Air conditioning systemLost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129)
DESCRIPTION
These DTCs are stored when a communication malfunction occurs between ECUs that
perform pre-collision system control.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
U0100
Lost Communication with ECM ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure listed to troubleshoot the differential
system (w/ Differential Lock).
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender ECU
Receiver ECU
Signal
Line
*1: for Vacuum Brake Booster
*2: for Hydraulic Brake Booster
Forward Recognition Camera
Combination Meter Assembly
...