How to Proceed With Troubleshooting

U250E AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSAXLE SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* The ECM of this system is connected to the CAN and multiplex communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN and multiplex communication systems.
* *: Use Techstream
1. Vehicle Brought to Workshop

NEXT -- Continue to next step.

2. Customer Problem Analysis

NEXT -- Continue to next step.

3. Connect Techstream to the DLC3*

NEXT -- Continue to next step.

4. Check and Clear DTCs and Freeze Frame Data*

HINT
DTC Check / Clear

NEXT -- Continue to next step.

5. Visual Inspection

NEXT -- Continue to next step.

6. Setting the Check Mode Diagnosis*

HINT
Check Mode Procedure

NEXT -- Continue to next step.

7. Problem Symptom Confirmation

HINT
Road Test

-- Symptom does not occur: Go to step 8

-- Symptom occurs: Go to step 9

8. Symptom Simulation

HINT
How To Proceed With Troubleshooting

NEXT -- Continue to next step.

9. DTC Check*

HINT
DTC Check / Clear

-- DTC is not output: Go to step 10

-- DTC is output: Go to step 17

10. Basic Inspection

HINT
Procedures, Adjustments and Adjustments).

NG -- Go to step 19
OK -- Continue to next step.

11. Mechanical System Test

HINT
Mechanical System Tests

NG -- Go to step 16
OK -- Continue to next step.

12. Hydraulic Test

HINT
Hydraulic Test

NG -- Go to step 16
OK -- Continue to next step.

13. Manual Shifting Test

HINT
Manual Shifting Test

NG -- Go to step 15
OK -- Continue to next step.

14. Problem Symptoms Table Chapter 1

HINT
Symptom Related Diagnostic Procedures

NG -- Go to step 18
OK -- Continue to next step.

15. Problem Symptoms Table Chapter 2

HINT
Symptom Related Diagnostic Procedures

NEXT -- Continue to next step.

16. Part Inspection

-- Go to step 19

17. DTC Chart

HINT
Automatic Transaxle System - U250E

NEXT -- Continue to next step.

18. Circuit Inspection

NEXT -- Continue to next step.

19. Repair or Replace

NEXT -- Continue to next step.

20. Confirmation Test

NEXT -- End