Operation CHARM: Car repair manuals for everyone.

Steering Column Electronic Systems Control Module, Rear Terminal Assignments






Steering Column Switch Module

CAUTION!
Before beginning repairs on the electrical system:

Obtain the anti-theft radio security code.

Switch the ignition off.

Disconnect the battery Ground (GND) strap.

After reconnecting vehicle battery, re-code and check operation of anti-theft radio. Also check operation of clock and power windows according to Repair Information and/or Owner's Manual.

Steps after reconnecting voltage supply => Battery.

General Information

Steering column switch module (SCSM) is composed of return ring with slip ring, Steering Angle Sensor (G85), steering column switch (signal switch, wiper switch, cruise control switch) and Steering Column Electronic Systems Control Module (J527).

Use tester (VAS5051) to check Steering Column Electronic Systems Control Module (J527).

Steering Column Electronic Systems Control Module, Rear Terminal Assignments

16-Pin Multi-Pin Connector





1. Ground (GND)

2. Terminal 30

3. Powertrain CAN-bus shielding

4. Not assigned

5. Cruise Control System engaged Off

6. Alarm (special vehicles)

7. Two-way radio transmitter (special vehicles)

8. Comfort system CAN-bus Low

9. Comfort system CAN-bus High

10. Powertrain data-BUS (shielded) High

11. Powertrain data-BUS (shielded) Low

12. Ignition lock terminal 75

13. Ignition lock terminal 15

14. Ignition lock S-contact

15. Ignition lock terminal 50

16. Ignition lock terminal P