Go to step 7.
NO -
Replace the HFL switch See: Accessories and Optional Equipment/Cellular Phone/Service and Repair/HFL Switch Replacement.?
7. Disconnect the HandsFreeLink control unit 28P connector.
8. Disconnect the cable reel subharness 20P connector from the cable reel.
9. Check for continuity between HandsFreeLink control unit 28P connector terminal No. 2 and body ground.
Is there continuity?
YES -
Go to step 10.
NO -
Replace the HandsFreeLink control unit See: Accessories and Optional Equipment/Cellular Phone/Communications Control Module/Service and
Repair.?
10. Disconnect the dashboard wire harness 20P connector from the cable reel.
11. Check for continuity between HandsFreeLink control unit 28P connector terminal No. 2 and body ground.
Is there continuity?
YES -
Repair a short to body ground in the wire between the HandsFreeLink control unit and the cable reel.?
NO -
Replace the cable reel See: Restraints and Safety Systems/Air Bag Systems/Clockspring Assembly / Spiral Cable/Service and Repair.?
B1792
DTC Troubleshooting: B1792
DTC B1792:
HandsFreeLink control module error
