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Automatic Transaxle System - General Information: Troubleshooting: Troubleshooting: Notes

symptoms Suspected areas Remedy
Delayed shifting/shift shock while driving 1st → 2nd or 2nd → 1st
  1. 28, OD & LR solenoid valve fault

    (If shifting 4th to 5th operates as normal, replace 28 solenoid valve)

  2. 28, LR brake fault
  1. Replace the faulty solenoid valve
  2. Check for the clutch/brake abnormality
    • Disc damage
    • Piston D-ring damage
    • Clutch sealing damage
* Replace the transaxle assembly when the clutch/brake damaged* When a shift shock occurs, check the shift position in manual mode and reproduce the symptoms.
2nd → 3rd or 3rd → 2nd
  1. 37R, 28 solenoid valve fault

    (If shifting 1st to 2nd operates as normal, replace 37R solenoid valve)

  2. 37R, 28 clutch fault
3rd → 4th or 4th → 3rd
  1. 46, 37R solenoid valve fault

    (If shifting 2nd to 3rd operates as normal, replace 46 solenoid valve)

  2. 46, 37R clutch fault
4th → 5th or 5th → 4th
  1. OD & LR, 46 solenoid valve fault

    (If shifting 3rd to 4th operates as normal, replace OD solenoid valve)

  2. OD, 46 clutch fault
5th → 6th or 6th → 5th
  1. 46, OD & LR solenoid valve fault

    (If shifting 4th to 5th operates as normal, replace 46 solenoid valve)

  2. 46, OD clutch fault
6th → 7th or 7th → 6th
  1. 37R, 46 solenoid valve fault

    (If shifting 4th to 5th operates as normal, replace 37R solenoid valve)

  2. 37R, 46 clutch fault
7th → 8th or 8th → 7th
  1. 28, 37R solenoid valve fault

    (If shifting 3rd to 4th operates as normal, replace 28 solenoid valve)

  2. 28, 37R clutch fault
Shifting shock while stopped N → D/N → R
  1. D position: UD solenoid valve fault
  2. R position: 37R solenoid valve fault
  3. UD/37R clutch fault
  1. Replace UD solenoid valve
  2. Replace 37R solenoid valve
  3. Inspect UD/37R clutch
Thumping noise P → D Sound occurs when the parking sprague is released Normal
Vibrating while stopped (in the N position) N UD solenoid valve fault Replace the UD solenoid valve
Delay/jerk when the damper is engaged
  1. ECM/TCM mapping
  2. The damper clutch solenoid valve fault
  3. Torque converter oil flow path pressure leakage
  4. The Oil Level Low
 Check the current state using the dirogger
  1. The ECM/TCM update
  2. Replace the valve body assembly
  3. Replace the torque converter and the inspect oil level
Blinking the cluster gear position lamp Oil pressure characteristics values not entered Enter the oil pressure characteristics values
  Mechanical limp home mode
(locked into 5th)		 The solenoid valve fault Replace the faulty solenoid valve
TCM fault Replace the TCM
CAN communication fault Inspect the CAN communication line
The position switch fault Replace the position switch
Inspect the position switch connector connection
  Limp home mode
(locked into 5th, 2nd - 5th manual shift enabled)		 Input & output speed sensor fault Replace the speed sensor
The connector connection fault Inspect the main connector connection
Replace the main harness
  Manual shift disabled TCM fault Replace the TCM
The Connector connection fault Check shift lever connector connection
The manual mode switch fault Replace the shift lever
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