9000 - 9999: 9919
9919 - POWER TOP SWITCH (OPEN) CIRCUIT SHORT TO GROUND
- When Monitored: Continuously, with the ignition on.
- Set Condition: When the Power Top Control Module (PTCM) senses the Power Top Switch (Open) signal for more the 60 seconds.
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.
Diagnostic Test
1. Power Top Switch
Turn the ignition off.
Disconnect the Power Top Switch harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Turn the ignition on.
With scan tool, select Input/Output Display and monitor the POWER TOP SW OPEN.
Does the scan tool display POWER TOP SW OPEN "NOT ACTIVE"?
Yes
- Replace the Power Top Switch.
- Perform POWER TOP CONTROL MODULE VERIFICATION TEST. Power Top Verification Test
No
- Go To 2
2. Power Top Switch (Open) Circuit For Short To Ground
Turn the ignition off.
Disconnect the Power Top Control Module C1 harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Power Top Switch (Open) circuit.
Is the resistance below 100 kohms?
Yes
- Repair the Power Top Switch (Open) circuit for a short to ground.
- Perform POWER TOP CONTROL MODULE VERIFICATION TEST. Power Top Verification Test
No
- Replace the Power Top Control Module.Removal.
- Perform POWER TOP CONTROL MODULE VERIFICATION TEST. Power Top Verification Test