COMPONENTS
ILLUSTRATION

RemovalLost Communication with ECM / PCM "A" (U0100,U0122)
DESCRIPTION
This DTC is output when communication is lost with the skid control ECU (brake
actuator assembly) or ECM.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
U0100
Lost Communication with ECM / PCM " ...
Air Mix Control Servo Motor
Inspection
INSPECTION
PROCEDURE
1. INSPECT AIR MIX CONTROL SERVO MOTOR (for Manual Air Conditioning System)
(a) Inspect the servo motor operation.
Text in Illustration
*a
0 V
*b
6V
...
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Communication Method
Power window regulator master switch assembly*1
Main Body ECU (Multiplex Network Body ECU)
Door control switch signal
...