FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Lexus
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2000
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SC 400 V8-4.0L (1UZ-FE)
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Repair and Diagnosis
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Accessories and Optional Equipment
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Antitheft and Alarm Systems
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Keyless Entry
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Testing and Inspection
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Component Tests and General Diagnostics
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Door Key Lock and Unlock Switch Circuit
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Lock Side
Lock Side
CIRCUIT DESCRIPTION
Transistor inside the wireless door lock ECU coming
ON
causes the theft deterrent ECU to output a signal to lock all the doors.
Wiring Diagram:
Step 1:
INSPECTION PROCEDURE