B6 Check Circuit 532 (O/Y) For Ground Short

- Remove main relay.

- Disconnect 8-way HCU valve connector.

- Check for ground short on Circuit 532 (O/Y) between relay connector, BOB Pin 17, and HCU 8-way connector Pins 1 and 4.

- Is a ground short detected?

YES -- Service as required. Go to B14. B14 Verify Concern Is Resolved

NO -- Replace relay. Go to B14. B14 Verify Concern Is Resolved