Operation CHARM: Car repair manuals for everyone.

Test Point 25



Test point 25
No terminal 86 S recognized

Fault code 25
1. Check the fuse F 5/1.
2. Pull off plug I on the alarm control module.
3. Voltmeter at plug I alarm control module pin 16 and ground.
Insert the ignition key into the ignition lock.
Display: Battery voltage

4. Pull off the plug on the ignition lock.
5. Ohmmeter at ignition lock plug pin 86 S and plug I, alarm control module pin 16.
Display: < 5 Ohms

6. If no fault is detected, replace the electrical contact part of the ignition lock.