In "N" Position, Vehicle Moves
In "N" Position, Vehicle MovesSYMPTOM: Vehicle moves forward or backward when selecting "N" position.
DIAGNOSTIC PROCEDURE
1. CHECK A/T POSITION
Check A/T position. Refer to AT-207, "Checking of A/T Position". Procedures
OK or NG
OK >> GO TO 2.
NG >> Adjust A/T position. Refer to AT-207, "Adjustment of A/T Position". Adjustments
2. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to MA-22, "Checking A/T Fluid".
OK or NG
OK >> GO TO 3.
NG >> Refill ATF.
3. CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition. Refer to AT-48, "Inspections Before Trouble Diagnosis". Inspections Before Trouble Diagnosis
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. DETECT MALFUNCTIONING ITEM
1. Disassemble A/T.
2. Check the following items:
- Forward clutch assembly.
- Overrun clutch assembly.
- Reverse clutch assembly.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5. CHECK SYMPTOM
Check again. Refer to AT-53, "Check at Idle". Road Test
OK or NG
OK >> INSPECTION END
NG >> GO TO 6.
6. CHECK TCM
1. Check TCM input/output signals. Refer to AT-71, "TCM Terminal and Reference Value". RE4F03B 4 Speed Automatic Transmission
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.