902B

902B-CONTROL MODULE INTERNAL FAULT (ZHZ)

For a complete wiring diagram refer to Diagrams/Electrical.

- When Monitored:

Continuously.

- Set Condition:

The Warm Water Auxiliary Heating 2 Control Unit is defective.






Diagnostic Test

1. WARM WATER AUXILIARY HEATING 2 CONTROL UNIT

The Warm Water Auxiliary Heating 2 Control Unit is reporting internal errors.

View repair.

Repair

- Replace the Warm Water Auxiliary Heating 2 Control Unit.
- Perform BODY VERIFICATION TEST - VER 1. Verification Tests