Toyota Tundra Service Manual: How To Proceed With Troubleshooting

Toyota Tundra Service Manual / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

(a) Interview the customer and confirm the problem.

Click here

3.	CHECK DTC AND FREEZE FRAME DATA*

(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

(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

Result	Proceed to
DTCs are output.	A
DTCs are not output. (Problem symptom does not occur.)	B
DTCs are not output. (Problem symptom occurs.)	C

GO TO STEP 5

GO TO STEP 6

4.	DIAGNOSTIC TROUBLE CODE CHART

(a) Proceed to Diagnostic Trouble Code Chart.

Click here

GO TO STEP 7

5.	SYMPTOM SIMULATION

(a) Proceed to How to Proceed with Troubleshooting.

Click here

6.	PROBLEM SYMPTOMS TABLE

(a) Proceed to Problem Symptoms Table.

Click here

7.	CIRCUIT INSPECTION*

8.	IDENTIFICATION OF PROBLEM

9.	REPAIR OR REPLACEMENT

10.	RECONFIRM DTC*

(a) Clear the DTCs.

Click here

(b) Check if the same DTCs are output.

Click here

Result	Proceed to
DTCs are not output.	A
DTCs are output.	B

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS

11.	CONFIRMATION TEST*

END

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Toyota Tundra Service Manual: How To Proceed With Troubleshooting

Freeze Frame Data

Parts Location

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