HVAC

9018-TEMPERATURE SENSOR PERFORMANCE (ZHZ)

For a complete wiring diagram refer to Diagrams/Electrical.

- When Monitored:

With the ignition on.

- Set Condition:

The Temperature Sensor is operating outside of a specified value.






Diagnostic Test

1. CHECK FOR ANY AUXILIARY HEATER DTCS

NOTE: Make sure the warm water auxiliary heater 2 control unit is not faulty.

NOTE: Make sure the temperature sensor is not faulty.

NOTE: Make sure the overheating sensor is not faulty.

Turn the ignition on.

With the scan tool, read active DTC's.

Does the scan tool display any active DTC's?

Yes

- Repair the Temperature Sensor Circuit for a short circuit.
- Perform BODY VERIFICATION TEST - VER 1. Verification Tests

No

- Check the above conditions that can cause a short circuit condition. Repair as necessary.