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Home >> Acura >> 2025 >> MDX Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Body Electrical System - System Description - DTC Troubleshooting Index >> Connector View >> Relay Control Module Connector for Inputs and Outputs
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Relay Control Module Connector for Inputs and Outputs

Connector Index
Relay Control Module Connector A (8P)
Relay Control Module Connector B (10P)
Relay Control Module Connector C (18P)

Relay Control Module Connector A (8P) (female terminals) 

GHH659367Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description
1 SGND Ground for relay control module
2 +B_SRM1 Power source for relay control module
3 L_H/L_HI Outputs L_H/L_HI signal
4 Not used ---
5 R_H/L_LO Outputs R_H/L_LO signal
6 SMALL_L Outputs SMAL_L signal
7 SMALL_L Outputs SMAL_L signal
8 INTR_LT_CUT_RLY_OUT1 Outputs INTR_LT_CUT_RLY_OUT1 signal

Relay Control Module Connector B (10P) (female terminals) 

GHH659368Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description
1 SGND Ground for relay control module
2 +B_SRM2 Power source for relay control module
3 SMALL_R Outputs SMALL_R signal
4 SMALL_R Outputs SMALL_R signal
5 Not used ---
6 L_H/L_LO Outputs L_H/L_LO signal
Terminal number Terminal name Description
7 DRL_RLY_OUT1 Outputs DRL_RLY_OUT1 signal
8 R_H/L_HI Outputs R_H/L_HI signal
9 H/L_LO_L_SIG Communication line
10 ILLUMI+ Outputs ILLUMI+ signal

Relay Control Module Connector C (18P) (female terminals) 

GHH659369Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description
1 +B_BACK_UP Power source for relay control module
2 IG1_VSA/ABS IG1 power source
3 BB-CAN_H Communication line
4 BB-CAN_L Communication line
5 FR_WASHER_RLY_CL- Outputs FR_WASHER_RLY_CL- signal
6 HORN_RLY_CL- Outputs HORN_RLY_CL- signal
7 RR_WASHER_RLY_CL- Outputs RR_WASHER_RLY_CL- signal
8 RR_DEF_RLY_CL- Outputs RR_DEF_RLY_CL- signal
9 INTR_LT_CUT_RLY_OUT2 Outputs INTR_LT_CUT_RLY_OUT2 signal
10 DRL_RLY_OUT2 Outputs DRL_RLY_OUT2 signal
11 H/L_LO_R_SIG Communication line
12 *1 FR_DEICER_RLY_CL- Outputs FR_DEICER_RLY_CL- signal
13 H/L_ON_SW Detects H/L_ON_SW signal
14 HOOD_SW Detects HOOD_SW signal
15 Not used ---
16 HORN_SW Detects HORN_SW signal
17 *2 FR_FOG_LT_RLY_CL- Outputs FR_FOG_LT_RLY_CL- signal
18 Not used ---

*1: With heated windshield wiper area*2: With fog light