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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 465 (Automatic Transmission Electronic Controlled (ECT) - Diagnostics) >> Electronic Controlled Automatic Transaxle [ECT] (APR., 2003) >> DTC P0751: Shift Solenoid "A" Performance (Shift Solenoid Valve S1) >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2004 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

The ECM commands gear shifts by turning the shift solenoid valves "ON/OFF". According to the input shaft revolution, intermediate (counter) shaft revolution and output shaft revolution, the ECM detects the actual gear position (1st, 2nd, 3rd or O/D gear position). When the gear position commanded by the ECM and the actual gear position are not same, the ECM illuminates the MIL.

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