Toyota Tundra Service Manual: How To Proceed With Troubleshooting

Toyota Tundra Service Manual / Vehicle Interior / Meter / Gauge / Display / Meter / Gauge System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use these procedures to troubleshoot the meter / gauge system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage with the ignition switch off.

Standard voltage:

11 to 14 V

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

3.	CHECK FOR DTC*

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

Click here

(b) Clear the DTCs.

Click here

(c) Recheck for DTCs. Based on the DTCs output above, try to force output of the same CAN communication system DTC or meter / gauge system DTC by simulating the symptoms indicated by the DTC.

Result	Proceed to
DTC is not output	A
CAN communication system DTC is output	B
Meter / gauge system DTC is output	C

GO TO CAN COMMUNICATION SYSTEM

GO TO DIAGNOSTIC TROUBLE CODE CHART

4.	PROBLEM SYMPTOMS TABLE

(a) Refer to the 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

GO TO STEP 6

5.	OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU

Click here

(b) Data List/Active Test

Click here

6.	REPAIR OR REPLACE

7.	CONFIRMATION TEST

END

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