Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - HEATING / AIR CONDITIONING

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

The air conditioning amplifier assembly communicates with the ECM and meter ECU through the CAN communication system.

DTC CodeDTC Detection ConditionTrouble Area
U0100 No communication with ECM
CAN communication system
ECM
Air conditioning amplifier assembly
U0142 No communication with main body ECU (cowl side junction block LH)
CAN communication system
Main body ECU (cowl side junction block LH)
Air conditioning amplifier assembly
U0155 No communication with combination meter assembly
CAN communication system
Combination meter assembly
Air conditioning amplifier assembly

INSPECTION PROCEDURE

1.CHECK CAN COMMUNICATION SYSTEM

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

for LHD: .
for RHD: .
Result
ResultProceed to
CAN DTC is not outputA
CAN DTC is output (for LHD)B
CAN DTC is output (for RHD)C
B
GO TO CAN COMMUNICATION SYSTEM ()
C
GO TO CAN COMMUNICATION SYSTEM ()
A
USE SIMULATION METHOD TO CHECK ()