Problem Symptoms TableLost Communication with ECM / PCM (U0100)
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
U0100
No communication from the ECM continues.
ECM main wire or connector
Power source circuit of ECM
ECM
...
Terminals Of Ecu
TERMINALS OF ECU
1. TERMINALS OF ECU
Text in Illustration
*1
Component without harness connected
(Brake Actuator (Skid Control ECU))
Terminal No. (Symbol)
Terminal Description
1 (GND ...
How To Proceed With Troubleshooting
HOW TO PROCEED WITH TROUBLESHOOTING
1. OPERATION FLOW
HINT:
Perform troubleshooting in accordance with the procedure below. The following
is an outline of basic troubleshooting procedure. Confirm the troubleshooting procedure
for the circuit you are wor ...