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Home >> Lexus >> 2003 >> IS 300 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0617: Starter Relay Circuit High >> Circuit Description

Circuit Description

While engine is being cranked, battery positive voltage is applied to terminal STA of ECM. DTC is set when vehicle speed is at least 12 MPH, engine revolution is at least 1,000 RPM, and STA signal is on for 20 seconds with battery voltage 10.5 volts or more. Possible causes are:

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