Power Window Control System - Rear Power Window Switch Lh Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK WIRE HARNESS (MPX SWITCH - BATTERY POSITIVE AND BODY GROUND)
POWER WINDOW CONTROL SYSTEM - Rear Power Window Switch LH Circuit
DESCRIPTION
This circuit supplies power to operate the multiplex network switch.
WIRING DIAGRAM

INSPECTION PROCEDURE
1.CHECK WIRE HARNESS (MPX SWITCH - BATTERY POSITIVE AND BODY GROUND) |
Disconnect the O1 connector.
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 |
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
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OK | |
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PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE |
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LEXUS IS250, IS220d / GSE20 ALE20