Code No. P0826: Malfunction of Shift Switch Assembly










DIAGNOSTIC FUNCTION



JUDGMENT CRITERIA



PROBABLE CAUSES



  • Malfunction of selector lever assembly (Faulty shift switch assembly)
  • Damaged wiring harness and connectors
  • Malfunction of CVT-ECU

DIAGNOSTIC PROCEDURE

STEP 1. M.U.T.-III data list

  • Item 52: Select SW (UP)
  • Item 53: Select SW (DOWN) (Refer to Service Data Reference Table .)

Q. Is the check result normal?
Intermittent malfunction
Go to Step 2.

STEP 2. Check shift switch assembly
Refer to .

Q. Is the check result normal?
Go to Step 3.
Replace the selector lever assembly.

STEP 3. Check the following connector:

  • C-135 CVT-ECU connector
  • C-26 selector lever assembly connector
Check the terminals for a contact status problem and internal short circuit.

Q. Is the check result normal?
Go to Step 4.
Repair the defective connector.

STEP 4. Check for open circuit and short to earth in the wiring harness between the CVT-ECU connector and the selector lever assembly.

  • Between C-135 CVT-ECU connector (terminal No. 35) and C-26 selector lever assembly connector (terminal No. 8)
  • Between C-135 CVT-ECU connector (terminal No. 43) and C-26 selector lever assembly connector (terminal No. 10)
  • Between C-135 CVT-ECU connector (terminal No. 44) and C-26 selector lever assembly connector (terminal No. 9)

Q. Is the check result normal?
Go to Step 5.
Repair the wiring harness.

STEP 5. Check for open circuit in the wiring harness between the selector lever assembly connector and the body earth
Between C-26 selector lever assembly connector (terminal No. 7) and body earth

Q. Is the check result normal?
Go to Step 6.
Repair the wiring harness.

STEP 6. Symptom recheck after erasing diagnosis code

Q. Is the check result normal?
Intermittent malfunction
Replace CVT-ECU.