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Home >> Lexus >> 2001 >> GS 300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1126: Electromagnetic Clutch Circuit Malfunction >> Circuit Description

Circuit Description

Magnetic clutch is mounted between throttle control motor and throttle valve, and engages throttle control motor to throttle valve. If electronic throttle control system has a malfunction, magnetic clutch separates throttle control motor from throttle valve. Magnetic clutch and throttle control motor are one unit and must be replaced together. If DTC P1126 is set, ECM shuts down power to throttle control motor and electromagnetic clutch.

DTC P1126 is set when ECM continuously detects magnetic clutch current of 1.4 amps or more, or .4 amp or less for .8 second. DTC P1126 is also set when ECM continuously detects magnetic clutch current of one amp or more, or .8 amp or less for 1.5 seconds. Possible causes are:

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