Lexus IS250 · Service Manual BODY

Front Passenger Side Power Window Switch Power Source Circuit

Circuit diagnosis

DESCRIPTION

This circuit supplies power to operate the multiplex network switch.

WIRING DIAGRAM

B111209E19

INSPECTION PROCEDURE


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

  1. B111210E14
    Disconnect the M16 (*L13) connector.

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

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

    Resistance:
    Tester Connection
    Condition
    Specified Condition
    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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