FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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B18D2







B18D2-CONVERTIBLE TOP RETRACTED POSITION SENSOR CIRCUIT PERFORMANCE LOW - PTCM





For a complete wiring diagram Consult Diagrams/Electrical

- When Monitored:
With the Ignition Switch in the on position and the Power Top Control Module (PTCM) is awake.

- Set Condition:
When the Power Top Control Module (PTCM) senses low voltage on the (Q988) Convertible Top Retracted Signal circuit, this code will set.





Diagnostic Test

1. TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, record and erase all PTCM DTC's.
Try to operate the Power Top Switch.
Wait 30 seconds.
With the scan tool, read all PTCM DTC's.
Does the scan tool display this DTC as active?

Yes

- Go to 2

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

2. CONVERTIBLE TOP RETRACTED POSITION SENSOR
Turn the ignition off.
Disconnect the Convertible Top Retracted Position Sensor harness connector.
Turn the ignition on.
With the scan tool, erase all PTCM DTC's.
With the scan tool, check for active PTCM DTC's.
Does the scan tool display this DTC as active?

Yes

- Go to 3

No

- Replace the Convertible Top Retracted Position Sensor.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

3. (Q988) CONVERTIBLE TOP RETRACTED SIGNAL CIRCUIT SHORTED TO GROUND




Turn the ignition off.
Disconnect the Power Top Module C1 harness connector.
Measure the resistance between Ground and the (Q988) Convertible Top Retracted Signal circuit.
Does the ohm meter read open circuit?

Yes

- Replace the Power Top Control Module (PTCM).
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Repair the (Q988) Convertible Top Retracted Signal circuit for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test