Toyota Corolla Cross: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) The DCM (telematics transceiver) control the vehicle safety
connect system functions. Safety connect system data and Diagnostic Trouble Codes
(DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). In some cases,
a malfunction may be occurring in the safety connect system. When the system seems
to be malfunctioning, use the GTS to check for malfunctions and perform repairs.
CHECK DLC3
(a) Check the DLC3.
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INSPECT AUXILIARY BATTERY VOLTAGE
(a) Measure the auxiliary battery voltage.
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary
battery.
CHECK INDICATOR
(a) When a malfunction is detected in the safety connect system,
the manual (SOS) switch red indicator on the manual (SOS) switch illuminates to
inform the driver of the malfunction.
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READ NEXT:
DATA LIST / ACTIVE TEST
DATA LIST
NOTICE:
In the table below, the values listed under "Normal Condition" are
reference values. Do not depend solely on these reference values when decidi
DIAGNOSTIC TROUBLE CODE CHART
Safety Connect System
DTC No.
Detection Item
Link
B153711
Telephone Sub Antenna Circuit Short to Ground
VEHICLE CONTROL HISTORY (RoB)
NOTICE:
Make sure to record any output Vehicle Control History (RoB) codes
before clearing them and checking the Vehicle Control History (RoB) again.
CHECK VEHICLE C
SEE MORE:
PROBLEM SYMPTOMS TABLE
HINT:
If a problem occurs in certain locations or at certain times of day, check for the possibility of wave interference.
When the electrical key transmitter sub-assembly is brought near an electrical key and tire pressure warning ECU and receiver (RF band), door o
DESCRIPTION When the ignition switch cannot be turned to ACC or ON, interior verification may be abnormal or there may be a malfunction in the ACC relay or IG relay circuit. If interior verification cannot be performed, the certification ECU (smart key ECU assembly) may be malfunctioning or communic
