Inspection Procedure 6: Gears cannot be Changed in Paddle Shift.












SYMPTOMS



PROBABLE CAUSES



  • Malfunction of paddle shift switch
  • Damaged wiring harness and connectors
  • Malfunction of CVT-ECU

DIAGNOSTIC PROCEDURE

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

  • Item 54: Paddle shift SW (UP)
  • Item 55: Paddle shift SW (DOWN) (Refer to Service Data Reference Table .)

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

STEP 2. Check the following connector:

  • C-35 CVT-ECU connector
  • C-210 paddle shift switch connector
  • C-127 intermediate connector
Check the contact status of the terminals.

Q. Is the check result normal?
Go to Step 3.
Repair the damaged connector.

STEP 3. Paddle shift switch single unit check
Refer to .

Q. Is the check result normal?
Go to Step 4.
Replace the paddle shift assembly.

STEP 4. Check for open circuit in the wiring harness between the CVT-ECU connector and the paddle shift switch connector

  • Between C-35 CVT-ECU connector (terminal No. 22) and C-210 paddle shift switch connector (terminal No. 1)
  • Between C-35 CVT-ECU connector (terminal No. 21) and C-210 paddle shift switch connector (terminal No. 3)
  • Between C-210 paddle shift switch connector (terminal No. 2) and the body earth

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

STEP 5. Retest the system.

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