NO.5 NO CREEP AT ALL (EXCEPT FOR GENERAL (L.H.D.) SPECS. SPORT AT) [FN4A-EL]


id0503a18010a6

5

No creep at all

DESCRIPTION

• Vehicle does not move in D, S*1, L*1, M*2 ranges, and R position when idling on flat paved road.

POSSIBLE CAUSE

• Either transaxle is stuck in 3GR or 4GR position, or clutch circuit slippage due to a stuck 3-4 clutch is stuck.
1. Clutch burned
• Line pressure low
• Shift solenoid D malfunction
• Shift solenoid A malfunction
• Shift solenoid B malfunction
• Shift solenoid C malfunction
• Pressure control solenoid malfunction
• Body GND malfunction
• Control valve body malfunction
2. Transaxle fixed in 3GR (Operation of fail-safe function)
• Short or open circuit in wiring
• Poor connection of connector
• The electronic parts of output and input system is malfunction
3. The engine torque is not start
• Torque converter is malfunction
Note
• Before following troubleshooting steps, make sure that Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted.

Diagnostic procedure

STEP

INSPECTION

ACTION

1
• Does vehicle creep in any range/position?
Yes
Go to next step.
No
Inspect or adjust selector lever.
2
Check the value at the following PID using the WDS or equivalent.
• TP
Is PID value okay?
Yes
Go to next step.
No
Repair or replace any defective parts.
3
Disconnect PCM.
Is resistance between ground terminal at PCM connector and body ground less than 5.0 ohms?
Yes
Go to next step.
No
Repair open ground circuit.
4
Check LPS PID value.
Is LPS PID value okay?
Yes
Overhaul control valve body and repair or replace any defective parts. (See ATX workshop manual (FN4A-EL) [1623-10-98E].)
If problem remains, overhaul transaxle and repair or replace any defective parts. (See ATX workshop manual (FN4A-EL) [1623-10-98E].)
No
Repair or replace any defective parts.
5
• Verify test results.
- If okay, return to diagnostic index to service any additional symptoms.
- If malfunction remains, inspect related Service informations and perform repair or diagnosis.
- If vehicle not repaired, trouble shooting completed.
- If vehicle not repaired or additional diagnostic information not available, replace PCM.

*1 :
4AT
*2 :
Sport AT