How to Proceed With Troubleshooting

AA80E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* The TCM of this system 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

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 the DTC CHECK / CLEAR DTC Check / Clear.

NEXT -- Continue to next step.

6. VISUAL INSPECTION

NEXT -- Continue to next step.

7. SETTING CHECK MODE DIAGNOSIS*

(a) Refer to the CHECK MODE PROCEDURE Check Mode Procedure.

NEXT -- Continue to next step.

8. PROBLEM SYMPTOM CONFIRMATION

(a) Refer to the ROAD TEST Road Test.

Result:





B -- GO TO STEP 10
A -- Continue to next step.

9. SYMPTOM SIMULATION

(a) Refer to the SYMPTOM SIMULATION How To Proceed With Troubleshooting.

NEXT -- Continue to next step.

10. DTC CHECK*

(a) Refer to the DTC CHECK / CLEAR DTC Check / Clear.

Result:





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

11. BASIC INSPECTION

(a) Refer to the AUTOMATIC TRANSMISSION FLUID AA80E Automatic Transmission.

(b) Refer to the PARK/NEUTRAL POSITION SWITCH AA80E Automatic Transmission.

(c) Refer to the FLOOR SHIFT ASSEMBLY AA80E Automatic Transmission.

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

12. MECHANICAL SYSTEM TESTS

(a) Refer to the MECHANICAL SYSTEM TESTS Mechanical System Tests.

NG -- GO TO STEP 17
OK -- Continue to next step.

13. HYDRAULIC TEST

(a) Refer to the HYDRAULIC TEST Hydraulic Test.

NG -- GO TO STEP 17
OK -- Continue to next step.

14. MANUAL SHIFTING TEST

(a) Refer to the 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 the PROBLEM SYMPTOMS TABLE AA80E Automatic Transmission System.

NG -- GO TO STEP 19
OK -- Continue to next step.

16. PROBLEM SYMPTOMS TABLE CHAPTER 2

(a) Refer to the PROBLEM SYMPTOMS TABLE AA80E Automatic Transmission System.

NEXT -- Continue to next step.

17. PART INSPECTION

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

18. DTC CHART

(a) Refer to the DIAGNOSTIC TROUBLE CODE CHART Automatic Transmission System - AA80E.

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