Lexus IS250 · Service Manual BODY ELECTRICAL

Integration Control and Panel Assembly Power Source Circuit

Circuit diagnosis

DESCRIPTION

This is the power source circuit to operate the integration control & panel assembly.

WIRING DIAGRAM

E110884E08

INSPECTION PROCEDURE


1. INSPECT INTEGRATION CONTROL & PANEL ASSEMBLY

  1. E121264E02
    Disconnect the integration control & panel assembly connector J54.

  1. Measure the resistance according to the value(s) in the table below.

    Standard resistance:
    Tester connection
    Condition
    Specified condition
    E - Body ground
    Always
    Below 1 Ω

  1. Measure the voltage according to the value(s) in the table below.

    Standard voltage:
    Tester connection
    Condition
    Specified condition
    B - GND
    Always
    10 to 14 V
    ACC - GND
    Engine SW on (ACC)
    10 to 14 V
    IG+ - GND
    Engine SW on (IG)
    10 to 14 V



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE


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