Dtc U0100 Lost Communication With Ecm


DESCRIPTION

INSPECTION PROCEDURE

CHECK FOR DTC (CAN COMMUNICATION SYSTEM)

DTC U0100 Lost Communication with ECM

DTC U0142 Lost Communication with Main Body ECU

DTC U0155 Lost Communication with Combination Meter


DESCRIPTION

The air conditioning amplifier communicates with the ECM, main body ECU (multiplex network body ECU) and combination meter through the CAN communication system.

DTC Code
DTC Detection Condition
Trouble Area
U0100
Lost communication with the ECM.
  1. CAN communication system
  2. ECM
U0142
Lost communication with the main body ECU.
  1. CAN communication system
  2. Main body ECU (multiplex network body ECU)
U0155
Lost communication with the combination meter.
  1. CAN communication system
  2. Combination meter assembly

INSPECTION PROCEDURE

1.CHECK FOR DTC (CAN COMMUNICATION SYSTEM)

  1. Use the intelligent tester to check if the CAN communication system is functioning normally.

    Result
    Result
    		Proceed to
    CAN DTC is not output
    		A
    CAN DTC is output (for LHD with Entry and Start System)
    		B
    CAN DTC is output (for LHD without Entry and Start System)
    		C
    CAN DTC is output (for RHD with Entry and Start System)
    		D
    CAN DTC is output (for RHD without Entry and Start System)
    		E



B
GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0C5X.html)

C
GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0BYX.html)

D
GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0BZX.html)

E
GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0C0X.html)
A

USE SIMULATION METHOD TO CHECK (LandCruiser RM000003YMJ00XX.html)