LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Honda >> 2021 >> Pilot Elite >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Electrical Component Locations >> Electrical System - Testing & Troubleshooting >> Connector View >> Under-Dash Fuse/Relay Box Connector For Inputs And Outputs
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Under-Dash Fuse/Relay Box Connector For Inputs And Outputs

Connector Index
UNDER-DASH FUSE/RELAY BOX CONNECTOR D (44P)
UNDER-DASH FUSE/RELAY BOX CONNECTOR E (36P)
UNDER-DASH FUSE/RELAY BOX CONNECTOR F (18P)
UNDER-DASH FUSE/RELAY BOX CONNECTOR G (4P)
UNDER-DASH FUSE/RELAY BOX CONNECTOR H (13P)
UNDER-DASH FUSE/RELAY BOX CONNECTOR M (12P)
UNDER-DASH FUSE/RELAY BOX CONNECTOR N (20P)
UNDER-DASH FUSE/RELAY BOX CONNECTOR P (24P)
UNDER-DASH FUSE/RELAY BOX CONNECTOR Q (10P)
UNDER-DASH FUSE/RELAY BOX CONNECTOR R (16P)
UNDER-DASH FUSE/RELAY BOX CONNECTOR S (18P)
UNDER-DASH FUSE/RELAY BOX CONNECTOR T (10P)

Under-Dash Fuse/Relay Box Connector D (44P) (female terminals) 

GHH306378Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 Not used - - - - - -
2 Not used - - - - - -
3 Not used - - - - - -
4 Not used - - - - - -
5 Not used - - - - - -
6 Not used - - - - - -
7 +B DR P/SEAT(REC) Power output terminal for recline motor and rear up-down motor About battery voltage at all times
8 BACK LT Power output terminal for back-up lights With vehicle in ON mode and R position/mode:
about battery voltage 
If none of above conditions are met:
less than 0.2 V 
9 +B DR P/SEAT(SLI) Power output terminal for slide motor and front up-down motor About battery voltage  at all times
10 +B RR L P/W Drives left rear power window motor With vehicle in ON mode: about battery voltage 
11 L SIDE DOOR LOCK Drives left rear door lock actuator When left rear door lock actuator in locking operation:
about battery voltage 
12 L SIDE DOOR UNLOCK Drives left rear door lock actuator When left rear door lock actuator in unlocking operation:
about battery voltage 
13*1 +B H/SEAT Power output terminal for front seat heater about battery voltage  at all times
14 GND Ground for MICU Less than 0.2 V  at all times
15 Not used - - - - - -
16 Not used - - - - - -
17*3 T/GATE ACT RLY OUT Drives tailgate release actuator When tailgate release actuator in open operation:
about battery voltage 
18 +B RR R P/W Drives right rear power window motor With vehicle in ON mode: about battery voltage 
19 +B DR POWER LUMBAR Drives driver's power lumbar support motor about battery voltage  at all times
20*5 SMALL LT Power source for parking lights With parking lights are OFF: less than 0.2 V 
With parking lights are ON: about battery voltage 
21*4 IG1 SWS IG1 power source With vehicle in ON or START mode:
about battery voltage 
22 RR WIPER CL- Detects RR WIPER CL- signal With vehicle in ON mode and rear window wiper ON:
about battery voltage 
With vehicle in ON mode and rear window wiper OFF:
less than 0.2 V 
23 Not used - - - - - -
