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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 >> Body Control Module Connector for Inputs and Outputs
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Body Control Module Connector for Inputs and Outputs

Connector Index
Body Control Module Connector A (66P)
Body Control Module Connector B (66P)
Body Control Module Connector C (66P)

Body Control Module Connector A (66P) (female terminals) 

GHH659327Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description
1 +B_BACK_UP Power source for body control module
2 IG1_FUEL_PUMP IG1 power source
3 *1 WAC_IND(-) Detects WAC_IND(-) signal
4 Not used ---
5 Not used ---
6 Not used ---
7 Not used ---
8 Not used ---
9 Not used ---
10 *2 FR_DEICER_SW Detects FR_DEICER_SW signal
11 Not used ---
12 Not used ---
13 INTR_LIGHT- Outputs INTR_LIGHT- signal
14 Not used ---
15 Not used ---

*1: With walk away close power tailgate *2: With heated windshield wiper area *3: With fog light*4: With active lane change assist

Terminal number Terminal name Description
16 Not used ---
17 Not used ---
18 +B_SMART Power source for body control module
19 Not used ---
20 Not used ---
21 Not used ---
22 Not used ---
23 ATP-P Detects ATP-P signal
24 Not used ---
25 Not used ---
26 Not used ---
27 Not used ---
28 BACK_UP(WIPER) Detects BACK_UP(WIPER) line
29 LIN(FR_WIPER) Communication line
30 Not used ---
31 Not used ---
32 Not used ---
33 S-NET Communication line
34 BRK_DIAG Detects BRK_DIAG signal
35 HAZARD_SW Detects HAZARD_SW signal
36 Not used ---
37 Not used ---
38 *4 TURN_LOCK Detects TURN_LOCK signal
39 Not used ---
40 Not used ---
41 H/L_ON_SW Detects H/L_ON_SW signal
42 SMALL_LT_SW Detects SMALL_LT_SW signal
43 H/L_OFF_SW Detects H/L_OFF_SW signal
44 Not used ---
45 *3 FR_FOG_SW Detects FR_FOG_SW signal
46 H/L_HI_SW Detects H/L_HI_SW signal
47 PASSING_SW Detects PASSING_SW signal
48 R_TURN_SW Detects R_TURN_SW signal
49 L_TURN_SW Detects L_TURN_SW signal
50 COMBI_SW_GND(LT) Ground for combination light switch
51 SGND Ground for body control module
52 K-LINE Communication line
53 L-LINE Communication line
54 BF-CAN_L Communication line
55 BF-CAN_H Communication line
56 BB-CAN_L Communication line
57 BB-CAN_H Communication line
58 RR_WASHER_SW Detects RR_WASHER_SW signal
59 RR_WIPER_SW Detects RR_WIPER_SW signal
60 RR_WIPER_INT_SW Detects RR_WIPER_INT_SW signal
61 FR_WASHER_SW Detects FR_WASHER_SW signal
62 FR_WIPER_INT_VOL Detects FR_WIPER_INT_VOL signal

*1: With walk away close power tailgate *2: With heated windshield wiper area *3: With fog light*4: With active lane change assist

Terminal number Terminal name Description
63 FR_WIPER_HI_SW Detects FR_WIPER_HI_SW signal
64 FR_WIPER_INT_SW Detects FR_WIPER_INT_SW signal
65 FR_WIPER_MIST_SW Detects FR_WIPER_MIST_SW signal
66 COMBI_SW_GND(WIP) Ground for wiper/washer switch

*1: With walk away close power tailgate *2: With heated windshield wiper area *3: With fog light*4: With active lane change assist

Body Control Module Connector B (66P) (female terminals) 

GHH659328Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description
1 +B_HAZARD Power source for body control module
2 PGND Ground for body control module
3 AS_COURTESY_LT- Outputs AS_COURTESY_LT- signal
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 Not used ---
13 Not used ---
14 Not used ---
15 Not used ---
16 Not used ---
17 * CDS Detects CDS signal

*:'22-24

Terminal number Terminal name Description
18 Not used ---
19 Not used ---
20 Not used ---
21 Not used ---
22 DR_COURTESY_LT- Outputs DR_COURTESY_LT- signal
23 Not used ---
24 Not used ---
25 Not used ---
26 Not used ---
27 Not used ---
28 Not used ---
29 Not used ---
30 RR_R_SEAT_SW Detects RR_R_SEAT signal
31 RR_L_SEAT_SW Detects RR_L_SEAT signal
32 RR_R_SEAT_RLY_CL- Outputs RR_R_SEAT_RLY_CL- signal
33 RR_L_SEAT_RLY_CL- Outputs RR_L_SEAT_RLY_CL- signal
34 Not used ---
35 RR_L_COURTESY_LT- Outputs RR_L_COURTESY_LT- signal
36 Not used ---
37 Not used ---
38 Not used ---
39 Not used ---
40 Not used ---
41 SMART_BUZZER Outputs SMART_BUZZER signal
42 CARGO_LT Outputs CARGO_LT signal
43 TAIL_GATE_OPEN_SW Detects TAIL_GATE_OPEN_SW signal
44 TAIL_GATE_SW Detects TAIL_GATE_SW signal
45 RR_L_SILCON_UNLOCK Detects RR_L_SILCON_UNLOCK signal
46 Not used ---
47 RL_DOOR_SW Detects RL_DOOR_SW signal
48 R2_TURN Outputs R2_TURN signal
49 L2_TURN Outputs L2_TURN signal
50 RR_WIPER_MTR Outputs RR_WIPER_MTR signal
51 GND Ground for body control module
52 RR_R_COURTESY_LT- Outputs RR_R_COURTESY_LT- signal
53 RR_R_SILCON_UNLOCK Detects RR_R_SILCON_UNLOCK signal
54 RR_DOOR_SW Detects RR_DOOR_SW signal
55 FR_DOOR_SW Detects FR_DOOR_SW signal
56 FL_DOOR_SW Detects FL_DOOR_SW signal
57 Not used ---
58 Not used ---
59 IG2_DRL Detects IG2_DRL signal
60 BACK_LT Detects BACK_LT signal
61 Not used ---
62 DR_DOOR_UNLOCK_RELAY_CL- Outputs DR_DOOR_UNLOCK_RELAY_CL- signal
63 DOOR_UNLOCK_RELAY_CL- Outputs DOOR_UNLOCK_RELAY_CL- signal
64 DOOR_LOCK_RELAY_CL- Outputs DOOR_LOCK_RELAY_CL- signal

