Checking Supply [HB4]
Checking Supply
- Ignition off.
- Disconnect DLC connector.
- Ignition on.
Connect a voltmeter between DLC connector terminal 4 and ground.
Voltmeter should read approx. battery voltage.
If reading is OK:
- Check ground lead HB5. Checking Ground Lead [HB5]
If reading is incorrect:
- Check that fuse 11/33 is intact, and check lead between DLC connector terminal 4 and fuse 11/33 for open circuit as per HA2. Checking 15L Supply to Control Module [HB2]