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Home >> Toyota >> 2009 >> Corolla S, 1.8 L, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission - U250E) >> Automatic Transaxle System >> DTC P2716 Pressure Control Solenoid "D" Electrical (Shift Solenoid Valve SLT) >> Description

DTC P2716 Pressure Control Solenoid "D" Electrical (Shift Solenoid Valve SLT): Description

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

The linear solenoid valve (SLT) controls the transmission line pressure for smooth transmission operation based on signals from the throttle position sensor and the vehicle speed sensor. The ECM adjusts the duty cycle of the SLT solenoid valve to control hydraulic line pressure coming from the primary regulator valve. Appropriate line pressure assures smooth shifting with varying engine outputs.

(*): Duty Ratio

The duty ratio is the ratio of the period of continuity in one cycle.

For example, if A is the period of continuity in one cycle, and B is the period of non-continuity, then Duty Ratio=A/(A + B) x 100(%)

DTC DETECTION CONDITION REFERENCE

DTC No. DTC Detection Condition Trouble Area
P2716 Open or short is detected in shift solenoid valve SLT circuit for 1 second or more while driving (1-trip detecting logic).
  • Open or short in shift solenoid valve SLT circuit
  • Shift solenoid valve SLT
  • ECM
Fig 1: Pressure Control Solenoid Graph
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