Vehicle Does Not Creep Backward In "R" Position

SYSTEM SYMPTOM


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 Diagnosis System (TCM).
Do the self-diagnostic results indicate accelerator pedal position sensor, high and low reverse clutch solenoid valve, CAN communication line, PNP switch?
YES - Check the malfunctioning system. Refer to P1705, P1767, P0705, A/T Control System.
NO - GO TO 2.
2.CHECK CONTROL CABLE





Check the control cable.
- Refer to Checking of A/T Position.
OK or NG
OK - GO TO 3.
NG - Adjust control cable. Refer to Adjustment of A/T Position Checking of A/T Position, "Adjustment of A/ T Position".
3.CHECK A/T FLUID LEVEL





Check A/T fluid level. Refer to Checking The A/T Fluid (ATF).
OK or NG
OK - GO TO 4.
NG - Refill ATF.
4.CHECK STALL TEST
Check stall revolution with selector lever in "1" and "R" positions.





Refer to Stall Test.
OK or NG
OK - GO TO 6.
OK in "1" position, NG in "R" position>>GO TO 5.
NG in both "1" and "R" positions>>GO TO 8.
5.DETECT MALFUNCTIONING ITEM
1. Disassemble A/T. Refer to Disassembly.
2. Check the following items:
- Reverse brake. Refer to Disassembly.
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. Refer to Line Pressure Test.
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. Refer to Service and Repair.
2. Disassemble A/T. Refer to Disassembly.
3. Check the following items:
- Oil pump assembly. Refer to Oil Pump.
OK or NG
OK - GO TO 9.
NG - Repair or replace damaged parts.
8.DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to Service and Repair.
2. Disassemble A/T. Refer to Disassembly.
3. Check the following items:
- Oil pump assembly. Refer to Oil Pump.
- Power train system. Refer to Disassembly.
- Transmission case. Refer to Disassembly.
OK or NG
OK - GO TO 9.
NG - Repair or replace damaged parts.
9.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to Service and Repair.





2. Check A/T fluid condition. Refer to Checking The A/T Fluid (ATF), "Checking the A/T
Fluid (ATF)".
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. Refer to Symptom Table (Symptom No.43).
OK or NG
OK - GO TO 11.
NG - Repair or replace damaged parts.
11.CHECK SYMPTOM
Check again. Refer to Initial Inspection and Diagnostic Overview.
OK or NG
OK >> INSPECTION END
NG - GO TO 12.
12.PERFORM TCM INSPECTION
1. Perform TCM input/output signals inspection. Refer to Service and Repair.
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. Refer to Symptom Table (Symptom No.43).
OK or NG
OK - GO TO 11.
NG - Repair or replace damaged parts.