Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: System Description

SYSTEM DESCRIPTION

LOAD OPERATION OUTPUT

(a) Load is turned on or off according to the operation signals and switch signals from each ECU.

Components

Power Distribution Box Assembly

Rear Window Defogger

Back-up Light

Dome Cut

Tail Light

Front Fog Light*1

Panel Illumination

Passenger Seat Buckle Switch Delegated Input

Passenger Seat Occupant Detection Sensor Delegated Input

Rear Seat RH Buckle Switch Delegated Input

Rear Seat CTR Buckle Switch Delegated Input

Rear Seat LH Buckle Switch Delegated Input

IGR Relay*2

+BA Relay

  • *1: w/ Front Fog Light
  • *2: w/o Smart Key System

SEMICONDUCTOR FUSE FUNCTION

(a) When a malfunction current occurs during load operation, the current is shut off before the electrical lines emit smoke, and then load is turned off. After the current is shut off, the off condition is maintained until the operation signals or switch signals turn off.

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     How To Proceed With Troubleshooting

    CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the power integration system. *: Use the GTS. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP

     Utility

    UTILITY ALL READINESS (a) Power Distribution Box Assembly Body Electrical > Power Distribution Box > Utility Tester Display All Readiness

     Problem Symptoms Table

    PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of the problem symptom. If multiple suspected areas are listed, the potential causes of the symptoms are listed in orde

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     Removal

    REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL) Procedure Part Name Code 1 REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY WITH REAR DOOR ARMREST BASE PANEL - - - 2 REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY 84810D - - -

     Linear Solenoid (C1298)

    DESCRIPTION Based on the signals from each sensor, the 4WD ECU assembly controls the transmitted torque of the 4WD linear solenoid (transmission coupling assembly). This enables driving force distribution to be optimized according to the driving conditions. DTC No. Detect

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