How to Proceed With Troubleshooting
A343E AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING
HINT
* The ECM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN communication system.
* *: Use the Techstream.
1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. CUSTOMER PROBLEM ANALYSIS
(a) Refer to How to Troubleshoot ECU Controlled Systems How To Proceed With Troubleshooting.
NEXT -- Continue to next step.
3. INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
NEXT -- Continue to next step.
4. CONNECT TECHSTREAM TO DLC3*
NEXT -- Continue to next step.
5. CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*
(a) Refer to DTC Check / Clear DTC Check / Clear.
NEXT -- Continue to next step.
6. VISUAL INSPECTION
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7. SETTING CHECK MODE DIAGNOSIS*
(a) Refer to Check Mode Procedure Check Mode Procedure.
NEXT -- Continue to next step.
8. PROBLEM SYMPTOM CONFIRMATION
(a) Refer to Road Test Road Test.
B -- GO TO STEP 10
A -- Continue to next step.
9. SYMPTOM SIMULATION
(a) Refer to Electronic Circuit Inspection Procedure Electronic Circuit Inspection Procedure.
NEXT -- Continue to next step.
10. DTC CHECK*
(a) Refer to DTC Check / Clear DTC Check / Clear.
B -- GO TO STEP 18
A -- Continue to next step.
11. BASIC INSPECTION
(a) Refer to Automatic Transmission Fluid Procedures.
(b) Refer to Park/Neutral Position Switch On-Vehicle Inspection.
(c) Refer to Shift Lever Assembly Reassembly.
NG -- GO TO STEP 21
OK -- Continue to next step.
12. MECHANICAL SYSTEM TESTS
(a) Refer to Mechanical System Tests Mechanical System Tests.
NG -- GO TO STEP 17
OK -- Continue to next step.
13. HYDRAULIC TEST
(a) Refer to Hydraulic Test Hydraulic Test.
NG -- GO TO STEP 17
OK -- Continue to next step.
14. MANUAL SHIFTING TEST
(a) Refer to Manual Shifting Test Manual Shifting Test.
NG -- GO TO STEP 16
OK -- Continue to next step.
15. PROBLEM SYMPTOMS TABLE CHAPTER 1
(a) Refer to Problem Symptoms Table Symptom Related Diagnostic Procedures.
NG -- GO TO STEP 19
OK -- Continue to next step.
16. PROBLEM SYMPTOMS TABLE CHAPTER 2
(a) Refer to Problem Symptoms Table Symptom Related Diagnostic Procedures.
NEXT -- Continue to next step.
17. PART INSPECTION
NG -- GO TO STEP 21
OK -- Continue to next step.
18. DTC CHART
(a) Refer to Diagnostic Trouble Code Chart Automatic Transmission System - A343E.
NEXT -- Continue to next step.
19. CIRCUIT INSPECTION
NEXT -- Continue to next step.
20. IDENTIFICATION OF PROBLEM
NEXT -- Continue to next step.
21. REPAIR OR REPLACE
NEXT -- Continue to next step.
22. CONFIRMATION TEST
NEXT -- END