Toyota Tundra Service Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use the following procedures to troubleshoot the climate control seat system.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

INSPECT BATTERY VOLTAGE

Standard Voltage:

11 to 14 V

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

NEXT

3.

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

B

GO TO STEP 5

A

4.

OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Terminals of ECU

Click here

NEXT

5.

ADJUST, REPAIR OR REPLACE

NEXT

6.

CONFIRMATION TEST

NEXT

END

    Climate Control Seat System

    Operation Check

    See More:

    Toyota Tundra Service Manual > Dynamic Radar Cruise Control System: Terminals Of Ecu
    TERMINALS OF ECU CHECK ECM (for 1UR-FE) HINT: The standard voltage, resistance and waveform between each pair of the ECM terminals is shown in the table below. The appropriate conditions for checking each pair of the terminals is also indicated. The result of checks should be compared with the stand ...

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