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Home >> Acura >> 2021 >> TLX Base >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System - Testing And Troubleshooting >> Connector View >> Climate Control Unit Connector for Inputs and Outputs
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Climate Control Unit Connector for Inputs and Outputs

Connector Index
Climate Control Unit Connector A (32P)
Climate Control Unit Connector B (24P)

Climate Control Unit Connector A (32P) (female terminals) 

GHH484458Courtesy of HONDA, U.S.A., INC.
Terminal Number Terminal Name Description
1 IG1_IDAS(VST) IG1 power source
2 Not used ---
3 BUS-DATA BUS-DATA communication signal
4 Not used ---
5 Not used ---
6 MDD-P Detects potentiometer signal of mode control motor (door position)
7 AMD-P_DR Detects potentiometer signal of driver's air mix control motor (door position)
8 Not used ---
9 Not used ---
10 Not used ---
11 Not used ---
12 S_5V Outputs sensor 5 V
13 SENSOR_COM Sensor ground
14 GND Ground for climate control unit
15 Not used ---
16 BB-CAN_H B-CAN communication signal
17 IG2_OPTION IG2 power source
18 BLOWER_V Feedback signal of power transistor drain voltage
19 BLOWER_G Outputs power transistor gate voltage
20 Not used ---
21 Not used ---
22 Not used ---
23 AMD-P_AS Detects potentiometer signal of passenger's air mix control motor (door position)
24 RFD-P Detects potentiometer signal of recirculation control motor (door position)
25 TEVA Detects evaporator temperature sensor signal
26 TR Detects in-car temperature sensor signal
27 HUM_DATA Detects humidity sensor signal
28 * TSUN Detects sunlight sensor signal
29 TAM Detects outside air temperature sensor signal
30 Not used ---
31 Not used ---

*: With automatic wiper

Terminal Number Terminal Name Description
32 BB-CAN_L B-CAN communication signal

*: With automatic wiper

Climate Control Unit Connector B (24P) (female terminals) 

GHH484459Courtesy of HONDA, U.S.A., INC.
Terminal Number Terminal Name Description
1 SOL_IN Outputs to A/C compressor variable capacity control solenoid
2 M-HOT_DR Outputs to drive driver's air mix control motor to HOT side
3 M-COOL_DR Outputs to drive driver's air mix control motor to COOL side
4 M-HOT_AS Outputs to drive passenger's air mix control motor to HOT side
5 M-COOL_AS Outputs to drive passenger's air mix control motor to COOL side
6 Not used ---
7 Not used ---
8 MODE_MTR_DEF Outputs to drive mode control motor to DEF side
9 MODE_MTR_VENT Outputs to drive mode control motor to VENT side
10 Not used ---
11 Not used ---
12 Not used ---
13 SOL_OUT Detects feedback signal of A/C compressor variable capacity control solenoid
14 F/R_MTR(FRESH) Outputs to drive recirculation control motor to FRESH side
15 F/R_MTR(REC) Outputs to drive recirculation control motor to RECIRCULATE side
16 Not used ---
17 Not used ---
18 Not used ---
19 Not used ---
20 Not used ---
21 Not used ---
22 Not used ---
23 Not used ---
24 Not used ---