Lexus IS250 IS220d GSE20 ALE20 2AD-FHV ENGINE CONTROL SYSTEM

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

WIRING DIAGRAM

Dtc U0155 Lost Communication With Instrument Panel Cluster Control Module (Combination Meter). 2AD-FHV ENGINE CONTROL SYSTEM. Lexus IS250 IS220d GSE20 ALE20

INSPECTION PROCEDURE

1.CHECK CAN MAIN BUS LINE

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

OK:
"ENGINE and BODY/GATEWAY" are displayed

NG

CHECK AND REPLACE CAN COMMUNICATION SYSTEM

OK

CHECK AND REPLACE MULTIPLEX COMMUNICATION SYSTEM

LEXUS IS250, IS220d / GSE20 ALE20

2AD-FHV ENGINE CONTROL SYSTEM

Lexus IS250 IS220d GSE20 ALE20

ECD SYSTEM