Toyota Tundra Service Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Front Power Seat Control System (for Driver Side)

Symptom

Suspected Area

See page

Front power seat does not operate with front power seat switch

Proceed to "Front Seat does not Operate with Front Power Seat Switch"

One or more power seat motors do not operate

Proceed to "One or more Power Seat Motors do not Operate"

Power seat position is not memorized

Proceed to "Power Seat Position is not Memorized"

Power seat does not return to memorized position

Proceed to "Power Seat does not Return to Memorized Position"

Wireless transmitter memory function does not operate

Proceed to "Wireless Transmitter Memory Function does not Operate"

Wireless-linked return function does not operate.

Proceed to "Wireless-linked Return Function does not Operate"

Power seat power easy access system function does not operate

Proceed to "Power Seat Power Easy Access System Function does not Operate"

Only lumbar support operation function does not operate

Harness or connector

-

Front power seat switch LH (lumbar support control)

Lumbar support adjuster assembly LH (lumbar motor)

Only leg support operation function does not operate

Harness or connector

-

Front power seat switch LH (seat cushion control)

Front seat cushion frame sub-assembly LH (leg motor)

Front Power Seat Control System (for Front Passenger Side)

Symptom

Suspected Area

See page

All functions do not operate

Harness or connector

-

Power seat switch assembly

Only slide operation function does not operate

Harness or connector

-

Power seat switch assembly

Front seat cushion frame sub-assembly RH (slide motor)

Only reclining operation function does not operate

Harness or connector

-

Power seat switch assembly

Front seatback frame sub-assembly RH (reclining motor)

Only lumbar support operation function does not operate

Harness or connector

-

Front power seat switch LH (lumbar support control)

Lumbar support adjuster assembly RH (lumbar motor)

    Power Seat Power Easy Access System Function does not Operate

    System Description

    See More:

    Toyota Tundra Service Manual > Sfi System: Evaporative Emission System Pressure Sensor - Manifold Absolute Pressure Correlation (P106A,P106B)
    DESCRIPTION DTC No. DTC Detection Condition Trouble Area P106A The pressure detected by the canister pressure sensor (Vapor Pressure Pump*) and the pressure detected by the manifold absolute pressure sensor (MAP*) differ by 7 kPa (54 mmHg) or more (2 trip detection logic) Canister pressure sensor (c ...

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