Inspection Procedure 5: Gears cannot be Changed in Sport Mode.










SYMPTOMS



PROBABLE CAUSES



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

DIAGNOSTIC PROCEDURE

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

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

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

STEP 2. Shift switch assembly single unit check
Refer to .

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

STEP 3. Check the following connector:

  • C-26 selector lever assembly connector
  • C-135 CVT-ECU connector
  • C-37 intermediate 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 connector concerned.

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

  • Between C-26 selector lever assembly connector (terminal No. 7) and body earth
  • Between C-26 CVT assembly connector (terminal No. 8) and C-135 CVT-ECU connector (terminal No.35)
  • Between C-26 CVT assembly connector (terminal No. 9) and C-135 CVT-ECU connector (terminal No.44)
  • Between C-26 CVT assembly connector (terminal No. 10) and C-135 CVT-ECU connector (terminal No.43)
  • Between C-26 selector lever assembly connector (terminal No. 8) and body earth
  • Between C-26 selector lever assembly connector (terminal No. 9) and body earth
  • Between C-26 selector lever assembly connector (terminal No. 10) and body earth

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

STEP 5. Retest the system.

Q. Does the malfunction take place again?
Replace CVT-ECU.
Intermittent malfunction