Toyota Corolla Cross: System Description
SYSTEM DESCRIPTION
KEY REMINDER WARNING SYSTEM DESCRIPTION
(a) When the driver door is opened with the ignition switch off or ACC, this system causes a buzzer to sound in order to warn the driver that the key has not been removed.
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CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the key reminder warning system.
*: Use the GTS.
PROCEDURE
1. VEHICLE BROUGHT TO WORKSHOP
OPERATION CHECK CHECK FUNCTION (a) Check that the key reminder warning buzzer sounds.
(1) With the driver door closed, insert the key into the ignition key cylinder and then make sure that the ignit
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order
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DESCRIPTION
DTC No. Detection Item
DTC Detection Condition Trouble Area
Warning Indicate Test Mode / Check Mode
B116541 Airbag ECU (G Sensor 2) General Checksum Failure
Airbag ECU assembly malfunction
Airbag ECU assembly Comes on
Does not apply to
MONITOR DESCRIPTION The auxiliary battery supplies electricity to the ECM even when the ignition switch is off. This power allows the ECM to store data such as DTC history, Freeze Frame Data and fuel trim values. If the auxiliary battery voltage falls below a minimum level, the memory is cleared and
