B1016
B1016 - REAR DEFROST SWITCH REQUEST INPUT CIRCUIT LOW
For a complete wiring diagram REFER to DIAGRAMS/ELECTRICAL .
- When Monitored:
With the ignition on.
- Set Condition:
The Rear Defrost Switch Signal circuit is shorted to ground.
Diagnostic Test
1. TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, erase all DTC's.
Operate the Rear Defrost Switch several times.
Cycle the ignition from on to off.
Turn the ignition on.
With the scan tool, read DTC's.
Does the scan tool display active: B1016 REAR DEFROST SWITCH REQUEST INPUT CIRCUIT LOW?
Yes
- Replace the HVAC Control Head.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test
No
- The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test