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Home >> Toyota >> 2012 >> Corolla S, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 209 (Automatic Transmission (U250E) (Diagnostic Codes (P0705 - P2770) & Circuit Tests)) >> Automatic Transaxle System >> DTC P0776: Pressure Control Solenoid "B" Performance (Shift Solenoid Valve SL2) >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2011 Toyota Matrix. 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 Test 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 Test early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Test.

  1. PERFORM ACTIVE TEST 
    1. Warm up the engine.
    2. Turn the ignition switch off.
    3. Connect the Techstream to the DLC3.
    4. Turn the ignition switch to ON.
    5. Turn on the Techstream.
    6. Select the item "Powertrain / Engine and ECT / Active Test / Shift Status".
    7. According to the display on the tester, perform the "Active Test".

      HINT: 

      While driving, the shift position can be forcibly changed with the Techstream.

      Comparing the shift position commanded by the Active Test with the actual shift position enables you to confirm the problem. Refer to FAIL-SAFE CHART .

      Tester Display Test Part Control Range Diagnostic Note
      Control the Shift Position [Test Details]
      Operate the shift solenoid valve and set each shift position by yourself.
      [Vehicle Condition]
      • IDL: ON
      • Less than 50 km/h (31 mph)

      [Others]
      • Press "→" button: Shift up
      • Press "←" button: Shift down
      1st/2nd/3rd/4th/5th Possible to check the operation of the shift solenoid valves.

      HINT: 

      • This test can be conducted when the vehicle speed is 50 km/h (31 mph) or less.
      • The shift position commanded by the ECM is shown in the Data List / Shift Status display on the Techstream.