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Vehicle Does Not Creep Forward In D Position

Vehicle Does Not Creep Forward In "D" Position
SYMPTOM: Vehicle does not creep forward when selecting "D" position.

DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT-96. "SELF-DIAGNOSTIC RESULT MODE", AT-107. "Diagnostic Procedure Without CONSULT-II".

Is any malfunction detected by self-diagnostic results?
YES >> Check the malfunctioning system. Refer to "SELF-DIAGNOSTIC RESULT MODE", "Judgement Self-Diagnosis Code".
NO >> GO TO 2.

3. CHECK CONTROL LINKAGE
Check the control linkage.
^ Refer to "Checking of A/T Position".

OK or NG
OK >> GO TO 3.
NG >> Adjust control linkage. Refer to AT-238, "Adjustment of A/T Position".

3. CHECK A/T FLUID LEVEL





Check A/T fluid level. Refer to "Checking A/T Fluid".

OK or NG
OK >> GO TO 4.
NG >> Refill ATF.

4. CHECK STALL TEST





Check stall revolution with selector lever in "D" position. Refer to "STALL TEST".

OK or NG
OK >> GO TO 5.
NG >> GO TO 7.

5. CHECK LINE PRESSURE





Check line pressure at idle with selector lever in "D" position. Refer "LINE PRESSURE TEST".

OK or NG
OK >> GO TO 8.
NG - 1 >> Line pressure high. GO TO 6.
NG - 2 >> Line pressure low. GO TO 7.

6. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to "Control Valve with TCM and A/T Fluid Temperature Sensor 2".
2. Disassemble A/T. Refer to "DISASSEMBLY".
3. Check the following.
^ Oil pump assembly.

OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.

7. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to "Control Valve with TCM and A/T Fluid Temperature Sensor 2".
2. Disassemble A/T. Refer to "DISASSEMBLY".
3. Check the following.
- Oil pump assembly.
- Power train system. Refer to "DISASSEMBLY".
- Transmission case. Refer to "DISASSEMBLY".

OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.

8. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to "Control Valve with TCM and A/T Fluid Temperature Sensor 2".





2. Check A/T fluid condition. Refer to "Fluid Condition Check".

OK or NG
OK >> GO TO 9.
NG >> GO TO 12.

9. DETECT MALFUNCTIONING ITEM
^ Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to "Symptom Chart" (Symptom No.43).

OK or NG
OK >> GO TO 10.
NG >> Repair or replace damaged parts.

10. CHECK SYMPTOM
Check again. Refer to "Check at Idle".

OK or NG
OK >> INSPECTION END
NG >> GO TO 11.

11. CHECK TCM
1. Check TCM input/output signals. Refer to "TCM Input/Output Signal Reference Values".
2. If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness connector.

OK or NG
OK >> INSPECTION END
NG >> Repair or replace damaged parts.

12. DETECT MALFUNCTIONING ITEM
^ Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to "Symptom Chart" (Symptom No.43).

OK or NG
OK >> GO TO 10.
NG >> Repair or replace damaged parts.