*:'22-24

Terminal number Terminal name Description
65 R_TURN Outputs R_TURN signal
66 L_TURN Outputs L_TURN signal

*:'22-24

Body Control Module Connector C (66P) (female terminals) 

GHH659329Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description
1 Not used ---
2 *2 RF_GND RF_GND signal
3 Not used ---
4 Not used ---
5 Not used ---
6 *4 WAC_SW(+) Detects WAC_SW(+) signal
7 Not used ---
8 Not used ---
9 *1 TS_RR_R Detects TS_RR_R signal
10 *1 DL_RR_R Detects DL_RR_R signal
11 *1 VOUT_RR_R Outputs VOUT_RR_R signal
12 EXT_RR_R- Outputs EXT_RR_R- signal
13 EXT_RR_R+ Outputs EXT_RR_R+ signal
14 EXT_TR- Outputs EXT_TR- signal
15 EXT_TR+ Outputs EXT_TR+ signal
16 T/G_LOCK_SW Detects T/G_LOCK_SW signal
17 *2 RF_DATA1 Communication line
18 Not used ---

*1: With keyless access function *2: With remote engine start*3: With hands free access power tailgate *4: With walk away close power tailgate

Terminal number Terminal name Description
19 YOP_DR_WELCOME_LT Outputs YOP_DR_WELCOME_LT signal
20 *3 HFA_SIG Detects HFA_SIG signal
21 EXT_M- Outputs EXT_M- signal
22 EXT_M+ Outputs EXT_M+ signal
23 *1 TS_RR_L Detects TS_RR_L signal
24 *1 DL_RR_L Detects DL_RR_L signal
25 *1 VOUT_RR_L Outputs VOUT_RR_L signal
26 EXT_RR_L- Outputs EXT_RR_L- signal
27 EXT_RR_L+ Outputs EXT_RR_L+ signal
28 EXT_R- Outputs EXT_R- signal
29 EXT_R+ Outputs EXT_R+ signal
30 TS_FR_DR Detects TS_FR_DR signal
31 DL_FR_DR Detects DL_FR_DR signal
32 Not used ---
33 EXT_FR_DR- Outputs EXT_FR_DR- signal
34 EXT_FR_DR+ Outputs EXT_FR_DR+ signal
35 Not used ---
36 Not used ---
37 Not used ---
38 Not used ---
39 Not used ---
40 Not used ---
41 ESL_PWR Outputs ESL_PWR signal
42 IGN_TRX Communication line
43 Not used ---
44 Not used ---
45 STS Outputs STS signal
46 EXT_FR_AS- Outputs EXT_FR_AS- signal
47 EXT_FR_AS+ Outputs EXT_FR_AS+ signal
48 TS_FR_AS Detects TS_FR_AS signal
49 DL_FR_AS Detects DL_FR_AS signal
50 VOUT_FR_AS Outputs VOUT_FR_AS signal
51 CONT_RLY_GND Ground for IG1A/IG1B/IG2/ACC relay circuits
52 IG1-A_SIG Detects IG1-A_SIG signal
53 IG1-B_SIG Detects IG1-B_SIG signal
54 IG2_SIG Detects IG2_SIG signal
55 ACC_RLY_CL+ Outputs ACC_RLY_CL+ signal
56 IG2_COIL+ Outputs IG2_COIL+ signal
57 IG1_COIL+ Outputs IG1_COIL+ signal
58 H-BRAKE_SW Detects H-BRAKE_SW signal
59 EXT_F- Outputs EXT_F- signal
60 EXT_F+ Outputs EXT_F+ signal
61 START_SW_ILL Outputs START_SW_ILL signal
62 START_SW_IND1 Outputs START_SW_IND1 signal
63 SSSW_LF_ANT- Outputs SSSW_LF_ANT- signal
64 SSSW_LF_ANT+ Outputs SSSW_LF_ANT+ signal
65 SS1(+) Detects SS1(+) signal

*1: With keyless access function *2: With remote engine start*3: With hands free access power tailgate *4: With walk away close power tailgate

Terminal number Terminal name Description
66 SS2(-) Detects SS2(-) signal

*1: With keyless access function *2: With remote engine start*3: With hands free access power tailgate *4: With walk away close power tailgate

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