Vehicle Does Not Creep Backward In R Position

Vehicle Does Not Creep Backward in R Position

SYMPTOM: The vehicle does not creep in the R position. Or an extreme lack of acceleration is observed.

DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT-92, SELF-DIAGNOSTIC RESULT MODE. Self-Diagnostic Result Mode
Refer to AT-102, "TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)". TCM Self-Diagnostic Procedure (No Tools)
Is any malfunction detected by self-diagnostic results?
YES >> Check the malfunctioning system.
NO >> GO TO 2.
2. CHECK CONTROL LINKAGE





Check the control linkage.
OK or NG
OK >> GO TO 3.
NG >> Adjust control linkage.
3. CHECK A/T FLUID LEVEL





Check A/T fluid level.
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4. CHECK STALL TEST





Check stall revolution with selector lever in M and R positions.
OK or NG
OK >> GO TO 6.
OK in M position, NG in R position >> GO TO 5.
NG in both M and R positions >> GO TO 8.
5. DETECT MALFUNCTIONING ITEM
1. Disassemble A/T.
2. Check the following.
- Reverse brake.
OK or NG
OK >> GO TO 9.
NG >> Repair or replace damaged parts.
6. CHECK LINE PRESSURE





Check the line pressure with the engine idling.
OK or NG
OK >> GO TO 9.
NG-1 >> Line pressure high: GO TO 7.
NG-2 >> Line pressure low: GO TO 8.
7. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM.
2. Disassemble A/T.
3. Check the following.
- Oil pump assembly.
OK or NG
OK >> GO TO 9.
NG >> Repair or replace damaged parts.
8. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM.
2. Disassemble A/T.
3. Check the following.
^ Oil pump assembly.
^ Power train system.
^ Transmission case.
OK or NG
OK >> GO TO 9.
NG >> Repair or replace damaged parts.
9. CHECK A/T FLUID CONDITION
1. Remove oil pan.





2. Check A/T fluid condition.
OK or NG
OK >> GO TO 10.
NG >> GO TO 13.
10. DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are damaged, repair or replace damaged parts.
OK or NG
OK >> GO TO 11.
NG >> Repair or replace damaged parts.
11. CHECK SYMPTOM
Check again.
OK or NG
OK >> INSPECTION END
NG >> GO TO 12.
12. CHECK TCM
1. Check TCM input/output signals.
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.
13. DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are damaged, repair or replace damaged parts.
OK or NG
OK >> GO TO 11.
NG >> Repair or replace damaged parts.