24 Not used - - - - - -
25 RR DR SILCON UNLOCK Detects RR DR SILCON UNLOCK signal With left rear door lock knob switch UNLOCK:
less than 0.2 V 
With left rear door lock knob switch LOCK:
about battery voltage 
26 RR AS SILCON UNLOCK Detects RR AS SILCON UNLOCK signal With right rear door lock knob switch UNLOCK:
less than 0.2 V 
With right rear door lock knob switch LOCK:
about battery voltage 
27 Not used - - - - - -
28 RR DOOR SW Detects RR DOOR SW signal With right rear door switch ON:
less than 0.2 V 
With right rear door switch OFF and MICU is wakeup mode:
about battery voltage 
With right rear door switch OFF and MICU is sleep mode:
pulse 
29 RR L SEAT CL- Output RR L SEAT CL- signal With left one-touch access switch ON:
less than 0.2 V 
With left one-touch access switch OFF:
about battery voltage 
30 PTG O/H SW Detects PTG O/H SW signal With tailgate outer handle switch ON:
less than 0.2 V 
With tailgate outer handle switch OFF:
about battery voltage 
31 IG1 METER IG1 power source With vehicle in ON or START mode:
about battery voltage 
32 L TURN SIG Power output terminal for left rear turn signal light With left turn signal light ON:
about battery voltage 
33 R TURN SIG Power output terminal for right rear turn signal light With right turn signal light ON:
about battery voltage 
34 RL DOOR SW Detects RL DOOR SW signal With left rear door switch ON:
less than 0.2 V 
With left rear door switch OFF and MICU is wakeup mode:
about battery voltage 
With left rear door switch OFF and MICU is sleep mode:
pulse 
35 FL DOOR SW Detects FL DOOR SW signal With driver's door switch ON:
less than 0.2 V 
With driver's door switch OFF and MICU is wakeup mode:
about battery voltage 
With driver's door switch OFF and MICU is sleep mode:
pulse 
36 IG1 RR WIPER IG1 power source With vehicle in ON or START mode:
about battery voltage 
37 FR DOOR SW Detects FR DOOR SW signal With front passenger's door switch ON:
less than 0.2 V 
With front passenger's door switch OFF and MICU is wakeup mode:
about battery voltage 
With front passenger's door switch OFF and MICU is sleep mode:
pulse 
38 Not used - - - - - -
39*2 T/GATE SW Detects T/GATE SW signal With full latch switch ON:
less than 0.2 V 
With full latch switch OFF and MICU is wakeup mode:
about battery voltage 
With full latch switch OFF and MICU is sleep mode:
pulse 
39*3 T/GATE SW Detects T/GATE SW signal With tailgate latch switch ON:
less than 0.2 V 
With tailgate latch switch OFF and MICU is wakeup mode:
about battery voltage 
With tailgate latch switch OFF and MICU is sleep mode:
pulse 
40 R RR SEAT CL- Output R RR SEAT CL- signal With right one-touch access switch ON:
less than 0.2 V 
With right one-touch access switch OFF:
about battery voltage 
41 CARGO LT- Detects CARGO LT- signal With cargo area light ON:
less than 0.2 V 
42 GND Ground for MICU Less than 0.2 V  at all times
43 SEAT SW ILL+ Output SEAT SW ILL+ signal With parking lights are ON:
less than 0.2 V 
44 Not used - - - - - -

