Toyota Corolla Cross: Power Source & Network

 Mirror Heater does not Operate with Rear Defogger Switch

DESCRIPTION When the mirror heater switch (rear window defogger switch) is operated, the RR DEF relay drive request signal is sent to the air conditioning amplifier assembly and then to main body ECU (multiplex network body ECU) via CAN communication. When the main body ECU (multiplex network body E

 Inspection

INSPECTION PROCEDURE 1. INSPECT TRANSMISSION REVOLUTION SENSOR (NT) (a) Connect the battery to the transmission revolution sensor (NT) as shown in the illustration. *1 Battery *2 Ammeter *a Component without harness conn