CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM, Diagnostic DTC:P2820

DTC Code DTC Name
P2820 Pressure Control Solenoid "J" Performance or Stuck Off

DESCRIPTION

According to current control by the ECM, the shift solenoid valve SLP controls primary pulley pressure in accordance with the requested gear ratio to perform gear ratio changes.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory
P2820 Pressure Control Solenoid "J" Performance or Stuck Off

Either one of the following conditions is met (1 trip detection logic):


  • When the oil pressure sensor output is 0.333 MPa (3.4 kgf/cm2, 48 psi) or more and the target gear ratio is less than 1.0, the actual gear ratio is 2.0 or more for 2 seconds or more.

  • When the oil pressure sensor output is 0.333 MPa (3.4 kgf/cm2, 48 psi) or more and the target gear ratio is 2.0 or more, the actual gear ratio is less than 0.5 for 1.5 seconds or more.

 Continuously variable transaxle assembly (Shift solenoid valve SLP) Comes on DTC stored
DTC Detection Condition Patterns:
Vehicle Condition
Pattern 1 Pattern 2
Diagnostic Condition

The oil pressure sensor output value is 0.333 MPa (3.4 kgf/cm2, 48 psi) or more and the target gear ratio is less than 1.0.

 ○ -

The oil pressure sensor output value is 0.333 MPa (3.4 kgf/cm2, 48 psi) or more and the target gear ratio is 2.0 or more.

 - ○
Malfunction Condition The actual gear ratio is 2.0 or more. ○ -
The actual gear ratio is less than 0.5. - ○
Duration 2 seconds or more 1.5 seconds or more
Detection Logic 1 trip detection logic 1 trip detection logic

Tech Tips

This DTC is output when either of the above detection patterns is met.

MONITOR DESCRIPTION

The ECM compares the actual gear ratio with the target gear ratio. When the actual gear ratio and target gear ratio are different, the ECM detects the malfunction, illuminates the MIL and stores this DTC.

CAUTION / NOTICE / HINT

Note


  • Perform initialization after replacing any parts related to the continuously variable transaxle system.

    Click here

  • Check that no DTCs are stored after performing initialization.

    Click here

Tech Tips

After performing repair, clear the DTCs and perform the following procedure to check that DTCs are not output.


  1. Perform the D position test in Road Test.

    Click here

  2. Check for DTCs again.

    Click here

PROCEDURE


  1. CHECK DTC OUTPUT (IN ADDITION TO DTC P2820)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.


      Powertrain > Engine and ECT > Trouble Codes

    5. Read the DTCs using the GTS.

      Tech Tips

      If any DTCs other than P2820 are output, perform troubleshooting for those DTCs first.

      Result
      Result Proceed to
      Only DTC P2820 is output A
      DTC P2820 and other DTCs are output B

    B

    GO TO DTC CHART Click here

    A

  2. REPLACE CONTINUOUSLY VARIABLE TRANSAXLE ASSEMBLY


    1. Replace the continuously variable transaxle assembly.


      • When Not Using the Engine Support Bridge

        Click here

      • When Using the Engine Support Bridge

        Click here

      Result
      Proceed to
      NEXT

    NEXT

    PERFORM INITIALIZATION Click here