Toyota CH-R Service Manual: Problem Symptoms Table

Toyota CH-R Service Manual / Cellular Communication / Safety Connect System / 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	-
"Safety Connect is not active" message is played	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
Green indicator abnormal (Remains OFF)	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 ...

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Toyota CH-R Service Manual: Problem Symptoms Table

Initialization

Terminals Of Ecu

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Toyota CH-R Service Manual