ELECTRONIC CONTROLLED AUTOMATIC TRANSMISSION SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

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When using intelligent tester, troubleshoot according to procedures below

HINT:

*: Use the intelligent tester.

1.VEHICLE BROUGHT TO WORKSHOP

NEXT

2.CUSTOMER PROBLEM ANALYSIS

NEXT

3.INSPECT BATTERY VOLTAGE

Standard:: 11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

NEXT

4.CONNECT INTELLIGENT TESTER TO DLC3*

NEXT

5.CHECK AND CLEAR DTC AND FREEZE FRAME DATA*

NEXT

6.VISUAL INSPECTION

NEXT

7.SETTING CHECK MODE DIAGNOSIS*

Refer to the check mode procedure (Click here).

NEXT

8.PROBLEM SYMPTOM CONFIRMATION

Refer to the road test (Click here).

Result:

Result	Proceed to
Symptom does not occur	A
Symptom occurs	B

GO TO STEP 10

A

9.SYMPTOM SIMULATION

Refer to the electronic circuit inspection procedure (Click here).

NEXT

10.DTC CHECK*

Refer to the DTC check / clear (Click here).

Result:

Result	Proceed to
DTC is not output	A
DTC is output	B

GO TO STEP 19

A

11.BASIC INSPECTION

Refer to the automatic transmission fluid (Click here).

Refer to the park / neutral position switch (Click here).

Refer to the floor shift assembly (Click here).

NG.

GO TO STEP 20

OK

12.MECHANICAL SYSTEM TEST

Refer to the mechanical system test (Click here).

NG.

GO TO STEP 17

OK

13.HYDRAULIC TEST

Refer to the hydraulic test (Click here).

NG.

GO TO STEP 17

OK

14.MANUAL SHIFTING TEST

Refer to the manual shifting test (Click here).

NG.

GO TO STEP 16

OK

15.PROBLEM SYMPTOMS TABLE CHAPTER 1

Refer to the problem symptoms table (Click here).

NG.

GO TO STEP 20

OK

16.PROBLEM SYMPTOMS TABLE CHAPTER 2

Refer to the problem symptoms table (Click here).

NG.

GO TO STEP 18

OK

17.PROBLEM SYMPTOMS TABLE CHAPTER 3

Refer to the problem symptoms table (Click here).

NG

18.PART INSPECTION

NG.

GO TO STEP 20

OK

19.DTC CHART

Refer to the diagnostic trouble code chart (Click here).

NEXT

20.CIRCUIT INSPECTION

NEXT

21.REPAIR OR REPLACE

NEXT

22.CONFIRMATION TEST

NEXT

END

When not using intelligent tester, troubleshoot according to procedures below

HINT:

*: Use the intelligent tester.

1.VEHICLE BROUGHT TO WORKSHOP

NEXT

2.CUSTOMER PROBLEM ANALYSIS

NEXT

3.INSPECT BATTERY VOLTAGE

Standard:: 11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

NEXT

4.CHECK AND CLEAR DTC*

NEXT

5.VISUAL INSPECTION

NEXT

6.SETTING CHECK MODE DIAGNOSIS*

NEXT

7.PROBLEM SYMPTOM CONFIRMATION

Result:

Result	Proceed to
Symptom does not occur	A
Symptom occurs	B

GO TO STEP 9

A

8.SYMPTOM SIMULATION

NEXT

9.DTC CHECK*

Result:

Result	Proceed to
DTC is not output	A
DTC is output	B

GO TO STEP 18

A

10.BASIC INSPECTION

NG.

GO TO STEP 19

OK

11.MECHANICAL SYSTEM TEST

NG.

GO TO STEP 16

OK

12.HYDRAULIC TEST

NG.

GO TO STEP 16

OK

13.MANUAL SHIFTING TEST

NG.

GO TO STEP 15

OK

14.PROBLEM SYMPTOMS TABLE CHAPTER 1

NG.

GO TO STEP 19

OK

15.PROBLEM SYMPTOMS TABLE CHAPTER 2

NG.

GO TO STEP 17

OK

16.PROBLEM SYMPTOMS TABLE CHAPTER 3

NG

17.PART INSPECTION

NG.

GO TO STEP 20

OK

18.DTC CHART

NEXT

19.CIRCUIT INSPECTION

NEXT

20.REPAIR OR REPLACE

NEXT

21.CONFIRMATION TEST

NEXT

END