Toyota 4Runner manuals

Toyota 4Runner: 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

All functions do not operate

Front power seat switch LH


Harness or connector

-

Only slide operation function does not operate

Front power seat switch LH


Separate type front seat cushion spring assembly (slide motor)


Harness or connector

-

Only front vertical operation function does not operate

Front power seat switch LH


Separate type front seat cushion spring assembly (front vertical motor)


Harness or connector

-

Only lifter operation function does not operate

Front power seat switch LH


Separate type front seat cushion spring assembly (lifter motor)


Harness or connector

-

Only reclining operation function does not operate

Front power seat switch LH


Separate type front seatback spring assembly (reclining motor)


Harness or connector

-

Only lumbar support operation function does not operate

Power seat switch assembly


Separate type front seatback spring assembly (lumbar support motor)


Harness or connector

-

Front Power Seat Control System (for Passenger Side)

Symptom

Suspected Area

See page

All functions do not operate

Front power seat switch RH


Harness or connector

-

Only slide operation function does not operate

Front power seat switch RH


Separate type front seat cushion spring assembly (slide motor)


Harness or connector

-

Only reclining operation function does not operate

Front power seat switch RH


Separate type front seatback spring assembly (reclining motor)


Harness or connector

-

Operation Check
OPERATION CHECK 1. CHECK FRONT POWER SEAT FUNCTION (a) Check the basic functions. Text in Illustration *a Sliding function *b Front vertical func ...

Front Seat Assembly(for Manual Seat)
...

Other materials about Toyota 4Runner:

Freeze Frame Data
FREEZE FRAME DATA 1. CHECK FREEZE FRAME DATA (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Navigation System / Trouble Codes. (e) Select a Troubl ...

Dtc Check / Clear
DTC CHECK / CLEAR 1. CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Smart Key / Trouble Codes. (e) Check for DTCs. 2. CLEAR DTC (a) Conn ...

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