PROBLEM SYMPTOMS TABLE
HINT:
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 |
- |
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) |
|
Toyota CH-R Service Manual > Can Communication System: Check Bus 4 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 22 (CA2H) and 7 (CA2L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Symptom
Trouble Area
Resistance b ...
Toyota CH-R Service Manual > Introduction: How To Use This Manual
General Information
GENERAL INFORMATION
GENERAL DESCRIPTION
(a) Repair operations can be separated mainly into the following 3 processes:
(1) Diagnosis.
(2) Removing/Installing, Replacing, Disassembling/Reassembling, Checking and
Adjusting.
(3) Final Inspection.
(b) The following procedur ...