C1109 battery voltage [abnormal]
Description
Supplies electric power to the ABS actuator and electric unit (control unit).
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSIS RESULTS
Check the self-diagnosis results.
Diagnosis Procedure
1.CONNECTOR INSPECTION
Turn ignition switch OFF. ...
Rear window defogger system
System Diagram
System Description
Operation Description
When rear window defogger switch is turned ON while ignition
switch is ON, the A/C auto amp. (rear window
defogger switch) transmits rear window defogger switch signal to BCM.
BCM turns rear window defogger relay ON when rear ...
U1000 CAN comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex communication line with high data
communication speed and excellent error detection ability. Many electronic
control units are equipped on a vehicle and each contr ...