Convertible Top: 9910

9910 REAR BOW SWITCH SENSE CIRCUIT SHORT TO GROUND

9910 Rear Bow Switch Sense Circuit Short To Ground:

WHEN MONITORED
Continuously, with the ignition on.

SET CONDITION
When the Power Top Control Module (PTCM) senses voltage on the Rear Bow Switch Sense circuit.

POSSIBLE CAUSES
- Rear bow switch sense circuit short to ground
- Rear bow switch
- Power top control module

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.

DIAGNOSTIC TEST

1. Rear Bow Switch




Turn the ignition off.
Disconnect the Rear Bow Switch harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Turn the ignition on.
With DRBIII(R), select Input/Output Display and monitor the REAR BOW SW SENSE.

Q: Does the REAR BOW SW SENSE read "UNLOCKED"?

YES: Replace the Rear Bow Switch. Perform POWER TOP CONTROL MODULE VERIFICATION TEST. Power Top Verification Test
NO: Go To 2

2. Rear Bow Switch Sense Circuit Shorted To Ground




Turn the ignition off.
Disconnect the Power Top Control Module (PTCM) C1 harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Measure the resistance between ground and the Rear Bow Switch Sense circuit.

Q: Is the resistance below 100 kohms?

YES: Repair the Rear Bow Switch Sense circuit for a short to ground. Perform POWER TOP CONTROL MODULE VERIFICATION TEST. Power Top Verification Test
NO: Replace the Power Top Control Module. Perform POWER TOP CONTROL MODULE VERIFICATION TEST. Power Top Verification Test