NO.5 NO CREEP AT ALL [JA5A-EL]


BME050301030241

5

No creep at all

DESCRIPTION

• Vehicle does not move in D, S, L ranges, or R position when idling on flat paved road.

POSSIBLE CAUSE

• Either engine output low or there is clutch circuit slippage.
1. Clutch burnt
• Line pressure low
• Shift solenoid A, B, or C malfunction
• Body GND malfunction
• Control valve body malfunction
2. Transaxle fixed in 4GR (Operation of fail-safe function)
• Short or open circuit in wiring harness
• Poor connection of connector
• Malfunction of electronic parts of output and input system
3. There is no engine torque
• Torque converter malfunction
Note
• Before following the troubleshooting steps, make sure that the Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted.

Diagnostic procedure

STEP

INSPECTION

ACTION

1
Does the vehicle creep in P and/or N position?
Yes
Inspect or adjust the selector lever.
No
Go to the next step.
2
Stop the engine.
Inspect the pressure control solenoid circuit.
Is it normal?
Yes
Go to the next step.
No
Inspect for stuck pressure control solenoid.
If pressure control solenoid is normal, inspect for open or short circuit between TCM terminal 2Y and pressure control solenoid terminal D.
3
Remove the torque converter.
Inspect the torque converter.
(See ATX Workshop Manual.)
Is the torque converter normal?
Yes
Overhaul the control valve body and repair or replace any malfunctioning parts.
(See ATX Workshop Manual.)
If any problem remains, replace or overhaul the transaxle and repair or replace any malfunctioning parts.
(See ATX Workshop Manual.)
No
Replace the torque converter.
4
• Verify the test results.
- If normal, return to the diagnostic index to service any additional symptoms.
- If the malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis.
• If the vehicle is repaired, troubleshooting is completed.
• If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM.