Toyota Corolla Cross: System Description
SYSTEM DESCRIPTION
ACOUSTIC VEHICLE ALERTING SYSTEM
(a) When the vehicle is being driven quietly using the motor only, the acoustic vehicle alerting system outputs a warning sound from the vehicle approaching speaker assembly to inform pedestrians, cyclists etc., of the approach of the vehicle.
(b) The warning sound is output by the vehicle approaching speaker assembly at a volume level that will not be perceived as noise. Also the pitch of the sound changes in accordance with vehicle speed so that the sound reflects vehicle deceleration and acceleration.
(c) Acoustic vehicle alerting system operation automatically stops when the vehicle is stopped, the engine starts or the vehicle is driven at 35 km/h (22 mph) or more.
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CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the acoustic vehicle alerting system.
*: Use the GTS.
PROCEDURE
1. VEHICLE BROUGHT TO WORKSHOP
N
OPERATION CHECK ACOUSTIC VEHICLE ALERTING SYSTEM OPERATION CHECK
(a) System operation check (vehicle being driven) (1) Turn the ignition switch to ON (READY).
(2) Operate the EV drive mode switch an
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 of
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DESCRIPTION
The skid control ECU (brake actuator assembly) determines the
steering angle value based on data obtained from the steering sensor, yaw rate and
acceleration sensor (airbag ECU assembly).
DTC No.
Detection Item
DTC Detection Condition
Tro
DESCRIPTION The ECM and skid control ECU (brake actuator assembly) send and receive signals via CAN communication.
If a communication error occurs between the ECM and skid control ECU (brake actuator assembly), the ECM stores this DTC.
DTC No. Detection Item
DTC Detection Condition
