Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Ground To Components Index (2016 2017)
| Ground | Component or circuit grounded |
|---|---|
| G1 | Battery, Battery sensor |
| G2 | Engine |
| G3 | Transmission housing |
| G101 | A/T clutch pressure control solenoid valve A, A/T clutch pressure control solenoid valve B, A/T clutch pressure control solenoid valve C, A/T clutch pressure control solenoid valve D, CKP sensor, CMP sensor, EGR valve, Ignition coils, Line pressure solenoid valve A, PCM (GND1 PG), PCM (GND2 LG), PCM (GND3 PG), PCM (PGM), Rocker arm oil control solenoid A (BANK 1), Rocker arm oil control solenoid A (BANK 2), Rocker arm oil control solenoid B (BANK 1), Rocker arm oil pressure switch A (BANK 1), Rocker arm oil pressure switch A (BANK 2), Shift solenoid valve A, Shift solenoid valve B, Shift solenoid valve C, Transmission range switch, Shielding between the injector control module and the injectors, Shielding between the PCM and the high pressure fuel pump, Shielding between the PCM and the knock sensor 1 (BANK 1), Shielding between the PCM and the knock sensor 2 (BANK 2) |
| G201 | Headlight washer motor *5, Right front side marker light, Right front turn signal/parking light, Right LED control unit (high beam), Right LED control unit (low beam), Washer fluid level switch, Windshield washer motor |
| G202 | VSA modulator-control unit (2 wires) |
| G301 | Air quality sensor, Blower motor relay, Electrical load detector (ELD), Left front side marker light, Left front turn signal/parking light, Left LED control unit (high beam), Left LED control unit (low beam), Millimeter wave radar *18, Relay control module, Security hood switch, Shielding between the main under-hood fuse box and the injector relay |
| G302 | Radiator fan control (RFC) unit (2 wires) |
| G401 | Brake fluid level switch, Engine mount control unit, Headlight leveling control unit, Relay control module, Windshield wiper control unit/motor |
| G402 | Power transistor |
*1: USA and Canada models*2: Mexico models*3: With parking and back-up sensor system*4: With automatic wiper*5: With headlight washer*6: With front passenger's seat remainder*7: With rear seat heater*8: With moonroof*9: With power rear window sunshade and rear switch*10: Without ventilated seat*11: With ventilated seat*12: With heated steering wheel*13: With AcuraLink*14: With rear keyless access function*15: With power rear window sunshade*16: With E-pretensioner*17: Without ACC*18: With ACC
| Ground | Component or circuit grounded |
|---|---|
| G501 | CAN gateway (2 wires), Dashlights brightness control switch, Gauge control module (2 wires), MICU, Paddle shifter- (downshift switch), Paddle shifter+ (upshift switch), Parking and back-up sensor control unit *3 (2 wires), Park-pin switch, Power tilt/telescopic steering control unit, Steering angle sensor, Steering commander switch assembly, Steering wheel, TPMS control unit *2 |
| G502 | Automatic dimming inside mirror, Automatic lighting/rain sensor *4, CMBS off switch, Driver's door lock knob switch/key cylinder switch, Driver's door outer handle light, Driver's door outer handle touch sensor/lock switch, Driver's power window motor, Driver's vanity mirror light, Driving position memory switch, Electric steering lock *2, Engine start/stop switch *2, FCW/LDW camera unit *17, HomeLink unit, Keyless access control unit *2 (2 wires), Keyless access/TPMS control unit *1 (2 wires), Left BSI alert indicator, Left power mirror (defogger), Left power mirror (turn signal), MICU (2 wires), Multipurpose camera unit *18, Multi visor switch, Moonroof motor-control unit *8, Passenger's vanity mirror light, Power mirror control unit, Power mirror switch (2 wires), Power tilt/telescopic steering control unit (2 wires), Power window master switch (2 wires), Rear individual map light, Roof console module (2 wires), Trunk lid opener/fuel fill door opener switch (2 wires), VSA off switch |
| G503 | A/T gear position indicator, Console accessory power socket, Console accessory power socket relay, Console box light, Data link connector (DLC) (2 wires), Electric parking brake/brake hold switch (2 wires), Front accessory power socket, Front accessory power socket relay, Rear power rear window sunshade switch *9, Sport mode switch |
| G504 | SRS unit (2 wires) |
*1: USA and Canada models*2: Mexico models*3: With parking and back-up sensor system*4: With automatic wiper*5: With headlight washer*6: With front passenger's seat remainder*7: With rear seat heater*8: With moonroof*9: With power rear window sunshade and rear switch*10: Without ventilated seat*11: With ventilated seat*12: With heated steering wheel*13: With AcuraLink*14: With rear keyless access function*15: With power rear window sunshade*16: With E-pretensioner*17: Without ACC*18: With ACC
