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Home >> Lexus >> 2006 >> IS 250 RWD, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission (A760H)) >> Automatic Transmission System >> DTC P0982, P0983: Shift Solenoid "D" Control Circuit Low (Shift Solenoid Valve S4); Shift Solenoid "D" Control Circuit High (Shift Solenoid Valve S4) >> Monitor Description

Monitor Description

WARNING: This page is about a different variant/trim than selected.

These DTCs indicate an open or short in the shift solenoid valve S4 circuit. When there is an open or short circuit in any shift solenoid valve circuit, the ECM detects the problem and illuminates the MIL and stores the DTC. When the shift solenoid valve S4 is on, if resistance is 8 Ω or less, the ECM determines there is a short in the shift solenoid valve S4 circuit.

When the shift solenoid valve S4 is off, if resistance is 100 kΩ or more, the ECM determines there is an open in the shift solenoid valve S4 circuit (See FAIL-SAFE TABLE  ).