*1: '16-18  With front seat heater

*2: With power tailgate

*3: Without power tailgate

*4: With front passenger's weight sensor unit

*5: '19-21 

Under-Dash Fuse/Relay Box Connector E (36P) (female terminals) 

GHH306379Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 FR WASHER RLY CL- Output FR WASHER RLY CL- signal With front washer switch ON: less than 0.2 V 
With front washer switch OFF: about battery voltage 
2 RR WASHER RLY CL- Output RR WASHER RLY CL- signal With rear washer switch ON: less than 0.2 V 
With rear washer switch OFF: about battery voltage 
3 Not used - - - - - -
4 +B HAZARD Power source for IPD About battery voltage at all times
5 Not used - - - - - -
6 Not used - - - - - -
7 STOP SW Detects STOP SW signal With brake pedal pressed: about battery voltage 
With brake pedal released:less than 0.2 V 
8 L H/L HI Power output terminal for left headlight (Hi) With headlight (Hi) is ON:about battery voltage 
With headlight (Hi) is OFF:less than 0.2 V 
9 Not used - - - - - -
10*1 IG1 START CUT IG1 power source With vehicle in ON or START mode:about battery voltage 
10*2 IG1 VB SOL IG1 power source With vehicle in ON or START mode: about battery voltage 
11 +B ACC/IG2 MAIN IG2 power source With vehicle in ON mode: about battery voltage 
12 IG1 FUEL PUMP IG1 power source With vehicle in ON or START mode:about battery voltage 
13 Not used - - - - - -
14 SMALL LT RLY OUT Power output terminal for exterior lights With parking lights are ON: about battery voltage 
With parking lights are OFF:less than 0.2 V 
15 WIPER HI/LO RLY CL- Power output terminal for windshield wiper high/low relay With vehicle in ON mode and windshield wiper LO speed:
less than 0.2 V 
With vehicle in ON mode and windshield wiper HI speed:
about battery voltage 
16 WIPER INT RLY CL- Power output terminal for windshield wiper intermittent relay With vehicle in ON mode and windshield wiper operation:
less than 0.2 V 
With vehicle in ON mode and windshield wiper stopping:
about battery voltage 
17 ATP-R Detects ATP-R signal With vehicle in ON mode and R position/mode: less than 0.2 V 
If none of above conditions are met: about battery voltage 
18 Not used - - - - - -
19 Not used - - - - - -
20*3 DRL SIG Detects DRL SIG signal - - -
21 FR FOG LT RLY CL- Output FR FOG LT RLY CL- signal With front fog light switch ON: less than 0.2 V 
With front fog light switch OFF: about battery voltage 
22 Not used - - - - - -
23 Not used - - - - - -
24 H/L LO RLY CL- Output H/L LO RLY CL- signal With headlight (Lo) is ON:less than 0.2 V 
With headlight (Lo) is OFF:about battery voltage 
25 SMALL LT RLY CL- Output SMALL LT RLY CL- signal With parking lights are ON:less than 0.2 V 
With parking lights are OFF:about battery voltage 
26 IG1 VSA IG1 power source With vehicle in ON or START mode:about battery voltage 
27 ATP-P Detects ATP-P signal With out of P position and MICU is wakeup mode:
about battery voltage 
With P position:
less than 0.2 V 
With out of P position and MICU is sleep mode:
pulse 
28 FR WIPER AS Detects FR WIPER AS signal With windshield wiper at out of auto-stop position and MICU is wakeup mode:
pulse 
If none of above conditions are met:less than 0.2 V 
29 Not used - - - - - -
30 Not used - - - - - -
31 HORN RLY CL- Power output terminal for horn relay With horn ON:less than 0.2 V 
With horn OFF: about battery voltage 
32 IG1 MICU(DC/DC) IG1 power source With vehicle in ON or START mode: about battery voltage 
33 Not used - - - - - -
34 IG1 WIPER IG1 power source With vehicle in ON or START mode: about battery voltage 
35*3 IG2 DRL IG2 power source With vehicle in ON mode: about battery voltage 
36 Not used - - - - - -

*1: With auto idle stop system

*2: Without auto idle stop system

*3: With LED daytime running light

Under-Dash Fuse/Relay Box Connector F (18P) (female terminals) 

GHH306380Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 +B IG MAIN2 Power source for IG1A relay About battery voltage at all times
2 +B IG MAIN Power source for IG1B relay About battery voltage at all times
3 +B F/BOX MAIN Power source for interior lights About battery voltage at all times
4 +B F/BOX MAIN2 Power source for under-dash fuse/relay box About battery voltage at all times
5 Not used - - - - - -
6 +B H/L HI MAIN Power source for exterior lights About battery voltage at all times
7 GND Ground for under-dash fuse/relay box Less than 0.2 V at all times
8 Not used - - - - - -
9 Not used - - - - - -
10 IG1 OPTION IG1 power source With vehicle in ON or START mode: about battery voltage 
11 IG1 ACG IG1 power source With vehicle in ON or START mode: about battery voltage 
12 R H/L HI Power output terminal for right headlight (Hi) With headlight (Hi) is ON: about battery voltage 
With headlight (Hi) is OFF: less than 0.2 V 
13 Not used - - - - - -
14 Not used - - - - - -
15 RR DEF RLY CL- Detects RR DEF RLY CL- signal With vehicle in ON mode and rear window defogger OFF:
about battery voltage 
With vehicle in ON mode and rear window defogger ON:
less than 0.2 V 
16 HOOD SW Detects HOOD SW signal With security hood switch ON :
less than 0.2 V 
With security hood switch OFF and MICU is wakeup mode:
about battery voltage 
With security hood switch OFF and MICU is sleep mode:
pulse 
17 S-NET Communication line - - -
18 Not used - - - - - -

Under-Dash Fuse/Relay Box Connector G (4P) (female terminals) 

