Toyota Tundra Service Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

*: Use the Techstream.

PROCEDURE

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(a) Interview the customer and confirm the problem.

Click here

NEXT

(a) Check and record DTCs and Freeze Frame Data.

for DTC Check / Clear: Click here

for Freeze Frame Data: Click here

(b) Clear the DTCs and Freeze Frame Data.

for DTC Check / Clear: Click here

for Freeze Frame Data: Click here

(c) Reconfirm the DTCs.

(1) Reconfirm the DTCs based on the recorded DTCs and Freeze Frame Data.

for DTC Check / Clear: Click here

for Freeze Frame Data: Click here

HINT:

• When CAN communication system DTCs are output, repair the CAN communication system first.

  Click here

  Click here

• If DTC U0100, U0123 and/or U0126 are among the CAN communication DTCs that are output, first use the Data List to check for a momentary open circuit.

  Click here

• If the Techstream cannot communicate with the skid control ECU (brake actuator assembly), inspect the CAN communication system.

  Click here

  Click here

• If there is no response from the skid control ECU (brake actuator assembly), inspect the +BS circuit of the skid control ECU (brake actuator assembly).

  Click here

B

GO TO STEP 5

C

GO TO STEP 6

A

(a) Proceed to Diagnostic Trouble Code Chart.

Click here

NEXT

GO TO STEP 7

(a) Proceed to How to Proceed with Troubleshooting.

Click here

NEXT

(a) Proceed to Problem Symptoms Table.

Click here

NEXT

NEXT

NEXT

NEXT

(a) Clear the DTCs.

Click here

(b) Check if the same DTCs are output.

Click here

B

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS

A

NEXT

END