Toyota Corolla Cross: 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 stored.
CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Safety Connect System.
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PROCEDURE
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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 | .gif)
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END |
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2. |
CHECK DTC |
(a) Turn the ignition switch to ON and wait for 10 seconds or more.
(b) Clear the DTCs.
Body Electrical > Telematics > Clear DTCs(c) Check for DTCs and check that no DTCs are output.
Body Electrical > Telematics > Trouble CodesOK:
No DTCs are output.
| NG |
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GO TO DIAGNOSTIC TROUBLE CODE CHART
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3. |
CHECK DCM OPERATION HISTORY |
(a) Check "DCM Operation History".
Click here
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Tester Display |
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DCM Operation History |
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Result |
Proceed to |
|---|---|
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Electric Level is weak (Level 0 or Level 1) |
A |
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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 |
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CONTACT SERVICE CENTER |
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4. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (telematics transceiver) with a new one.
Click here
NOTICE:
- The ignition switch must be off.
- Do not exchange the DCM (telematics transceiver) with one from another vehicle.
| NEXT |
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PERFORM DCM ACTIVATION |
READ NEXT:
Emergency Call Switch Illumination Circuit
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or
maintenance, performing initialization, registration or calibration may
Telephone And Gps Antenna
Removal
REMOVAL
CAUTION / NOTICE / HINT
COMPONENTS (REMOVAL)
Procedure
Part Name Code
1
ROOF HEADLINING ASSEMBLY
SEE MORE:
Drive Shaft System
Precaution
PRECAUTION
NOTICE OF REMOVING AND INSTALLING FRONT DRIVE SHAFT ASSEMBLY RH (for M20A-FKS
AWD)
(a) When removing and installing the front drive shaft assembly RH, be sure to
first drain all the transaxle oil and transfer oil. If removal and installation
are carried out without d
Ultrasonic Sensor (Rear Left Center) Missing Message (C1AE787)
DESCRIPTION
This DTC is output when an open circuit or short occurs in the
communication line between a rear center ultrasonic sensor (RLC sensor) and the
rear corner ultrasonic sensor (RL sensor), or when a malfunction occurs in a rear
center ultrasonic sensor (RLC sensor) on the rear.
