B21C5

B21C5-POWER SUPPLY CONVERTIBLE TOP PUMP MISSING - 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:
This code will set when Convertible Top is activated and the Convertible Top Pump supply is not detected.





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. (Q985) POWER TOP EXTENDED DRIVER OPEN




Turn the ignition off.
Measure the resistance of the (Q985) Power Top Extended Driver circuit between the PTCM C3 harness connector and the Convertible Top Pump harness connector.
Does the ohm meter read open circuit?

Yes

- Repair the (Q985) Power Top Extended Driver circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test.

No

- Go to 3

3. (Q986) POWER TOP RETRACTED DRIVER OPEN




Measure the resistance of the (Q986) Power Top Retracted Driver circuit between the PTCM C3 harness connector and the Convertible Top Pump harness connector.
Does the ohm meter read open circuit?

Yes

- Repair the (Q986) Power Top Retracted Driver circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test.

No

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