GHH306381Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 IG1 SWS IG1 power source With vehicle in ON or START mode: about battery voltage 
2 Not used - - - - - -
3 Not used - - - - - -
4 IG1 SRS IG1 power source With vehicle in ON or START mode: about battery voltage 

Under-Dash Fuse/Relay Box Connector H (13P) (female terminals) 

GHH306382Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 Not used - - - - - -
2 Not used - - - - - -
3 Not used - - - - - -
4 +B INTERIOR LT Power source for interior lights About battery voltage at all times
5 Not used - - - - - -
6 Not used - - - - - -
7 ACC RLY CL ACC power source With vehicle in ACCESSORY or ON mode: about battery voltage 
8 IG1 RLY CL IG1 power source With vehicle in ON or START mode: about battery voltage 
9 Not used - - - - - -
10 HORN SW Detects HORN SW signal With horn switch ON:less than 0.2 V 
With horn switch OFF: about battery voltage 
11 INTR LT- Outputs INTR LT- signal With interior light switch in DOOR position and interior lights ON:
less than 0.2 V 
12 IG2 RLY CL IG2 power source With vehicle in ON mode: about battery voltage 
13 SMALL LT Power source for parking lights With parking lights are OFF: less than 0.2 V 
With parking lights are ON: about battery voltage 

Under-Dash Fuse/Relay Box Connector M (12P) (female terminals) 

GHH306383Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 B-CAN_L Communication line - - -
2 IG1A FBK Outputs IG1A FBK signal With vehicle in ON or START mode: about battery voltage 
3 IG1B FBK Outputs IG1B FBK signal With vehicle in ON or START mode: about battery voltage 
4 Not used - - - - - -
5 R TURN SIG Power output terminal for right side turn signal light* and right front turn signal light With right turn signal light ON: about battery voltage 
6 SMART RLY GND Ground for IG1A/IG1B relays and IG2/ACC relays circuits Less than 0.2 V at all times
7 B-CAN_H Communication line - - -
8 S-NET Communication line - - -
9 +B BACKUP Power source for MICU and other units About battery voltage at all times
10 IG2-MAIN IG2 power source With vehicle in ON mode: about battery voltage 
11 L TURN SIG Power output terminal for left side turn signal light* and left front turn signal light With left turn signal light ON: about battery voltage 
12 IG1 METER IG1 power source With vehicle in ON or START mode: about battery voltage 

*: With side turn signal light

Under-Dash Fuse/Relay Box Connector N (20P) (female terminals) 

