Toyota CH-R Service Manual: Unable To Connect To Call Center

Toyota CH-R Service Manual / Cellular Communication / Safety Connect System / Unable To Connect To Call Center

DESCRIPTION

This may occur when the intensity of telephone radio frequency was very weak, or the safety connect system has a malfunction and a DTC is set.

PROCEDURE

1.

CHECK COMMUNICATION SERVICE CONDITION

(a) Move the vehicle.

(1) If the vehicle is outside the communication service area, move the vehicle to a communication service area, wait for a while and perform the operation again.

OK:

Same problem does not occur.

OK

END
NG

2.

CHECK DTC

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch ON and wait for 10 seconds.

(d) Turn the Techstream on.

(e) Perform "Health Check" and check for current DTCs.

Click here

Result

Proceed to

DTCs are not output

A

DTCs are output

B
B

GO TO DIAGNOSTIC TROUBLE CODE CHART

A

3.

CHECK DCM OPERATION HISTORY

(a) Check "DCM Operation History".

Click here

Result

Proceed to

Signal strength is weak (0 or 1)

A

Communication indicates "Fail"

No problems with signal strength or communication

B

HINT:

If there was a communication problem in the past but the communications are working correctly now, it is possible that the source of the problem was temporary radio interference, or the vehicle may have been outside the service area.

B

END
A

4.

REPLACE DCM (TELEMATICS TRANSCEIVER)

(a) Replace the DCM (Telematics Transceiver).

Click here

NOTICE:

  • The ignition switch must be off.
  • Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
NEXT

PERFORM DCM ACTIVATION

    Red Indicator Remains On
    DESCRIPTION This means that the DCM (Telematics Transceiver) has detected a malfunction in the safety connect system and stored a DTC. PROCEDURE 1. CHECK DTC (a) ...

    Telephone And Gps Antenna Cords
    Components COMPONENTS ILLUSTRATION *1 TELEPHONE AND GPS ANTENNA CORD ASSEMBLY *2 NO. 3 HEATER TO REGISTER DUCT SUB-ASSEMBLY ILLUSTRATION ...

    Other materials:

    Toyota CH-R Owners Manual > Using the storage features: Luggage compartment features
    Cargo hooks Cargo hooks are provided for securing loose items. WARNING To avoid injury, always return the cargo hooks to their positions when they are not in use. Grocery bag hooks NOTICE Do not hang any object heavier than 4.4 lb. (2 kg) on the grocery bag hook. Auxiliary b ...

    Toyota CH-R Service Manual > Pre-collision System: System Diagram
    SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Millimeter Wave Radar Sensor Assembly Skid Control ECU (Brake Actuator Assembly) Brake assist standby signal Pre-collision brake ope ...

    Toyota C-HR (AX20) 2023-2026 Owner's Manual

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2026 Copyright www.tochr.net
    0.0062