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.
Relay Control Module Connector for Inputs and Outputs
2020 Honda CR-V Hybrid EXSECTION Relay Control Module Connector for Inputs and Outputs
| Connector Index |
|---|
| Relay Control Module Connector A (6P) |
| Relay Control Module Connector B (10P) |
| Relay Control Module Connector C (18P) |
Relay Control Module Connector A (6P) (female terminals)
| Terminal number | Terminal name | Description | Signal |
|---|---|---|---|
| 1 | +B_BACK_UP | +B power source | About battery voltage at all times |
| 2 | B-CAN_H | Communication line | --- |
| 3 | B-CAN_L | Communication line | --- |
| 4 | IG1_METER | IG1 power source | With vehicle in ON or START mode: about battery voltage |
| 5* | HOOD_SW | Detects hood latch switch signal | With hood latch switch ON: less than 0.2 V With hood latch switch OFF and wakeup mode: about battery voltage With hood latch switch OFF and sleep mode: pulse |
| 6 | GND | Relay control module ground | Less than 0.2 V at all times |
*: With hood latch switch
Relay Control Module Connector B (10P) (female terminals)
| Terminal number | Terminal name | Description | Signal |
|---|---|---|---|
| 1 | ILLUMI+ | Outputs illumination signal | With combination light switch PARKING or ON: about battery voltage With combination light switch OFF: less than 0.2 V |
| 2 | INTR_LT_CUT_RLY_OUT2 | Outputs interior light signal | With interior lights ON: about battery voltage With interior lights OFF: less than 0.2 V |
| 3 | DRL_RLY_OUT2 | Outputs right daytime running light signal | With right daytime running lights ON: about battery voltage With right daytime running lights OFF: less than 0.2 V |
| 4 | +B_R/MOD2 | +B power source | About battery voltage at all times |
| 5 | L_H/L_HI | Outputs left headlight (HIGH) signal | With left headlight (HIGH) ON: about battery voltage With left headlight (HIGH) OFF: less than 0.2 V |
| 6 | --- | Not used | --- |
| 7 | RR_DEF_RLY_CL- | Drives rear window defogger relay | With vehicle in ON mode and rear window defogger ON: less than 0.2 V With vehicle in ON mode and rear window defogger OFF: about battery voltage |
| 8 | L_H/L_LO | Outputs left headlight (LOW) signal | With left headlight (LOW) ON: about battery voltage With left headlight (LOW) OFF: less than 0.2 V |
| 9 | H/L_LO_SIG | Communication line | --- |
| 10 | PARKING_R | Outputs right parking light signal | With right parking lights ON: about battery voltage With right parking lights OFF: less than 0.2 V |
Relay Control Module Connector C (18P) (female terminals)
| Terminal number | Terminal name | Description | Signal |
|---|---|---|---|
| 1 | PARKING_L | Outputs left parking light signal | With left parking lights ON: about battery voltage With left parking lights OFF: less than 0.2 V |
| 2 | --- | Not used | --- |
| 3 | R_H/L_HI | Outputs right headlight (HIGH) signal | With right headlight (HIGH) ON: about battery voltage With right headlight (HIGH) OFF: less than 0.2 V |
| 4 | FR_FOG_LT_RLY_CL- | Drives front fog light relay | With front fog light switch ON: less than 0.2 V With front fog light switch OFF: about battery voltage |
| 5 | +B_R/MOD1 | +B power source | About battery voltage at all times |
| 6 | HORN_SW | Detects horn switch signal | With horn switch ON: less than 0.2 V With horn switch OFF: about battery voltage |
| 7 | INTR_LT_CUT_RLY_OUT1 | Outputs interior light signal | With interior lights ON: about battery voltage With interior lights OFF: less than 0.2 V |
| 8 | DRL_RLY_OUT | Outputs left daytime running light signal | With left daytime running lights ON: about battery voltage With left daytime running lights OFF: less than 0.2 V |
| 9 | FR_WASHER_MTR | Drives windshield washer motor | With windshield washer switch ON: about battery voltage With windshield washer switch OFF: less than 0.2 V |
| 10 | H/L_ON_SW | Detects combination light switch ON signal | With combination light switch ON: less than 0.2 V With combination light switch OFF and wake-up mode: about battery voltage With combination light switch OFF and sleep mode: pulse |
| Terminal number | Terminal name | Description | Signal |
|---|---|---|---|
| 11 | R_H/L_LO | Outputs right headlight (LOW) signal | With right headlight (LOW) ON: about battery voltage With right headlight (LOW) OFF: less than 0.2 V |
| 12 | --- | Not used | --- |
| 13 | --- | Not used | --- |
| 14 | HORN_RLY_CL- | Drives horn relay | With horn(s) ON: less than 0.2 V With horn(s) OFF: about battery voltage |
| 15 | GND | Relay control module ground | Less than 0.2 V at all times |
| 16 | GND | Relay control module ground | Less than 0.2 V at all times |
| 17 | RR_WASHER_MTR | Drives rear window washer motor | With rear window washer switch ON: about battery voltage With rear window washer switch OFF: less than 0.2 V |
| 18 | +B_WASHER | +B power supply | About battery voltage at all times |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.