Diagnostic Test

1) Check for Current DTCs
Turn the ignition on.

With the scan tool, read and record the Power Top Control Module (PTCM) DTCs.

With the scan tool, erase the Power Top Control Module (PTCM) DTCs.

NOTE: If another DTC has set, diagnose all other DTCs first before continuing.

Press the Power Top Switch to raise and lower the Power Top.

With the scan tool, read the Power Top Control Module (PTCM) DTCs.

Did this DTC set again?

Yes
1. Go to 2).
No
1. Go to 3).
2) CHECKING TOP SWITCH AND TRAVEL SENSOR STATUS
With the scan tool, verify all top switch and travel sensor states. See DIAGNOSIS AND TESTING for a chart showing the switch and travel sensor status during normal operation.

Are all switch and travel sensor statuses OK?

Yes
1. Replace the Power Top Control Module. Refer to REMOVAL .
2. Perform POWER TOP VERIFICATION TEST .
No
1. Repair or replace the switch or sensor as necessary.
2. Perform POWER TOP VERIFICATION TEST .
3) INTERMITTENT WIRING AND CONNECTORS
The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for a possible intermittent condition.

NOTE: Check connectors - Clean/repair as necessary. Poor pin to terminal connections can set DTCs.

NOTE: Check for any Technical Service Bulletins that may apply.

Using the wiring diagram/schematic as a guide, inspect the wiring and connectors specific to this DTC. Wiggle the wires while checking for shorts and open circuits.

Were there any problems found?

Yes
1. Repair as necessary.
2. Perform POWER TOP VERIFICATION TEST .
No
1. The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for a possible intermittent condition.