B1016

B1016-REAR DEFROST SWITCH REQUEST INPUT CIRCUIT LOW





For a complete wiring diagram, refer to the Wiring Information. Electrical Diagrams

- When Monitored:
With the ignition on.

- Set Condition:
The Cluster detects low voltage on the Rear Window Defogger Switch Signal circuit.





1. CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, read DTCs.

Does the scan tool display this DTC as active?

Yes

- Go To 2

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. CHECK FOR DTC WITH THE A/C HEATER CONTROL DISCONNECTED
1. Turn the ignition off.
2. Disconnect the A/C Heater Control C1 harness connector.
3. Turn the ignition on.
4. With the scan tool, read DTCs.

Does the scan tool display this DTC as active?

Yes

- Go To 3

No

- Replace A/C Heater Control.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. CHECK THE (C215) REAR WINDOW DEFOGGER SWITCH SIGNAL CIRCUIT FOR SHORT TO GROUND




1. Disconnect the Cluster C3 harness connector.
2. Measure the resistance between ground and the (C215) Rear Window Defogger Switch Signal circuit.

Is the resistance below 10K Ohms?

Yes

- Repair the short to ground on the (C215) Rear Window Defogger Switch Signal circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Cluster.
- Perform the BODY VERIFICATION TEST. Body Verification Test.