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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 198 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0617: Starter Relay Circuit High >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.

While engine is being cranked, current flows from terminal STAR of ECM to starter relay coil and to terminal STA of ECM (STA signal). DTC is set when vehicle speed is 12 MPH or more, engine revolutions are 1000 RPM or more, STA signal is on and battery voltage is 10.5 volts or more for 20 seconds. Possible causes are:

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