition coils. Input shaft (Mainshaft) speed sensor (A/T) ('04-05 models), Rocker arm oil control solenoid (VTEC solenoid valve), Thermal joints, Transmission range switch. Throttle actuator control module BRN/YEL: CKP sensor, CMP sensor A, CMP sensor B, Output shaft (Countershaft) speed sensor ('04-05 models), Rocker arm oil pressure switch (VTEC oil pressure switch)
	Shielding between the ECM/PCM and knock sensor, throttle actuator control module and throttle body have BRN/YEL wire
G201	A/C condenser fan motor, Hood switch, Right fog light, Right headlights. Right front turn signal light, Right front parking light
G202	Brake fluid level switch, Power steering pressure (PSP) switch, Washer fluid level switch (Canada models)
G203	VSA modulator-control unit
G301	Daytime running lights relay (Canada models), Left headlights, Left front turn signal light, Left fog light, Left front parking light, Radiator fan motor. Radiator fan switch ('04-05 models). Keyless buzzer ('07-08 models)
G302	Blower motor relay, ELD unit. Relay control module, Windshield wiper motor
G501	Accessory power socket relay, Ambient light. Clutch interlock switch (M/T), Clutch pedal position switch (M/T), Combination switch control unit, Cruise control main switch, Data link connector (DLC), Driver's door lock knob switch. Driver's door key cylinder switch. Gauge control module. Ignition key switch. Key interlock solenoid, Moonroof switch, Moonroof open/close relays. Relay control module, TPMS control unit ('07-08 models), Vanity mirror lights, VSA OFF switch (G501 connects to G601 via under-dash fuse/relay box)
G502	Multiplex integrated control unit (MICU)
G503	Automatic dimming inside mirror, Audio-HVAC subdisplay unit (with navigation), Climate control unit (audio-HVAC display module), Clock (without navigation), Console box light, Data link connector (DLC), Front accessory power socket, Front passenger's door lock switch, Front passenger's door lock knob switch, Front passenger's power window switch. Gauge control module, Glove box light, Memory erase signal (MES) connector, Navigation display unit (audio-HVAC display module), Power transistor, Park pin switch, Console accessory power socket. Right power mirror defogger (Except '04 USA models), Right side turn signal light. Transmission gear selection switch. HandsFreeLink control unit ('06-08 models)
	Shielding between the ECM/PCM, Gauge control module. Navigation unit and VSA modulator-control unit have BRN wire
G504	Audio unit (audio-HVAC display module), Stereo amplifier (2 wires)
G505	SRS unit
G506	Console accessory power socket, Driver's seat heater switch. Front accessory power socket. Front passenger's seat heater switch. Seat heater relay
G601	Door multiplex control unit, Driver's power seat switch (2 wires) ('04-05 models), Driver's seat belt buckle switch, Driver's seat heater. Driving position memory switch ('06-08 models), Left power mirror defogger (Except '04 USA models), Left rear door lock knob switch. Left rear power window switch, Left side turn signal light, MICU service check connector, Multiplex integrated control unit (MICU) (2 wires), Noise condenser, Power mirror switch. Power seat control unit ('06-08 models). Turn signal/hazard relay, (G601 connects to G501 via under-dash fuse/relay box)
G602	Front passenger's power seat switch (2 wires) ('05-08 models). Front passenger's seat belt buckle switch. Front passenger's seat heater, High mount brake light, Navigation unit, OPDS unit ('04-05 models), ODS unit ('06-08 models), Right rear door lock knob switch, Right rear power window switch
G603	Fuel pump
G604	Rear window defogger
G701	Back-up lights, Brake lights, License plate lights, Rear turn signal lights. Rear side marker lights, Taillights, Trunk lid latch switch/trunk lid opener solenoid, Trunk lid opener switch