Rear Wheel Steering Control Module Connector End Views

Rear Wheel Steering Control Module - C1 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12191065 16-Way F Micro-Pack 100 Series (BU)
Pin	Wire Color	Circuit No.	Function
1	YE	2556	Rear Wheel Steering Motor Actuator Hall A Signal
2	BN	2557	Rear Wheel Steering Motor Actuator Hall B Signal
3	BK	2559	Rear Wheel Steering Motor Hall Sensor Ground
4	D BU	2564	Rear Wheel Position Sensor Position 2 Signal
5	RD	1444	Rear Wheel Steering Motor Hall Sensor 12-Volt Reference
6	GY	2566	Rear Wheel Steering Motor Shorting Relay Ground
7-8	-	-	Not Used
9	L BU	2558	Rear Wheel Steering Motor Actuator Hall C Signal
10	OG	2565	Rear Wheel Steering Motor Shorting Relay Voltage
11	TN	2560	Rear Position Sensor Ground
12	D GN	2563	Rear Wheel Position Sensor Position 1 Signal
13	WH	605	5-Volt Reference
14-16	-	-	Not Used

Rear Wheel Steering Control Module - C2 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15355393 3-Way F Mini-Fit Jr (BK)
Pin	Wire Color	Circuit No.	Function
A	RD	2545	Rear Wheel Steering Motor Actuator Phase A Control
B	D BU	2546	Rear Wheel Steering Motor Actuator Phase B Control
C	OG	2547	Rear Wheel Steering Motor Actuator Phase C Control

Rear Wheel Steering Control Module - C3 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15355404 2-Way F Maxi 800 Sealed (BK)
Pin	Wire Color	Circuit No.	Function
A	BK	1750	Ground
B	RD	1042	Battery Positive Voltage

Rear Wheel Steering Module - C4 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12129225 24-Way F Micro-Pack 100 Series, Sealed (GY)
Pin	Wire Color	Circuit No.	Function
1	L GN	1763	Steering Wheel Position Sensor Phase A Signal
2	L BU	1764	Steering Wheel Position Sensor Phase B Signal
3	L BU	2088	Steering Wheel Position Sensor Low Reference
4	D BU	2544	Rear Wheel Steering Mode Select Switch 5-Volt Reference
5	-	-	Not Used
6	D GN/WH	817	Vehicle Speed Signal
7	BN	541	Ignition 3 Voltage
8	D BU	716	Yaw Rate Sensor Signal
9	D GN/WH	2891	Rear Wheel Steering Mode Select Switch Signal
10-12	-	-	Not Used
13	WH	1765	Steering Wheel Position Marker Pulse Signal
14	-	-	Not Used
15	D GN	2087	Steering Wheel Position Sensor 5-Volt Reference
16	L BU	2568	2 Wheel Steer Mode Indicator Supply Voltage
17	TN	2569	4 Wheel Steer Mode Indicator Supply Voltage
18	-	-	Not Used
19	OG	2538	4 Wheel Steer Trailer Mode Indicator Supply Voltage
20	L BU	715	Lateral Accelerometer Signal
21-22	-	-	Not Used
23	OG	2640	Battery Positive Voltage
24	GY	2567	Rear Wheel Steering Module Class 2 Serial Data