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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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:
FREEZE FRAME DATA
DESCRIPTION
(a) Whenever a front radar sensor system DTC is stored, the millimeter
wave radar sensor assembly stores the current vehicle state as Freeze Frame Data.
CHECK FREEZE FRAME DATA
(a) Select a DTC to display the freeze frame data.
Body Electrical > Front Radar Se
DESCRIPTION The certification ECU (smart key ECU assembly) generates a request signal and transmits the signal to the front door outside handle assembly LH (electrical key antenna) at intervals of 0.25 seconds. For the front door outside handle assembly LH (electrical key antenna) to detect when the
