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Home >> Toyota >> 2011 >> Camry Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 436 (Automatic Transaxle (U660E) (Diagnostic Codes & Circuit Tests) (Except Hybrid)) >> Automatic Transaxle System >> DTC P2757: Torque Converter Clutch Pressure Control Solenoid Performance (Shift Solenoid Valve SLU) >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2013 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

Perform the universal trip to clear permanent DTCs. Refer to DTC CHECK / CLEAR .

HINT: 

Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.

  1. ACTIVE TEST 
    1. Warm up the engine.
    2. Turn the engine switch off.
    3. Connect the Techstream to the DLC3.
    4. Turn the engine switch on (IG).
    5. Turn the Techstream on.
    6. Enter the following menus: Powertrain / ECT / Active Test.
    7. According to the display on the Techstream, perform the Active Test.
      Tester Display Test Part Control Range Diagnostic Note
      Activate the Lock Up Control the shift solenoid SLU and SL to set the automatic transaxle to the lock-up condition. ON/OFF Can be used to check SLU and SL solenoid operation.
      [Vehicle Condition]
      • Throttle valve opening angle: Less than 20%
      • Vehicle speed:60 km/h (37 mph) or more, and 6th gear

      HINT: 

      • This test can be conducted when the vehicle speed is 60 km/h (37 mph) or more.
    8. Lightly depress the accelerator pedal and check that the engine speed does not change abruptly.

      HINT: 

      • When changing the accelerator pedal opening angle while driving, if the engine speed does not change, lock-up is on.
      • Slowly release, but not fully, the accelerator pedal in order to decelerate. (Fully releasing the pedal will close the throttle valve and lock-up may be turned off.)
      Fig 1: Identifying Accelerator Pedal Opening Angle Graph
      GTY184093Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002