Step M6

Checking the ignition feed

Measurement A:




- Ignition off.




- Connect a voltmeter between item 15 and item 31 on the alarm relay base. The voltmeter should show 0 V.

Measurement B:




- Ignition on.




- Connect the voltmeter again between item 15 and item 31 on the alarm relay base.
The voltmeter should read battery voltage.

If both readings are correct:
- Continue with step M7. Step M7

If measurement A deviates:
There is a short to ground in the lead between the ignition lock item 1SA and the alarm relay base item 15.
- Rectify the fault or renew the lead.
Replace the alarm control module.

If measurement B deviates:
There is a break in the lead between the ignition lock item 15A and the alarm relay base item 15. Alternatively fuse 4 in the fusebox has blown.
- Rectify the fault or renew the lead.
Replace the alarm control module.