GHH306384Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 COMBI SW GND(LT) Ground for combination light switch Less than 0.2 V at all times
2 FR WIPER HI SW Detects FR WIPER HI SW signal With windshield wiper switch Hi or Lo: less than 0.2 V 
With windshield wiper switch OFF and MICU is wakeup mode: about battery voltage 
With MICU is sleep mode: less than 0.2 V
3 FR WIPER INT SW Detects FR WIPER INT SW signal With windshield wiper switch INT (AUTO*) or Lo:less than 0.2 V 
With windshield wiper switch OFF and MICU is wakeup mode: about battery voltage 
With MICU is sleep mode:less than 0.2 V 
4 RR WASHER SW Detects RR WASHER SW signal With rear washer switch ON:less than 0.2 V 
With rear washer switch OFF and MICU is wakeup mode:about battery voltage 
With MICU is sleep mode: less than 0.2 V 
5 RR WIPER LO SW Detects RR WIPER LO SW signal With rear wiper switch ON: less than 0.2 V 
With rear wiper switch OFF and MICU is wakeup mode:about battery voltage 
With MICU is sleep mode:less than 0.2 V 
6 RR WIPER INT VOL Detects RR WIPER INT VOL signal With vehicle in ON mode and rear wiper switch OFF:about battery voltage 
With vehicle in ON mode and rear wiper switch INT: less than 0.2 V 
7 Not used - - - - - -
8 Not used - - - - - -
9 FR WIPER INT VOL Detects FR WIPER INT VOL signal With vehicle in ON mode: about 0-5 V (depending on intermittent dwell timer controller)
10 FR FOG SW Detects FR FOG SW signal With fog light switch ON:less than 0.2 V 
With fog light switch OFF and MICU is wakeup mode: about battery voltage 
With fog light switch OFF and MICU is sleep mode: pulse 
11 COMBI SW GND(WIP) Ground for wiper/washer switch Less than 0.2 V  at all times
12 FR WASHER SW Detects FR WASHER SW signal With windshield washer switch ON: less than 0.2 V 
With windshield washer switch OFF and MICU is wakeup mode: about battery voltage 
With MICU is sleep mode:less than 0.2 V 
13 FR WIPER MIST SW Detects FR WIPER MIST SW signal With windshield wiper switch MIST: less than 0.2 V 
With windshield wiper switch OFF and MICU is wakeup mode: about battery voltage 
With MICU is sleep mode: less than 0.2 V 
14 R TURN SW Detects R TURN SW signal With right turn signal switch ON:less than 0.2 V 
With right turn signal switch OFF and MICU is wakeup mode:about battery voltage 
With MICU is sleep mode: less than 0.2 V 
15 L TURN SW Detects L TURN SW signal With left turn signal switch ON: less than 0.2 V 
With left turn signal switch OFF and MICU is wakeup mode: about battery voltage 
With MICU is sleep mode:less than 0.2 V 
16 H/L HI SW Detects H/L HI SW signal With combination light switch Hi: less than 0.2 V 
With combination light switch OFF and MICU is wakeup mode: about battery voltage 
With combination light switch OFF and MICU is sleep mode: pulse 
17 PASSING SW Detects PASSING SW signal With combination light switch PASSING: less than 0.2 V 
With combination light switch OFF and MICU is wakeup mode: about battery voltage 
With combination light switch OFF and MICU is sleep mode: pulse 
18 H/L OFF SW Detects H/L OFF SW signal With combination light switch OFF:less than 0.2 V 
With combination light switch ON and MICU is wakeup mode:about battery voltage 
With combination light switch ON and MICU is sleep mode:pulse 
19 H/L ON SW Detects H/L ON SW signal With combination light switch ON:less than 0.2 V 
With combination light switch OFF and MICU is wakeup mode:about battery voltage 
With combination light switch OFF and MICU is sleep mode: pulse 
20 SMALL LT SW Detects SMALL LT SW signal With combination light switch PARKING: less than 0.2 V 
With combination light switch OFF and MICU is wakeup mode:about battery voltage 
With combination light switch OFF and MICU is sleep mode: pulse 

*: With automatic wiper

Under-Dash Fuse/Relay Box Connector P (24P) (female terminals) 

GHH306385Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 GND Ground for MICU Less than 0.2 V at all times
2 Not used - - - - - -
3 IG1 REM IG1 power source With engine remote start operation: about battery voltage 
4 Not used - - - - - -
5 Not used - - - - - -
6 Not used - - - - - -
7 Not used - - - - - -
8 Not used - - - - - -
9 Not used - - - - - -
10 Not used - - - - - -
11 Not used - - - - - -
12*2 R LED TELLTALE Detects R LED TELLTALE signal - - -
13 Not used - - - - - -
14 Not used - - - - - -
15 Not used - - - - - -
16 FUEL LID CL- Outputs FUEL LID RLY CL- signal With fuel fill door opener switch ON:less than 0.2 V 
With fuel fill door opener switch OFF: about battery voltage 
17 INTR LT CUT CL- Outputs INTR LT CUT RLY CL- signal With interior lights are ON:less than 0.2 V 
With interior lights are OFF: about battery voltage 
18 Not used - - - - - -
19 HAZARD SW Detects HAZARD SW signal With hazard warning switch ON: less than 0.2 V 
With hazard warning switch OFF:about battery voltage 
20 L SEAT SW Detects L SEAT SW signal With left one-touch access switch ON:less than 0.2 V 
With left one-touch access switch OFF and MICU is wakeup mode :about battery voltage 
With MICU is sleep mode:pulse 
21 R SEAT SW Detects R SEAT SW signal With right one-touch access switch ON:less than 0.2 V 
With right one-touch access switch OFF and MICU is wakeup mode : about battery voltage 
With MICU is sleep mode:pulse 
22 KEY SW Detects KEY SW signal With vehicle in OFF (LOCK) mode and MICU in wakeup mode:about battery voltage 
With vehicle in OFF (LOCK) mode and MICU in sleep mode:pulse 
23*1 SCTY(1) Detects SCTY(1) signal With audio unit installed:less than 0.2 V 
With audio unit not installed and MICU is wakeup mode:about battery voltage 
With MICU is sleep mode:pulse 
24*2 L LED TELLTALE Detects L LED TELLTALE signal - - -

