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How to Proceed With Troubleshooting





A760H AUTOMATIC TRANSMISSION: ELECTRONIC CONTROLLED AUTOMATIC TRANSMISSION 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 system.
* *: Use the Techstream.
1. Vehicle Brought to Workshop

NEXT -- Continue to next step.

2. Customer Problem Analysis

NEXT -- Continue to next step.

3. Connect Techstream to DLC3*

NEXT -- Continue to next step.

4. Check and Clear DTCs and Freeze Frame Data*

NEXT -- Continue to next step.

5. Visual Inspection

NEXT -- Continue to next step.

6. Setting the Check Mode Diagnosis*

NEXT -- Continue to next step.

7. Problem Symptom Confirmation

-- Symptom does not occur: Go to step 8

-- Symptom occurs: Go to step 9

8. Symptom Simulation

NEXT -- Continue to next step.

9. DTC Check*

-- DTC is not output: Go to step 10

-- DTC is output: Go to step 17

10. Basic Inspection

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

11. Mechanical System Test

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

12. Hydraulic Test

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

13. Manual Shifting Test

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

14. Problem Symptoms Table Chapter 1

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

15. Problem Symptoms Table Chapter 2

NEXT -- Continue to next step.

16. Part Inspection

-- Go to step 19

17. DTC Chart

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