B10C1
B10C1-A/C SELECT SWITCH STUCK (CCN)
For a complete wiring diagram refer to Diagrams/Electrical.
- When Monitored:
With the ignition on.
- Set Condition:
If the Instrument Cluster (CCN) detects that the A/C mode switch stays in a pushed position for more than 5 seconds
Diagnostic Test
1. CHECK FOR ACTIVE DTC B1001 OR B1002 IN THE CCN
Turn the ignition on.
With the scan tool, read DTCs.
Does the scan tool display active: B1001 or B1002?
Yes
- Diagnose and repair the DTC.
No
- Go To 2
2. INSPECT THE A/C HEATER CONTROL FOR DAMAGE
Turn the ignition off.
Inspect the A/C Heater Control for damage.
Is the A/C Heater Control damaged?
Yes
- Replace the A/C Heater Control.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test
No
- Go To 3
3. INSPECT FOR OBJECT OR SUBSTANCE CAUSING THE A/C MODE SWITCH TO STAY OR STICK IN A PUSHED POSITION
Inspect the A/C Heater Control for anything that would cause the A/C mode switch to stay or stick in a pushed position.
Is anything present that would cause the A/C mode switch to stay or stick in a pushed position?
Yes
- Repair as necessary.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test
No
- Go To 4
4. CHECK THE A/C MODE SWITCH AND STATUS INDICATOR FUNCTION
Start the engine.
Turn the blower control on.
Press the A/C mode switch on and off several times while observing the A/C status indicator.
Does the A/C status indicator turn on and off?
Yes
- Go To 5
No
- Replace the A/C Heater Control.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test
5. VERIFY THAT DTC B10C1-A/C SELECT SWITCH STUCK IS STILL ACTIVE
Turn the ignition on.
With the scan tool, erase DTCs.
Turn the ignition off, wait 10 seconds, and turn the ignition on.
With the scan tool, read DTCs.
Does the scan tool display active: B10C1-A/C SELECT SWITCH STUCK?
Yes
- Replace the A/C Heater Control.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test
No
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test