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Home >> Acura >> 2020 >> ILX >> Repair and Diagnosis >> External Pages >> Different car >> Section 28 (Gauges - Testing & Troubleshooting (Except Hybrid)) >> Connector View >> Gauge Control Module Connector for Inputs and Outputs

Gauge Control Module Connector for Inputs and Outputs

WARNING: This page is about a different car, the 2022 Honda Accord, 2021 Honda Accord, 2020 Honda Accord, 2019 Honda Accord, and 2018 Honda Accord. However, it is still accessible from the selected car via links, so may be relevant.
Connector Index
Gauge Control Module Connector A (32P)
Gauge Control Module Connector B (12P)
Gauge Control Module Connector C (3P)

Gauge Control Module Connector A (32P) (female terminals) 

GHH395576Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 +B BACK UP +B power source About battery voltage at all times
2 IG1 METER *8 IG1 power source With vehicle in ON or START mode: about battery voltage
IG1 PCU EWP *9 IG1 power source With vehicle in ON or START mode: about battery voltage
3 Not used --- ---
4 LIN (BATT SNSR) Communication line ---
5 Not used --- ---
6 * 1 WASHER LEVEL SNSR Detects washer fluid level switch signal With vehicle in ON mode and washer fluid level switch OFF: about battery voltage With vehicle in ON mode and washer fluid level switch ON: less than 0.2 V
7 BRAKE LEVEL SW Detects brake fluid level switch signal With vehicle in ON mode and brake fluid level switch OFF: about battery voltage With vehicle in ON mode and brake fluid level switch ON: less than 0.2 V
8 FUEL GAUGE+ Detects fuel gauge sending unit signal ---
9 FUEL GAUGE- Ground for fuel gauge sending unit ---
10 VSA OFF SW Detects VSA OFF switch signal With vehicle in ON mode and VSA off switch OFF: about battery voltageWith vehicle in ON mode and VSA off switch ON: less than 0.2 V

*1: Canada model

*2: CVT

*3: With sport mode switch

*4: Without ACC

*5: With ACC

*6: With head up display

*7: Without multi-information display

*8: Without auto idle stop system

*9: With auto idle stop system

Terminal number Terminal name Description Signal
11 Not used --- ---
12 SEL/RESET SW Detects TRIP switch signal With vehicle in ON mode and TRIP switch OFF: about battery voltageWith vehicle in ON mode and TRIP switch ON: less than 0.2 V
13 * 2 ILLUMI CANSEL Ground for shift position indicator illumination ---
14 *3 SPORT MODE SW Detects sport mode switch signal With vehicle in ON mode and sport mode switch OFF: about battery voltageWith vehicle in ON mode and sport mode switch ON: less than 0.2 V
15 PARK LAMP Detects VSA modulator-control unit (PARK LAMP) signal With vehicle in ON mode and electric parking brake switch OFF: about battery voltage With vehicle in ON mode and electric parking brake switch ON: less than 0.2 V
16 GND Ground for gauge control module Less than 0.2 V at all times
17 ILL- (LED) Detects illumination signal ---
18 GND Ground for gauge control module Less than 0.2 V at all times
19 Not used --- ---
20 F-CAN A_H * 4F-CAN C_H *5 Communication line ---
21 F-CAN A_L * 4F-CAN C_L *5 Communication line ---
22 B-CAN_H Communication line ---
23 B-CAN_L Communication line ---
24 ECON SW Detects ECON switch signal With vehicle in ON mode and ECON switch OFF: about battery voltage With vehicle in ON mode and ECON switch ON: less than 0.2 V
25 *6 HUD UART Communication line ---
26 *7 KMH MPH Detects km/h, mph change switch signal With vehicle in ON mode and km/h, mph change switch OFF: about battery voltageWith vehicle in ON mode and km/h, mph change switch ON: less than 0.2 V
27 ILL VOL SW - Detects dashlights brightness control switch signal ---
28 ILL VOL SW + Detects dashlights brightness control switch signal ---
29 Not used *8 --- ---
IDLE STOP OFF *9 Detects idle stop OFF switch signal With vehicle in ON mode and idle stop OFF switch OFF: about battery voltage With vehicle in ON mode and idle stop OFF switch ON: less than 0.2 V
30 CRUISE GND Ground for cruise control *4 / ACC *5 combination switch Less than 0.2 V at all times
31 CRUISE SW Detects cruise control *4 / ACC *5 combination switch With vehicle in ON mode: about 0.8-4.4 V (depending on cruise control *4 / ACC *5 combination switch)
32 BRAKE HOLD Detects automatic brake hold switch signal ---

*1: Canada model

*2: CVT

*3: With sport mode switch

*4: Without ACC

*5: With ACC

*6: With head up display

*7: Without multi-information display

*8: Without auto idle stop system

*9: With auto idle stop system

Gauge Control Module Connector B (12P) (female terminals) 

GHH395577Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 *1 DISTANCE SW Detects ACC combination switch signal With vehicle in ON mode: about 0.8-4.4 V (depending on ACC combination switch)
2 Not used --- ---
3 Not used --- ---
4 *1 CMBS OFF SW Detects safety support switch signal With vehicle in ON mode and safety support switch OFF: about battery voltage With vehicle in ON mode and safety support switch ON: less than 0.2 V
5 Not used --- ---
6 Not used --- ---
7 Not used --- ---
8 Not used --- ---
9 Not used --- ---
10 Not used --- ---
11 Not used --- ---
12 *2 INT ILLUMI CONT Ground for door inner handle light ---

*1: With ACC

*2: With door inner handle light

Gauge Control Module Connector C (3P) (female terminals) (with display audio) 

GHH395578Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 LVDS2+ Communication line ---
2 LVDS2- Communication line ---
3 LVDS2 SH Shield for terminals No. 1 and No. 2 Less than 0.2 V at all times