Inspection Procedure 3

INSPECTION PROCEDURE 3: Pump Motor does not Stop.






CIRCUIT OPERATION

Power for the convertible top pump motor is supplied by the convertible top relay. The convertible top control module turns ON/OFF the convertible top relay by turning ON/OFF the transistor in the ECU to control the convertible top pump motor.

TROUBLESHOOTING HINTS

- Malfunction of the convertible top relay
- Damaged harness wires and connectors
- Malfunction of the convertible top control module

DIAGNOSIS

STEP 1. Retest the system.

Check that the pump motor stops when the convertible top relay is removed.

Q. Does the pump motor stop?

YES Go to Step 2.
NO Go to Step 4.
STEP 2. Convertible top relay check





Q. Is the check result satisfactory?

YES Go to Step 3.
NO Replace the convertible top relay.
STEP 3. Check the harness between convertible top control module connector D-45 (terminal 41) and convertible top relay connector D-44 (terminal 1).





- Check the wiring harness for short circuit.

Q. Is the check result satisfactory?

YES Replace the convertible top control module connector.

NO Repair the harness wire.

STEP 4. Check the harness between convertible top motor connector D-41 (terminal 1) and convertible top relay connector D-44 (terminal 3).





- Check the relevant harness for short circuit to the power supply.

Q. Is the check result satisfactory?

YES Intermittent malfunction How to Cope With Intermittent Malfunctions).

NO Repair the harness wire.