*1: '16-18 

*2: With LED headlight

Under-Dash Fuse/Relay Box Connector Q (10P) (female terminals) 

GHH306386Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 Not used - - - - - -
2 Not used - - - - - -
3 FR DEF RLY CL- Outputs FR DEF RLY CL- signal With heated windshield wiper area ON: less than 0.2 V 
With heated windshield wiper area OFF: about battery voltage 
4 Not used - - - - - -
5 FR DEF SW Detects FR DEF SW signal With heated windshield wiper area switch ON:less than 0.2 V 
With heated windshield wiper area switch OFF and MICU is wakeup mode: about battery voltage 
With MICU is sleep mode: less than 0.2 V 
6 Not used - - - - - -
7 Not used - - - - - -
8 Not used - - - - - -
9 EXT BUZ Outputs EXT BUZ - - -
10 Not used - - - - - -

Under-Dash Fuse/Relay Box Connector R (16P) (female terminals) 

GHH306387Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 Not used - - - - - -
2 +B FR ACC SOCKET Power source for front accessory power socket About battery voltage at all times
3 Not used - - - - - -
4 Not used - - - - - -
5 +B H/SEAT Power source for ventilated seat control unit*1 or front seat heater control unit*2 With vehicle in ON mode:about battery voltage 
6 Not used - - - - - -
7 Not used - - - - - -
8 Not used - - - - - -
9 K-LINE Communication line - - -
10 B-CAN_H Communication line - - -
11 B-CAN_L Communication line - - -
12 ACC ACC power source With vehicle in ACCESSORY or ON mode: about battery voltage 
13 IG1 VSA IG1 power source With vehicle in ON or START mode: about battery voltage 
14 Not used - - - - - -
15 ILLUMI+ Power source for interior lights With interior lights are OFF:less than 0.2 V 
With interior lights are ON:about battery voltage 
16 Not used - - - - - -

*1: With ventilated seat

*2: With front seat heater control unit

Under-Dash Fuse/Relay Box Connector S (18P) (female terminals) 

GHH306388Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 Not used - - - - - -
2 R SIDE DOOR LOCK Drives front passenger's door and right rear door lock actuator When front passenger's door and right rear door lock actuator in locking operation: about battery voltage 
3 +B AS P/W Power source for front passenger's power window switch About battery voltage at all times
4 Not used - - - - - -
5 R SIDE DOOR UNLOCK Drives front passenger's door and right rear door lock actuator When front passenger's door and right rear door lock actuator in unlocking operation: about battery voltage 
6 Not used - - - - - -
7 Not used - - - - - -
8 Not used - - - - - -
9 +B SMART Power source for keyless access/TPMS control unit About battery voltage at all times
10 Not used - - - - - -
11 Not used - - - - - -
12 Not used - - - - - -
13 Not used - - - - - -
14 Not used - - - - - -
15 Not used - - - - - -
16 Not used - - - - - -
17 DR CRTSY LT Outputs DR CRTSY LT signal With driver's door courtesy light ON:less than 0.2 V 
18 AS CRTSY LT Outputs AS CRTSY LT signal With front passenger's door courtesy light ON:less than 0.2 V 

Under-Dash Fuse/Relay Box Connector T (10P) (female terminals) 

GHH306389Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 Not used - - - - - -
2 IG2 A/C IG2 power source With vehicle in ON mode:about battery voltage 
3 BACK LT Power source for back-up lights With vehicle in ON mode and R position/mode: about battery voltage 
If none of above conditions are met:less than 0.2 V 
4 Not used - - - - - -
5 DR DOOR UNLOCK Drives driver's door lock actuator When driver's door lock actuator in unlocking operation: about battery voltage 
6 DR DOOR LOCK Drives driver's door lock actuator When driver's door lock actuator in locking operation: about battery voltage 
7 IG1 OPTION IG1 power source With vehicle in ON or START mode: about battery voltage 
8 Not used - - - - - -
9 +B SUNROOF Power source for moonroof motor-control unit About battery voltage at all times
10 +B DR P/W Power source for Power window master switch About battery voltage at all times