P2716

U660E AUTOMATIC TRANSAXLE: AUTOMATIC TRANSAXLE SYSTEM: P2716: Pressure Control Solenoid "D" Electrical (Shift Solenoid Valve SLT)

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

DESCRIPTION

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 TCM adjusts the duty ratio (*) 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 (%)

MONITOR DESCRIPTION

When an open or short in the linear solenoid valve (SLT) circuit is detected, the TCM interprets this as a fault. The TCM will turn on the MIL and store the DTC.

MONITOR STRATEGY

TYPICAL ENABLING CONDITIONS

ALL:

Malfunction (A):

Malfunction (B):

Malfunction (C):

Malfunction (D):

Malfunction (E):

TYPICAL MALFUNCTION THRESHOLDS

Malfunction (A) and (B):

Malfunction (C):

Malfunction (D):

Malfunction (E):

COMPONENT OPERATING RANGE

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. INSPECT TRANSMISSION WIRE (SLT)

(a) Remove the TCM from the transaxle.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:

OK -- REPLACE TCM
NG -- Continue to next step.
2. INSPECT SHIFT SOLENOID VALVE SLT

(a) Remove the shift solenoid valve SLT.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:

(c) Connect a positive (+) lead through a 21 W bulb to terminal 2 and a negative (-) lead to terminal 1 of the solenoid valve connector, then check the movement of the valve.
OK:
The solenoid makes an operating sound.
NG -- REPLACE SHIFT SOLENOID VALVE SLT
OK -- REPLACE TRANSMISSION WIRE