Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: 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

Symptom

Suspected Area

Link

All functions do not operate

Front power seat switch LH

Wire harness or connector

-

Only slide function does not operate

Front power seat switch LH

Slide motor (Front seat adjuster assembly LH)

Wire harness or connector

-

Only front vertical function does not operate

Front power seat switch LH

Power seat tilt motor assembly LH

Wire harness or connector

-

Only lifter function does not operate

Front power seat switch LH

Power seat lifter motor assembly LH

Wire harness or connector

-

Only reclining function does not operate

Front power seat switch LH

Reclining motor (Front seatback frame sub-assembly LH)

Wire harness or connector

-

Only lumbar support adjustment function does not operate

Front power seat switch LH

Lumbar support adjuster assembly LH

Wire harness or connector

-

    READ NEXT:

     Front Seat Assembly (for Manual Seat)

     Precaution

    PRECAUTION HINT: The following procedures are used to prevent wrinkles from forming when installing the seat cover. Make sure to follow the procedures correctly. The shape of the seat s

     Removal

    REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL) Procedure Part Name Code 1 PRECAUTION - - - 2 DISCONNECT CABLE FROM NEGATIV

    SEE MORE:

     Front Right Air Mix Damper Control Servo Motor Actuator Stuck Off (B145B7F)

    DESCRIPTION The No. 1 air conditioning radiator damper servo sub-assembly sends pulse signals to inform the air conditioning amplifier assembly of the damper position. The air conditioning amplifier assembly activates the motor (normal or reverse) based on these signals to move the air outlet damper

     Inspection

    INSPECTION PROCEDURE 1. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY LH (a) Measure the resistance according to the value(s) in the table below. *a Component without harness connected (Front Seat Cushion Heater Assembly LH) - - Standard Resistance: Tester Connectio

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