Lexus IS250 · Service Manual BODY

Rear Power Window Switch LH Circuit

Circuit diagnosis

DESCRIPTION

This circuit supplies power to operate the multiplex network switch.

WIRING DIAGRAM

B111209E17

INSPECTION PROCEDURE


1. CHECK WIRE HARNESS (MPX SWITCH - BATTERY POSITIVE AND BODY GROUND)

  1. B111210E12
    Disconnect the O1 connector.

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

    Voltage:
    Tester Connection
    Condition
    Specified Condition
    O1-12 (BDR) - Body ground
    Always
    10 to 14 V

    Resistance:
    Tester Connection
    Condition
    Specified Condition
    O1-7 (GND) - Body ground
    Always
    Below 1 Ω



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE


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