Toyota Tundra Service Manual: How To Proceed With Troubleshooting

Toyota Tundra Service Manual / Vehicle Interior / Lighting / Lighting System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use the following procedure to troubleshoot the lighting system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	VEHICLE BROUGHT TO WORKSHOP

3.	INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard voltage:

11 to 14 V

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

4.	CHECK CAN COMMUNICATION SYSTEM*

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

Click here

OK:

CAN communication system DTCs are not output.

GO TO CAN COMMUNICATION SYSTEM

5.	CHECK FOR DTC*

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

Click here

(b) Clear the DTCs.

Click here

OK:

DTCs are not output.

GO TO DIAGNOSTIC TROUBLE CODE CHART

6.	PROBLEM SYMPTOMS TABLE

(a) 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

ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE

7.	OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation Check

Click here

(b) Terminals of ECU

Click here

8.	ADJUST, REPAIR OR REPLACE

9.	CONFIRMATION TEST

END

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Toyota Tundra Service Manual: How To Proceed With Troubleshooting

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