Toyota Corolla Cross: General

 Impact Detection Sensor Circuit Malfunction (B124300)

DESCRIPTION If the collision door lock release function does not operate normally, or an open or short in the GSW input circuit of the main body ECU (multiplex network body ECU) is detected, DTC B124300 will be stored. HINT: If DTC B124300 is stored, the automatic door lock function, and collision

 DCM Data Signal Circuit between Radio Receiver and DCM

DESCRIPTION This circuit is used to send and receive signals between the DCM (telematics transceiver) and the radio and display receiver assembly. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (DCM [TELEMATICS TRANSCEIVER] - RADIO AND DISPLAY RECEIVER ASS