Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - PRE-CRASH SAFETY

DESCRIPTION

INSPECTION PROCEDURE

CHECK DTC (CAN COMMUNICATION SYSTEM)

DTC U0100 Lost Communication with ECM / PCM "A"

DTC U0122 Lost Communication with Vehicle Dynamics Control Module

DTC U0151 Lost Communication with Airbag ECU

DTC U1101 Lost Communication with Distance Control ECU

DESCRIPTION

The seat belt control ECU receives signals from the master cylinder solenoid (skid control ECU) and the center airbag sensor via the CAN communication line.


The distance control ECU receives signals from the ECM via the CAN communication line.

DTC CodeDTC Detection ItemInspection Area
U0100ECM communication error.
CAN communication system
Distance control ECU
ECM
U0122Skid control ECU communication error.
CAN communication system
Master cylinder solenoid (skid control ECU)
Seat belt control ECU
U0151Center airbag sensor communication error.
CAN communication system
Seat belt control ECU
Center airbag sensor
U1101Distance control ECU communication error.
CAN communication system
Distance control ECU
Seat belt control ECU

INSPECTION PROCEDURE

  • HINT:
  • When 2 or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harnesses of each ECU.
1.CHECK DTC (CAN COMMUNICATION SYSTEM)

Use the intelligent tester to check if the CAN communication system is functioning normally ( for LHD, for RHD).

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