P189B

P189B MOTOR B

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, power switch OFF and wait for at least
10 seconds, then perform the next test.
- GO TO 2.

2. PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT
1.Power switch ON and wait for 2 seconds or more.
2.Check DTC.
Is "P189B" detected?
YES- Go to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK HARNESS BETWEEN ELECTRIC SHIFT CONTROL MODULE AND MOTOR COIL B

1.Power switch OFF.
2.Disconnect the electric shift control module connector.
3.Disconnect the parking actuator connector.
4.Check the voltage electric shift control module vehicle side harness connector terminals and ground.





5.Check the continuity electric shift control module vehicle side harness connector terminals and parking actuator vehicle side harness connector terminals.





Is the inspection result normal?
YES - GO TO 2.
NO- Repaire or replace damaged parts.

2. CHECK MOTOR COIL B

Check the motor coil B. Refer to "Component Inspection (Motor Coil B)" .
Is the inspection result normal?
YES - Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- Replace the reduction gear due to malfunction in the motor coil B (parking actuator). Refer to TM19, "Removal and Installation".


Component Inspection (Motor Coil B)


1. CHECK MOTOR COIL B

1.Disconnect the parking actuator connector.
2.Check the resistance between parking actuator connector terminals.





Is the inspection result normal?
YES- INSPECTION END
NO- Replace the reduction gear due to malfunction in the motor coil B (parking actuator). Refer to TM19, "Removal and Installation".