How to Proceed With Troubleshooting

U760E AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSAXLE SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* The TCM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be 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 in the Introduction section 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 Reading and Clearing Diagnostic Trouble Codes.

NEXT -- Continue to next step.

6. VISUAL INSPECTION

NEXT -- Continue to next step.

7. SELECT CHECK MODE AND PERFORM 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.

Result





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 Reading and Clearing Diagnostic Trouble Codes.

Result





B -- GO TO STEP 18
A -- Continue to next step.

11. BASIC INSPECTION

(a) Refer to Automatic Transaxle Fluid Service and Repair.

(b) Refer to Park/Neutral Position Switch On-Vehicle Inspection.

(c) Refer to Shift Lever On-Vehicle Inspection.

NG -- GO TO STEP 21
OK -- Continue to next step.

12. MECHANICAL SYSTEM TEST*

(a) Refer to Mechanical System Test 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. COMPONENT INSPECTION

NG -- GO TO STEP 21
OK -- Continue to next step.

18. DTC CHART

(a) Refer to Diagnostic Trouble Code Chart Automatic Transaxle System - U760E.

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