SLOW ENGAGING AFTER OPERATING SELECTOR LEVER FROM N TO D POSITION [GW6A-EL, GW6AX-EL]
id050320104500
|
TROUBLESHOOTING ITEM |
Slow engaging after operating selector lever from N to D position |
|---|---|
|
DESCRIPTION
|
• Slow engagement when depressing the accelerator pedal just after operating the selector lever from N to D position with the ATF temperature at 60 °C {140 °F} or more.
• Malfunction symptom only occurs once when accelerating from a standstill.
• Engagement after operating the selector lever from N to R position is normal.
• Engagement when shifting gears while driving is normal.
• DTCs are not stored.
|
|
POSSIBLE CAUSE
|
1. Insufficient TCM learning (Insufficient learning in N to D position)
2. Low clutch piston malfunction
3. Low clutch hydraulic system sealing malfunction
4. Control valve body malfunction
|
Diagnostic Procedure
|
Step |
Inspection |
Results |
Action |
|---|---|---|---|
|
1
|
VERIFY MALFUNCTION SYMPTOM
• Is the malfunction symptom at the same level compared to a vehicle of the same model?
|
Yes
|
Symptom troubleshooting is completed.
|
|
No
|
Go to the next step.
|
||
|
2
|
VERIFY DTCs
• Are any DTCs detected?
|
Yes
|
Repair the malfunctioning location according to the applicable DTC troubleshooting.
|
|
No
|
Go to the next step.
|
||
|
3
|
DETERMINE IF MALFUNCTION CAUSE IS AUTOMATIC TRANSAXLE INTERNAL MALFUNCTION
• Inspect the value at the following TCM PID using the M-MDS.
• Is AT_Assy displayed?
|
Yes
|
Replace the automatic transaxle.
|
|
No
|
Go to the next step.
|
||
|
4
|
PERFORM INITIAL LEARNING AND N TO D RANGE LEARNING
1. Perform the initial learning.
2. Perform the N to D position learning using the following procedure:
• Has the malfunction symptom been eliminated?
|
Yes
|
Complete the symptom troubleshooting.
|
|
No
|
Replace the automatic transaxle.
|