Toyota Corolla Cross: Ignition Coil And Spark Plug

 General Information

GENERAL INFORMATION A large number of ECU controlled systems are used in this vehicle. In general, ECU controlled systems are considered to be very intricate, requiring a high level of technical knowledge to troubleshoot. However, most problem checking procedures only involve inspecting

 Rear Window Defogger System does not Operate

DESCRIPTION An operation request signal is sent to the air conditioning amplifier assembly via LIN communication when the rear window defogger switch (air conditioning control assembly) is operated. When the air conditioning amplifier assembly receives the signal, it sends an operation request signa