Toyota Corolla Cross: Acoustic Vehicle Alerting System
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PRECAUTION PRECAUTIONS FOR DISCONNECTING AND RECONNECTING CABLE TO NEGATIVE (-) AUXILIARY BATTERY TERMINAL
NOTICE:
After the ignition switch is turned off, there may be a waiting time before discon
PARTS LOCATION ILLUSTRATION
*1 VEHICLE APPROACHING SPEAKER ASSEMBLY
*2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)
*3 HYBRID VEHICLE CONTROL ECU
*4 VEHICLE APPROACHING S
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DESCRIPTION
DTC No. Detection Item
DTC Detection Condition Trouble Area
Warning Indicate Test Mode / Check Mode
U012987 Lost Communication with Brake System Control Module "A" Missing Message
Communication stop occurs between the airbag ECU assembly and Skid con
CAUTION / NOTICE / HINT When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out for all circuits considered to be possible causes of the problem. In many cases, by carrying out the basic engine check shown in the following procedure, the location of the problem ca
Precaution
Lost Communication with Brake System Control Module "A" Missing Message (U012987,U023A87)
