Toyota Tundra Service Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Perform the following procedure to troubleshoot the cruise control system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard Voltage:

11 to 14 V

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

NEXT

3.

CHECK CAN COMMUNICATION SYSTEM*

(a) Using the Techstream, check that the CAN communication system is functioning normally.

OK:

CAN communication system is functioning normally.

HINT:

Refer to CAN Bus Check in CAN Communication System.

Click here

NG

GO TO CAN COMMUNICATION SYSTEM

OK

4.

CHECK METER / GAUGE SYSTEM*

(a) Use the Techstream to check if the meter / gauge system is functioning normally.

Click here

Result

Proceed to

Meter / gauge system DTCs are not output

A

Meter / gauge system DTCs are output

B

B

GO TO METER / GAUGE SYSTEM

A

5.

CHECK VEHICLE STABILITY CONTROL SYSTEM*

(a) Use the Techstream to check if the vehicle stability control system is functioning normally.

Click here

Result

Proceed to

Vehicle stability control system DTCs are not output

A

Vehicle stability control system DTCs are output

B

B

GO TO VEHICLE STABILITY CONTROL SYSTEM

A

6.

CHECK FOR DTCs (CRUISE CONTROL SYSTEM)*

(a) Check for DTCs, and note down any DTCs that are output.

Click here

(b) Clear the DTCs.

Click here

(c) Recheck for DTCs. Try to reproduce the DTCs by duplicating the conditions indicated by the DTCs.

Click here

Result

Proceed to

DTCs are not output

A

DTCs are output

B

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

A

7.

PROBLEM SYMPTOMS TABLE

HINT:

Refer to Problem Symptoms Table.

Click here

Result

Proceed to

Fault is not listed in Problem Symptoms Table

A

Fault is listed in Problem Symptoms Table

B

B

GO TO STEP 9

A

8.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Data List / Active Test

Click here

(b) Road test

Click here

(c) Terminals of ECU

Click here

NEXT

9.

REPAIR OR REPLACE

NEXT

10.

CONFIRMATION TEST

NEXT

END

    Freeze Frame Data

    Brake Switch "A" Circuit (P0571)

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