Contents Wiring diagrams Section: Body Electrical All sections

Ground Distribution Acura MDX I

Ground to Components Index

GroundComponent or circuit grounded
G1Battery, Transmission housing
G2Engine (power steering pump bracket)
G101 and G102PCM (PG is BLK; LG 1 and LG 2 are BRN/BLK), CKP sensor A (BRN/YEL), CKP sensor B (BRN/YEL), CMP sensor (BRN/YEL), Data link connector (DLC) (BRN/YEL), EGR valve, Ignition coils, Immobilizer control unit-receiver (BRN/YEL), PGM-FI main relay. Throttle actuator control module (2 wires), Rocker arm oil pressure switch (VTEC oil pressure switch) (BRN/YEL), Transmission range switch (BLK)
Shielding between the PCM and these components have BRN/YEL wires: A/F sensors (Bank 1, Bank 2), Knock sensor, Secondary heated oxygen sensors (Bank 1, Bank 2)
G151Torque converter clutch solenoid valve. Shift control solenoid valves A, B, and C
G201A/C pressure switch, Blower motor relay, Dimmer relay, ELD unit, Fan control relay, Hood switch, Radiator fan motor, Right fog light, Right front parking light, Right front side marker light, Right front turn signal light, Right headlight (low), Rear window washer motor, Windshield washer motor. Windshield wiper intermittent relay
G301Brake fluid level switch, Left fog light, Left front parking light, Left front side marker light, Left front turn signal light, Left headlight (low), Windshield wiper motor
G302VSA modulator-control unit (2 wires)
G401Automatic lighting control unit (2 wires), Cable reel, Climate control unit, Combination light switch (2 wires), Cruise control main switch, Data link connector (DLC), Daytime running lights control unit (Canada) (2 wires), Driver's door key cylinder switch, Driver's door lock switch, Driver's door lock knob switch, Driver's multiplex control unit, Driver's vanity mirror light (1) , Driving position memory switch, Ignition key switch, Left power mirror actuator, 1st-hold switch, Moonroof open and close relays, Moonroof switch (1) , Multiplex control inspection connector, Navigation display unit (4) , Park-pin switch, PGM-FI main relay 2, Power transistor, Power window master switch, Rear stereo amplifier relay (With BOSE) (1) , Seat heater relay, Shift lock relay (4) , TPMS receiver unit (5) , Turn signal/hazard relay, Wiper/washer switch. Key interlock relay (3)
G501Accessory power sockets (front and console), Driver's multiplex control unit, Gauge assembly, Glove box light, Keyless receiver unit, Multi-information display unit (without navigation), Select/reset switch, Rear heater-A/C control panel-unit, Rear blower motor relay. Rear power transistor. Rear controller and screen (1) , Seat heater switches
G502Audio unit, Front stereo amplifier (1) , Multi-information display unit (without navigation). Stereo amplifier (BOSE) (5) , Navigation display unit (3) , OnStar control unit (3) , DVD player unit (6)
G503Interior light switch (1) , Keyless buzzer (2) , Multi-information display unit ('03 model without navigation) ( Shift lock relay (3) , Passenger's multiplex control unit, PSP switch, Windshield washer fluid level switch
G551 (5)Automatic dimming inside mirror, Electrical compass unit (without navigation), Moonroof switch (5) , Rain sensor, Rear controller and screen (2 wires) (5) , Roof console. Vanity mirror lights (5) , HandsFreeLink control unit (3)
G601Brake light failure sensor (4) , Left power mirror, Left rear door lock knob switch (4) , Left taillight (4) , Power mirror switch. Power window control unit. Power window master switch (Door multiplex control unit). Fuel pump (FP) (2 wires)
G602High mount brake light, License plate lights, Rear accessory power socket, Rear window defogger, Rear window wiper motor, Rear window wiper intermittent control unit, Tailgate latch switch, Trailer lighting connector, XM receiver (USA) (3) , Brake light failure sensor (3) , Left taillight (3) , Left rear door lock knob switch (3)
G631Driver's power seat control unit (3 wires), Driver's power seat switch (2 wires) (without DPMS), Front passenger's power seat switch, OPDS unit, Seat belt switches, Seat weight sensor unit, Seat heaters. Power lumbar support switch (with DPMS) (5)
G651Accessory power socket relay, Front passenger's door lock knob switch. Front passenger's door lock switch, Passenger's multiplex control unit, Power window relay, Right power mirror defogger
G652Automatic dimming inside mirror (1) , Electrical compass unit (without navigation (1) ), Front map lights (1) . Headphone jack assembly (6) , HomeLinkunit (1) , Keyless buzzer (1) , Passenger's vanity mirror light (1) , Rain sensor (1) , Rear accessory power socket relay, Rearview camera control unit (with navigation) (1) , Rear stereo amplifier, Right side electromagnetic clutch, Right rear door lock knob switch, Right taillight, VTM-4 control unit (3 wires), TPMS shielding ground has BRN wire.
Shielding between PCM and navigation unit, VSA modulator-control unit and VTM-4 control unit have BRN wire.
G801Memory erase signal (MES) connector, SRS unit (2 wires)
(1) '03 model (2) '04 model (3) '05-06 models (4) '03-04 models (5) '04-06 models (6) With rear entertainment system
(1)'03 model
(2)'04 model
(3)'05-06 models
(4)'03-04 models
(5)'04-06 models
(6)With rear entertainment system

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