Toyota CH-R 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.
Voice Guidance

Symptom

Suspected Area

Link

"Communication Module failure detected, please contact your dealer" message is played

Refer to HEALTH CHECK

Diagnostic Trouble Code Chart

(Red Indicator has failed and cannot indicate a failure)

"Communication Module Activation Failed" message is played

Contact Telematics Service Provider to verify any network problems

-

Wait for a while, then move to different location and retry (try to find location with better signal reception)

-

Refer to HEALTH CHECK

Diagnostic Trouble Code Chart

"Unable to Connect the Emergency Call Center" or "Unable to Connect to the Call Center" message is played

Wait for a while, then move to different location and retry (try to find location with better signal reception)

-

Perform Vehicle Inquiry on Techstream and verify subscription status

-

Refer to UNABLE TO CONNECT TO CALL CENTER

"Safety Connect is not active" message is played

Perform Vehicle Inquiry on Techstream and verify subscription status

-

Explain to the customer that the system is in deactive mode, and confirm whether or not they would like to change to active mode

-

Indicator Condition

Symptom

Suspected Area

Link

Green indicator abnormal (Remains OFF)

Refer to DCM POWER SOURCE CIRCUIT

Refer to GREEN INDICATOR REMAINS OFF

Red indicator abnormal (Remains ON)

Refer to RED INDICATOR REMAINS ON

Green and red indicators abnormal (Remains OFF)

Refer to GREEN AND RED INDICATORS DO NOT COME ON WHEN IG-ON

Refer to DCM POWER SOURCE CIRCUIT

DCM (Telematics Transceiver)

    Initialization
    INITIALIZATION RESET BACK-UP BATTERY CONDITION HINT: If the back-up battery has been replaced, it is necessary to perform the Reset Backup Battery Condition procedure. (a) Connect the Techstream ...

    Terminals Of Ecu
    TERMINALS OF ECU CHECK DCM (TELEMATICS TRANSCEIVER) *a Connector Color: Natural (to Telephone Sub Antenna) *b Connector Color: Blue (to Telephone Main A ...

    Other materials:

    Toyota CH-R Service Manual > Lumbar Support Adjuster Assembly: Removal
    REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the lumbar support adjuster assembly removal/installation are shown below. Necessary Procedure Afte ...

    Toyota CH-R Service Manual > Smart Key System(for Start Function): ACC Monitor Malfunction (B2274)
    DESCRIPTION This DTC is stored when a malfunction in the ACC output circuit is detected. The ACC output circuit is the circuit between terminal ACCD of the certification ECU (smart key ECU assembly) and the ACC relay. DTC No. Detection Item DTC Detection Condit ...

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