LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Honda >> 2021 >> Clarity Plug-In Hybrid >> Repair and Diagnosis >> Electrical >> Body Electrical >> Electrical System - Testing & Troubleshooting (Plug-In) >> Ground To Components Index >> Ground To Components Index
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Ground To Components Index

G1 to G151

Ground Component(s) or circuit(s) grounded Feature
G1 12 volt battery  
G3 Transmission mount bracket  
G101 Electric engine coolant pump, Ignition coils,

PCM (2 wires),

Rocker arm oil pressure switch


Shielding between PCM and knock sensor
Shielding between PCM and A/F sensor (sensor 1)

 
G102 EGR valve,

Electric A/C compressor,

Electric VTC motor,

PCM (2 wires),

Rocker arm oil control solenoid,

Shift solenoid valve A,

Shift solenoid valve B

 
G151 Battery charge control module,

Body ground (G205),

Charge indicator,

Charge inlet (2 wires),

Charge lid switch

Shielding between charge inlet and battery charger

 
G201 to G252

Ground Component(s) or circuit(s) grounded Feature
G201 VSA modulator-control unit (2 wires)  
G202 Electric coolant heater,

Electric heater coolant pump,

Electric A/C compressor, Horn (low),

Horn (HIGH) / security horn,

DT electric water pump,

Right front parking/daytime running light,

Right headlight,

Millimeter wave radar,

Passenger's windshield wiper control unit/motor,

A/C main relay circuit (built into the relay circuit board),

RFC unit 1,

RFC unit 2,

Right front turn signal light

 
G203 EPS control unit  
G204 Electric servo brake control unit  
G205 Body ground (G151),

Body ground (G301),

Charge lid actuator,

Charge inlet (2 wires),

Charge indicator,

Power transistor,

Console accessory power socket relay,

Trunk lid opener solenoid relay circuit (built into the under-dash fuse/relay box),

Power door lock relay circuit (LOCK) (built into the under-dash fuse/relay box),

Power door lock relay circuit (UNLOCK) (built into the under-dash fuse/relay box),

Power door lock relay circuit (DR UNLOCK) (built into the under-dash fuse/relay box),

Front accessory power socket relay,

Front seat heater relay circuit (built into the under-dash fuse/relay box),

Charge lid switch,

Driver's windshield wiper control unit/motor,

ES electric water pump,

Battery charge control module,

Washer fluid level switch*

Shielding between the brake pedal stroke sensor and the electric servo brake control unit

*: With washer fluid level switch
G206 Park pawl actuator driver unit (4 wires)

Washer motor control unit,

Hood latch switch

 
G207 Left headlight,

Left front parking/daytime running light,

ES water valve,

Left front turn signal light,

Brake fluid level switch,

PCU

 
G251 Shielding between the under-hood fuse/relay box and the DC-DC converter  
G252 IPU  
G301 to G304

Ground Component(s) or circuit(s) grounded Feature
G301 Fuel fill door opener switch,

Gauge control module (2 wires),

T8,

Audio remote-HFL switch,

Paddle shifter +,

Paddle shifter -,

Homelink unit

Roof module,

Vanity mirror lights,

Automatic dimming inside mirror,

Automatic lighting control unit-sensor,

Console accessory power socket relay,

Trunk lid opener solenoid relay circuit (built into the under-dash fuse/relay box),

Power door lock relay circuit (LOCK) (built into the under-dash fuse/relay box),

Power door lock relay circuit (UNLOCK) (built into the under-dash fuse/relay box),

Power door lock relay circuit (DR UNLOCK) (built into the under-dash fuse/relay box),

Front accessory power socket relay,

Front seat heater relay circuit (built into the under-dash fuse/relay box),

Driver's power window motor,

Driver's door lock knob switch,

Driver's door key cylinder switch,

Driver's door outer handle lock switch/touch sensor,

Dashlights brightness control switch,

Blower motor relay,

Charge lid opener switch,

ACC combination switch,

Power switch,

VSA OFF switch,

CMBS OFF switch,

Power window master switch (door multiplex control unit) (2 wires),

Left power mirror defogger,

Driving position memory switch,

Power mirror switch (2 wires),

Multipurpose camera unit,

Data link connector (DLC) (2 wires),

Body Ground (G205),

Trunk lid opener switch,

Lane watch switch

 
G302 Audio unit*2,

Audio-navigation unit*1,

Body control module (2 wires),

Climate control panel,

Climate control unit,

Active noise cancellation unit,

Acoustic vehicle alerting control unit,

Center display unit,

Glove box light,

Front passenger's power window switch,

Right power mirror defogger,

CAN gateway,

Hazard warning switch,

Front passenger's door outer handle lock switch/touch sensor,

Front passenger's door lock knob switch

*1: With navigation

*2: Without navigation

G303 Body control module,

ECON/SPORT MODE/HV switch,

Electric parking brake/automatic brake hold switch (2 wires),

Front accessory power socket,

SBW shifter control module

 
G304 SRS unit  
G401 to G501

Ground Component(s) or circuit(s) grounded Feature
G401 Left rear door lock knob switch,

Left rear power window switch

 
G402 Fuel fill door open sensor,

Fuel fill door opener solenoid,

Lower rear window defogger,

License plate light,

Left inner taillight,

Right inner taillight,

Right back-up light,

Trunk lid latch switch,

Trunk lid opener solenoid,

Trunk lid outer handle switch,

High mount brake light,

Keyless buzzer,

Left taillight,

Left rear side marker light,

Left back-up light,

Left brake light,

Left rear turn signal light

 
G403 Front seat heater control unit,

Console accessory power socket,

Right rear power window switch,

Power seat control unit (3 wires)*1,

Front passenger's power seat adjustment switch (2 wires)*2,

Driver's seat cushion heater,

Driver's seat-back heater,

Front passenger's seat cushion heater,

Front passenger's seat-back heater,

Driver's seat belt buckle switch,

Front passenger's seat belt buckle switch,

Driver's seat position sensor

*1: With driving position memory system

*2: With front passenger's power seat

G404 Upper rear window defogger,

Right rear door lock knob switch,

Telematics control unit,

Right taillight,

Right rear side marker light,

Right brake light,

Right rear turn signal light,

 
G405 Battery charger (2 wires),

EVAP leak check module,

Fuel tank unit

 
G501 Battery condition monitor module A (2 wire),

Battery condition monitor module B (2 wire)