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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]