Toyota Tundra Service Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

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.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS

(a) Refer to the How to Troubleshoot ECU Controlled Systems in Introduction section.

Click here

NEXT

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

4.

CONNECT TECHSTREAM TO DLC3*

NEXT

5.

CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*

(a) Refer to DTC Check/Clear.

Click here

NEXT

6.

VISUAL INSPECTION

NEXT

7.

SELECT CHECK MODE DIAGNOSIS*

(a) Refer to the Check Mode Procedure.

Click here

NEXT

8.

PROBLEM SYMPTOM CONFIRMATION

(a) Refer to the Road Test.

Click here

Result

Proceed to

Symptom does not occur

A

Symptom occurs

B

B

GO TO STEP 10

A

9.

SYMPTOM SIMULATION

(a) Refer to the Electronic Circuit Inspection Procedure.

Click here

NEXT

10.

DTC CHECK*

(a) Refer to DTC Check/Clear.

Click here

Result

Proceed to

DTC is not output

A

DTC is output

B

B

GO TO STEP 18

A

11.

BASIC INSPECTION

(a) Refer to Park/Neutral Position Switch.

Click here

(b) Refer to Shift Lever Assembly.

  • For Column Shift Type, refer to the following procedures.

    Click here

  • For Floor Shift Type, refer to the following procedures.

    Click here

NG

GO TO STEP 21

OK

12.

MECHANICAL SYSTEM TESTS

(a) Refer to the Mechanical System Tests.

Click here

NG

GO TO STEP 17

OK

13.

HYDRAULIC TEST

(a) Refer to the Hydraulic Test.

Click here

NG

GO TO STEP 17

OK

14.

MANUAL SHIFTING TEST

(a) Refer to the Manual Shifting Test.

Click here

NG

GO TO STEP 16

OK

15.

PROBLEM SYMPTOMS TABLE CHAPTER 1

(a) Refer to the Problem Symptoms Table.

Click here

NG

GO TO STEP 19

OK

16.

PROBLEM SYMPTOMS TABLE CHAPTER 2

(a) Refer to the Problem Symptoms Table.

Click here

NEXT

17.

PART INSPECTION

NG

GO TO STEP 21

OK

18.

DTC CHART

(a) Refer to the Diagnostic Trouble Code Chart.

Click here

NEXT

19.

CIRCUIT INSPECTION

NEXT

20.

IDENTIFICATION OF PROBLEM

NEXT

21.

REPAIR OR REPLACE

NEXT

22.

CONFIRMATION TEST

NEXT

END

    Fail-safe Chart

    Hydraulic Test

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