Dtc U0155 Lost Communication With Instrument Panel Cluster Control Module (Combination Meter)

Engine. Lexus Is250, Is220D. Gse20 Ale20
2Ad-Fhv Engine Control System. Lexus Is250, Is220D. Gse20 Ale20

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK CAN MAIN BUS LINE

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


DESCRIPTION

This service bulletin provides information about changes in repair procedures resulted from changes in both the discharge headlight and AFS headlight structures and the addition of brackets.

DTC No.
DTC Detection Condition
Trouble Area
U0155
  1. Following conditions are met for 128 seconds (1 trip detection logic):
    1. Engine switch on (IG)
    2. Battery voltage is 10.5 V or more
    3. No intercommunication between engine control ECU and combination meter ECU
ECM
Gateway ECU
Combination meter ECU
Can communication circuit
Multiplex communication circuit

WIRING DIAGRAM


Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Control System.Ecd System. Dtc U0155 Lost Communication With Instrument Panel Cluster Control Module (Combination Meter)


INSPECTION PROCEDURE

1.CHECK CAN MAIN BUS LINE

  1. Perform "Communication Bus Check" using the intelligent tester (Click here(for LHD)) (Click here (for RHD)).

    OK:
    "ENGINE and BODY/GATEWAY" are displayed


NG
CHECK AND REPLACE CAN COMMUNICATION SYSTEM
OK

CHECK AND REPLACE MULTIPLEX COMMUNICATION SYSTEM