In "N" Position, Vehicle Moves

TROUBLE DIAGNOSIS FOR SYMPTOMS


In "N" Position, Vehicle Moves


SYMPTOM:
Vehicle moves forward or backward when selecting "N" position.

DIAGNOSTIC PROCEDURE
1.CHECK A/T POSITION
Check A/T position. Testing and Inspection .
OK or NG
OK - GO TO 2.
NG - Adjust A/T position. Adjustments .
2.CHECK A/T FLUID LEVEL
Check A/T fluid level. Procedures .
OK or NG
OK - GO TO 3.
NG - Refill ATF.
3.CHECK A/T FLUID CONDITION
1. Remove oil pan. Component .
2. Check A/T fluid condition. Inspections Before Trouble Diagnosis .
OK or NG
OK - GO TO 5.
NG - GO TO 4.
4.DETECT MALFUNCTIONING ITEM
1. Disassemble A/T. Disassembly .
2. Check the following items:
- Forward clutch assembly. Forward And Overrun Clutches .
- Overrun clutch assembly. Forward And Overrun Clutches .
- Reverse clutch assembly. Reverse Clutch .
OK or NG
OK - GO TO 5.
NG - Repair or replace damaged parts.
5.CHECK SYMPTOM
Check again. Check At Idle .
OK or NG
OK - INSPECTION END
NG - GO TO 6.
6.CHECK TCM
1. Check TCM input/output signals. TCM Terminal And Reference Value .
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK - INSPECTION END
NG - Repair or replace damaged parts.