Reassembly
ComponentsLost 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
...
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT SEAT CUSHION HEATER LH
(a) Check the seat cushion heater.
(1) Apply battery voltage and check the seat cushion heater.
OK:
Measurement Condition
Condition
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On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK POWER SOURCE MODE CHANGE FUNCTION
(a) Check the function of the engine switch.
(1) Check that power source mode changes in accordance with the conditions of
the shift position and brake pedal.
Brake Pe ...