Toyota Corolla Cross: Ignition Coil And Spark Plug

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Replace parts related to the wireless door lock and smart key system according to the inspection procedure. If the wireless door lock and smart key system does not operate, first check the customize item and make sure that the wireless door lock and smart key

 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