Operation CHARM: Car repair manuals for everyone.

Test Point 4



Checking The Actual Values

The specified voltage values are reference values

Test point 4
Terminal 58
- Engine off
- Parking light off

PST2 display 0

- Engine off
- Parking light on

PST2 display 1

If 0 is displayed with the parking light on:
1. Check fuse A5
2. Pull plug off the control module

- Switch parking light on
- Measure voltage between terminal 10 and ground

Voltmeter display greater than 10 V

If the signal (terminal 58) is present at the control module, replace the control module. Check the wire if the signal (terminal 58) is not present at the control module.

NOTE: The headlights are not raised when high beam is activated if there is an open circuit at terminal 58 or if the control module is faulty.