How to Proceed With Troubleshooting

A340E 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 that there is no trouble in the CAN and multiplex communication system.
- Techstream is used at steps 3, 4, 6, and 9.

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 DTC and Freeze Frame Data (DTC Check / Clear)
NEXT -- Continue to next step.
5. Visual Inspection
NEXT -- Continue to next step.
6. Setting the Check Mode Diagnosis (Check Mode Procedure)
NEXT -- Continue to next step.
7. Problem Symptom Confirmation (Road Test)





B -- Go to step 9
A -- Continue to next step.
8. Symptom Simulation
NEXT -- Continue to next step.
9. DTC Check (DTC Check / Clear)





B -- Go to step 17
A -- Continue to next step.
10. Basic Inspection (Procedures), and (Adjustments))
NG -- Go to step 19
OK -- Continue to next step.
11. Mechanical System Tests (Mechanical System Tests)
NG -- Go to step 16
OK -- Continue to next step.
12. Hydraulic Test (Hydraulic Test)
NG -- Go to step 16
OK -- Continue to next step.
13. Manual Shifting Test (Manual Shifting Test)
NG -- Go to step 15
OK -- Continue to next step.
14. Problem Symptoms Table Chapter 1 (Symptom Related Diagnostic Procedures)
NG -- Go to step 18
OK -- Continue to next step.
15. Problem Symptoms Table Chapter 2 (Symptom Related Diagnostic Procedures)
NEXT -- Continue to next step.
16. Part Inspection
NEXT -- Continue to next step.
17. DTC Chart (Diagnostic Trouble Code Descriptions)
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