Dtc P2714 Pressure Control Solenoid D Performance (Shift Solenoid Valve Slt)
DESCRIPTION
MONITOR DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK DTC OUTPUT (IN ADDITION TO DTC P2714)
INSPECT SHIFT SOLENOID VALVE SLT
INSPECT TRANSMISSION VALVE BODY ASSEMBLY
INSPECT TORQUE CONVERTER CLUTCH ASSEMBLY
DTC P2714 Pressure Control Solenoid "D" Performance (Shift Solenoid Valve SLT) |
DESCRIPTION
The throttle pressure that is applied to the primary regulator valve (which modulates the line pressure) causes the solenoid valve SLT, under electronic control, to precisely modulate and generate the line pressure according to the extent that the accelerator pedal is depressed or the output of engine power.This controls the line pressure and provides smooth shifting characteristics.Upon receiving a signal of the throttle valve opening angle, the ECM controls the line pressure by sending a predetermined duty ratio* to the solenoid valve, modulating the line pressure and generating throttle pressure.- HINT:
- *: The duty ratio is the ratio of the current ON time (A) to the total of the current ON and OFF time (A + B).
- Duty Ratio (%) = A / (A + B) x 100
DTC No.
| DTC Detection Condition
| Trouble Area
|
P2714
| ECM detects malfunction on SLT (ON side) according to difference in revolutions of turbine (input), intermediate and output shaft (2 trip detection logic)
| - Shift solenoid valve SLT remains open or closed
- Valve body is blocked
- Torque converter clutch
- Automatic transaxle (clutch, brake, gear, etc.)
|
MONITOR DESCRIPTION
In any forward position, when the difference between the revolutions of the turbine and output shaft exceeds the specified value (varies with output speed) determined by the ECM, the ECM illuminates the MIL and stores the DTC. When shift solenoid valve SLT remains on, the oil pressure goes down and the clutch engagement force decreases.
WIRING DIAGRAM
Refer to DTC P2716 (RAV4_ACA30 RM000000W8A06OX_07.html).
INSPECTION PROCEDURE
- HINT:
- Performing the intelligent tester's Active Test allows relay, VSV, actuator and other items to be operated without removing any parts. Performing the Active Test early in troubleshooting is one way to save time.
- The Data List can be displayed during the Active Test.
- Warm up the engine.
- Turn the ignition switch off.
- Connect the intelligent tester to the DLC3.
- Turn the ignition switch on (IG) and turn the tester ON.
- Enter the following menus: Powertrain / Engine and ECT / Active Test.
- Perform the Active Test.
Item
| Test Details
| Diagnostic Note
|
Activate the solenoid (SLT)*
| [Test Details] Operate shift solenoid SLT and raise line pressure [Vehicle Condition]
- Vehicle stopped
- IDL: ON
- HINT:
- OFF: Line pressure up (when Active Test "Activate the solenoid (SLT)" is performed, ECM commands SLT solenoid to turn OFF)
- ON: No action (normal operation)
| -
|
- HINT:
- *: "Activate the solenoid (SLT)" in the Active Test is performed to check the line pressure changes by connecting SST to the automatic transaxle, which is used in the Hydraulic Test (RAV4_ACA30 RM000000W7B0BHX.html) as well. Please note that the pressure values in the Active Test and Hydraulic Test are different.
1.CHECK DTC OUTPUT (IN ADDITION TO DTC P2714) |
Connect the intelligent tester to the DLC3.
Turn the ignition switch on (IG) and turn the tester ON.
Enter the following menus: Powertrain / Engine and ECT / DTC / Current or Pending.
Read the DTCs using the tester.
- Result:
Result
| Proceed to
|
P2714
| A
|
P2714 and other DTCs
| B
|
- HINT:
- If any other codes besides P2714 are output, perform troubleshooting for those DTCs first.
2.INSPECT SHIFT SOLENOID VALVE SLT |
Remove the shift solenoid valve SLT.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection
| Condition
| Specified Condition
|
1 - 2
| 20°C (68°F)
| 5.0 to 5.6 Ω
|
Connect the battery's positive (+) lead with a 21 W bulb to terminal 2 and the negative (-) lead to terminal 1 of the solenoid valve connector. Then check that the valve moves and makes an operating sound.
- OK:
- Valve moves and makes operating sound.
| REPLACE SHIFT SOLENOID VALVE SLT |
|
|
3.INSPECT TRANSMISSION VALVE BODY ASSEMBLY |
Check the transmission valve body assembly.
- OK:
- There are no foreign objects on each valve.
| REPAIR OR REPLACE TRANSMISSION VALVE BODY ASSEMBLY |
|
|
4.INSPECT TORQUE CONVERTER CLUTCH ASSEMBLY |
Check the torque converter clutch assembly (RAV4_ACA30 RM000001GS000XX.html).
- OK:
- The torque converter clutch operates normally.
| REPLACE TORQUE CONVERTER CLUTCH ASSEMBLY |
|
|
OK |
|
|
|
REPAIR OR REPLACE AUTOMATIC TRANSAXLE ASSEMBLY |
|