Reassembly
ComponentsLost 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 " ...
Fail-safe Chart
FAIL-SAFE CHART
HINT:
If any of the following auto cancel conditions are detected while the dynamic
radar cruise control system is controlling vehicle speed, the system clears the
stored vehicle speed and cancels control of vehicle speed by the dynamic radar cruise
control system.
Automatic ...
Heater Relay
Inspection
INSPECTION
PROCEDURE
1. INSPECT HEATER RELAY
(a) Check the resistance.
(1) Using an ohmmeter, measure the resistance between each terminal.
Standard:
Tester Connection
Specified Condition
3 - 4
...