Dtc U0100 Lost Communication With Ecm / Pcm A

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Heating Air Conditioning. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

CHECK CAN COMMUNICATION SYSTEM

DTC U0100 Lost Communication with ECM / PCM "A"

DTC U0142 Lost Communication with Body Control Module "B"

DTC U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module


DESCRIPTION


DTC Code
DTC Detection Condition
Trouble Area
U0100
No communication with ECM
  1. CAN communication system
  2. ECM
  3. Air conditioning amplifier assembly
U0142
No communication with main body ECU (cowl side junction block LH)
  1. CAN communication system
  2. Main body ECU (cowl side junction block LH)
  3. Air conditioning amplifier assembly
U0155
No communication with combination meter assembly
  1. CAN communication system
  2. Combination meter assembly
  3. Air conditioning amplifier assembly

INSPECTION PROCEDURE

1.CHECK CAN COMMUNICATION SYSTEM

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

    1. for LHD: Click here.
    2. for RHD: Click here.
    Result
    Result
    		Proceed to
    CAN DTC is not output
    		A
    CAN DTC is output (for LHD)
    		B
    CAN DTC is output (for RHD)
    		C


B
GO TO CAN COMMUNICATION SYSTEM (Click here)

C
GO TO CAN COMMUNICATION SYSTEM (Click here)
A

USE SIMULATION METHOD TO CHECK (Click here)