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BCM Pinouts

Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=5875
Printed Date: May 05, 2024 at 12:21 PM


Topic: BCM Pinouts

Posted By: malucyk
Subject: BCM Pinouts
Date Posted: November 25, 2002 at 3:59 PM

Does anybody have a schematic for the pinouts for a 2002 Chevrolet Impala BCM??

Thanks

Matt




Replies:

Posted By: schism
Date Posted: November 27, 2002 at 9:26 PM

24-Way PNK

A1 - DK BLU - Interior Lamp Relay Coil Control
A2 - WHT - Park Lamp Relay Control
A3 - ORN - Battery Positive Voltage
A4 - Not Used
A5 - LT GRN - BCM Class 2 Serial Data 
A6 - BLK - Ground
A7 - BLK - Ground
A8 - LT GRN/BLK - DRL Relay Control
A9 - Not Used
A10 - WHT - Courtesy Lamp Low Control
A11 - LT GRN - Keyless Entry Serial Data (w/o 9C1/9C3/9C6)
A12 - PPL - Ignition 0 Voltage
B1 - Not Used
B2 - DK GRN/WHT - Fog Lamp Relay Control (Impala LS/ Monte Carlo SS)
B3 - BLK/WHT - Headlamp High Beam Relay Control
B4 - Not Used
B5 - BLK - Horn Relay Control
B6 - DK BLU - Backup Lamp Relay Control
B7 - BLK - Ground
B8 - TAN/WHT - A/T Shift Lock Solenoid Supply Voltage
B9 - WHT - Security System Sensor Supply Voltage
B10 - PNK - Headlamp High Beam Signal
B11 - GRY - Instrument Panel Lamp Supply Voltage - 1
B12 - BLK - Security System Sensor Low Reference

24-Way GRY
A1 - ORN - Battery Positive Voltage
A2 - LT BLU - Trunk Release Relay Control
A3 - YEL - Security System Sensor Signal
A4 - ORN - Battery Positive Voltage
A5 - LT GRN/BLK - DRL Ambient Light Sensor Signal
A6 - TAN - Door Lock Actuator Unlock Control
A7 - GRY - Door Lock Actuator Lock Control
A8 - GRY - Interior Lamp Control
A9 - BRN/WHT - Traction Control Switch Signal (w/o 9C1/9C3/9C6)
A10 - PNK - Ignition 1 Voltage
A11 - RED / BLK - Trunk Ajar Switch Signal
A12 - TAN - Driver Door Lock Actuator Unlock Control
B1 - Not Used
B2 - YEL/BLK - DRL Ambient Light Sensor Low Reference
B3 - ORN/BLK - Door Lock Switch Signal
B4 - YEL - Headlamp Switch Signal
B5 - BLK/WHT - Ground
B6 - DK BLU/WHT - Courtesy Lamp Switch Signal
B7 - PPL - Surveillance Mode Switch Signal (9C1/9C3/9C6)
B8 - ORN - Load Management Control
B9 - BLK - RAP Relay Coil Supply Voltage
B10-B12 -  Not Used

16-Way GRY
A1 - DK BLU/WHT - Door Open Switch Signal
A2 - LT BLU - Park Lamp Switch Signal
A3 - Not Used
A4 - DK GRN/WHT - A/C Request Signal
A5 - YEL - Accessory Voltage
A6 - Not Used
A7 - BLK - Trunk Release Switch Signal
A8 - DK BLU - Driver Door Open Switch Signal
B1 - LT GRN - Key In Ignition Switch Signal
B2 - DK BLU/WHT - Courtesy Lamp Supply Voltage
B3 - LT GRN - Driver Door Key Switch Signal (w/o 9C1/9C3/9C6)
B4 - Not Used
B5 - DK GRN - Vehicle Speed Signal
B6 - LT GRN - Park Brake Indicator Supply Voltage
B7 - ORN - Front Fog Lamp Switch Signal (Impala LS/ Monte Carlo SS)
B8 - Not Used




Posted By: malucyk
Date Posted: November 28, 2002 at 2:30 PM

Thanks man, your a life saver.

Matt


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