Toyota CH-R Service Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
  • If the problem only occurs in certain locations or at certain times of day, check for wave interference.
  • If the optional components are installed, check for wave interference from the components.
Immobiliser System

Symptom

Suspected Area

Link

Security indicator light does not blink

Proceed to "Security Indicator Light Does not Blink"

Immobiliser system does not operate properly

Proceed to "Immobiliser System does not Operate Properly"

Engine cannot be started*1

Certification ECU (Smart key ECU assembly)

ECM

-

SFI system

-

Power source mode cannot be changed*1

Engine switch

Certification ECU (Smart key ECU assembly)

-

Steering lock lock/unlock not possible*2

Steering lock ECU (Steering lock actuator or upper bracket assembly)

  • *1: Refer to Problem Symptoms Table for Smart Key System (for Start Function).
  • *2: Refer to Problem Symptoms Table for Steering Lock System.
    How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT HINT: Use this procedure to troubleshoot the immobiliser system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP ...

    Registration
    REGISTRATION PROCEDURE 1. CAUTION REGARDING INTERFERENCE WITH ELECTRONIC DEVICES CAUTION: People with implantable cardiac pacemakers, cardiac resynchronization therapy-pacemakers or im ...

    Other materials:

    Toyota CH-R Service Manual > Immobiliser System(w/o Smart Key System): Engine Immobiliser System Malfunction (B2799)
    DESCRIPTION The ECM stores this DTC when the communication line between the ECM and transponder key ECU assembly is malfunctioning or the communication ID of the ECM and transponder key ECU assembly do not match. DTC No. Detection Item DTC Detection Condition ...

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