| Ground | Component or circuit grounded |
|---|---|
| G505 | Front passenger's door lock knob switch, Front passenger's door outer handle light, Front passenger's door outer handle touch sensor/lock switch, Front passenger's power window switch, Glove box diode, Front seat heater relay *10, Glove box light, Glove box opener solenoid, Glove box opener switch, Rear seat heater relay *7, Right BSI alert indicator, Right power mirror (defogger), Right power mirror (turn signal), Heated steering wheel relay *12, Ventilated seat relay *11 |
| G601 | ANC/active sound control unit, Audio-navigation unit, Center display unit, Climate control unit, Interface dial, Telematics control unit *13 |
| G602 | Audio-navigation unit |
| G701 | Left rear door lock knob switch, Left rear door outer handle light *14, Left rear door outer handle touch sensor/lock switch *14, Left rear power window switch |
| G702 | Fuel pump control module |
| G703 | Condenser |
| G704 | Condenser |
| G705 | Electric parking brake control unit (2 wires), Fuel fill door opener solenoid, Fuel fill door opener solenoid relay, High mount brake light, Left back-up light, Left inner taillight, Left license plate light, Left rear precision all wheel steer actuator, Left side BSI radar unit, Precision all wheel steer control unit (2 wires), Right back-up light, Right inner taillight, Right license plate light, Right rear precision all wheel steer actuator, Trunk lid opener solenoid relay, Trunk lid outer handle switch |
| G706 | Keyless buzzer, Left brake light/taillight/rear side marker light, Left rear turn signal light, Power rear window sunshade control unit *15, Power rear window sunshade relay *15, Right brake light/taillight/rear side marker light, Right rear turn signal light, Trunk lid latch switch, Trunk lid opener solenoid |
| G751 | Right rear door lock knob switch, Right rear door outer handle light *14, Right rear door outer handle touch sensor/lock switch *14, Right rear power window switch |
*1: USA and Canada models*2: Mexico models*3: With parking and back-up sensor system*4: With automatic wiper*5: With headlight washer*6: With front passenger's seat remainder*7: With rear seat heater*8: With moonroof*9: With power rear window sunshade and rear switch*10: Without ventilated seat*11: With ventilated seat*12: With heated steering wheel*13: With AcuraLink*14: With rear keyless access function*15: With power rear window sunshade*16: With E-pretensioner*17: Without ACC*18: With ACC
| Ground | Component or circuit grounded |
|---|---|
| G752 | Rear window defogger |
| G753 | Noise reduction condenser, Right side BSI radar unit, Stereo amplifier |
| G801 | Driver's power lumbar support pump, Driver's power lumbar support switch, Driver's power lumbar support valve unit, Driver's seat belt buckle switch (2 wires), Driver's seat cushion blower motor *11, Driver's seat cushion heater, Driver's seat-back blower motor *11, Driver's seat-back heater, Driver's seat position sensor *1, Left rear seat cushion heater *7, Left rear seat-back heater *7, Power seat control unit (3 wires), Rear seat heater control unit *7, Right rear seat cushion heater *7, Right rear seat-back heater *7, Ventilated seat control unit *11 |
| G802 | E-pretensioner unit *16 (2 wires), Front passenger's power seat adjustment switch (2 wires), Front passenger's seat belt buckle switch (2 wires), Front passenger's seat cushion blower motor *11, Front passenger's seat cushion heater, Front passenger's seat sitting switch *6, Front passenger's seat-back blower motor *11, Front passenger's seat-back heater, Front passenger's power lumbar support pump, Front passenger's power lumbar support switch, Front passenger's power lumbar support valve unit, Front passenger's weight sensor unit *1 |
*1: USA and Canada models*2: Mexico models*3: With parking and back-up sensor system*4: With automatic wiper*5: With headlight washer*6: With front passenger's seat remainder*7: With rear seat heater*8: With moonroof*9: With power rear window sunshade and rear switch*10: Without ventilated seat*11: With ventilated seat*12: With heated steering wheel*13: With AcuraLink*14: With rear keyless access function*15: With power rear window sunshade*16: With E-pretensioner*17: Without ACC*18: With ACC
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.