Toyota Tundra Service Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

• Use these procedures to troubleshoot the lane departure alert system.
• *: Use the Techstream.

PROCEDURE

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(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

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Click here

OK:

CAN communication system is functioning normally.

NG

GO TO CAN COMMUNICATION SYSTEM

OK

(a) Check for DTCs and note any codes 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

B

GO TO DTC CHART

A

HINT:

Refer to Problem Symptoms Table.

Click here

B

GO TO STEP 8

A

(a) Terminals of ECU

Click here

(b) Data List / Active Test

Click here

NEXT

NOTICE:

• When the millimeter wave radar sensor assembly is replaced with a new one, adjustment of the radar sensor beam axis must be performed.

  Click here

• When the forward recognition camera is replaced with a new one, adjustment of the forward recognition camera optical axis must be performed.

  Click here

NEXT

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END