Steering Lock Control Module

Fig 1: Steering Lock Control Module Connector Terminal Identification

Courtesy of SUBARU OF AMERICA, INC.

Terminal No.	Terminal symbol	Contents
(B424) No. 1	GND	GND
(B424) No. 3	SLR+	Steering lock motor drive power supply
(B424) No. 4	SLP	Unlock position output
(B424) No. 5	LIN	LIN communication
(B424) No. 6	IG2	IGN power supply
(B424) No. 7	B	+B

NOTE: Perform the following check from the back side of the connector, with the connector of the control module connected.

If the measured value is out of standard, it is possible that the vehicle has a fault.

Terminal No.	Standard	Measuring condition	Item
1 (GND) ←→	Chassis ground Continuity exists	Always	Continuity
-	-	-	-
3 (SLR+) ←→ Chassis ground	10 - 14 V → 1 V or less	Motor not operating → Motor operating	Voltage
4 (SLP) ←→ Chassis ground	10 - 14 V → 1 V or less	Lock → Unlock	Voltage
5 (LIN)	Input/output signal	-	-
6 (IG2) ←→ Chassis ground	10 - 14 V	Ignition ON	Voltage
7 (B) ←→ Chassis ground	10 - 14 V	Always	Voltage