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 > Audio And Visual System(for Radio Receiver Type): Radio Broadcast cannot be Received or Poor Reception
    PROCEDURE 1. CHECK RADIO RECEIVER ASSEMBLY (a) Check the radio automatic station search function. (1) Check the radio automatic station search function by activating it. Result Proceed to Automatic station search function doe ...

    Toyota CH-R Service Manual > Meter / Gauge System: Meter Illumination does not Dim at Night
    DESCRIPTION In this circuit, the combination meter assembly receives auto dimmer signals from the main body ECU (multiplex network body ECU) via CAN communication. When the combination meter assembly receives an auto dimmer signal, it dims the meter illumination (warning and indicator lights) ...

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