Test Point 12 - No Power Supply

TEST POINT 12 - No power supply to LH control unit (V)

Possible Causes, Elimination, Remarks
a) Permanent positive supply (B+)

- Connect voltmeter to terminals 17 and 4 of LH control unit plug with a test lead. Display: battery voltage
- Check current path according to wiring diagram.

b) Power supply through LH relay XXV
- At the LH control unit, connect a voltmeter to terminals 17 and 9, and run to terminal 21 (ground on body) using test leads. The LH relay must be energized. Display: battery voltage

No display: Check relay XXV and current path according to wiring diagram.