How To Proceed With Troubleshooting

U151F AUTOMATIC TRANSAXLE SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

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.
- The intelligent tester can be 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 the OBD II scan tool or intelligent tester to DLC3
NEXT -- Continue to next step.
4. Check and Clear DTCs 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.

-- Symptom does not occur: Go to step 8
-- Symptom occurs: Go to step 9
8. Symptom Simulation
How To Proceed With Troubleshooting.

NEXT -- Continue to next step.
9. DTC Check
DTC Check / Clear.

-- DTC is not output: Go to step 10
-- DTC is output: Go to step 17
10. Basic InspectionProcedures, and Adjustments).

NG -- Go to step 19
OK -- Continue to next step.
11. Mechanical System Test
Mechanical Systems 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
-- Go to step 19
17. DTC Chart
Automatic Transaxle System.

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