Code No. P0815: Paddle Shift Switch (Up) System




DIAGNOSIS CODE SET CONDITIONS


With the ignition switch ON, the paddle shift switch (up) status continues for 60 seconds.
PROBABLE CAUSES

DIAGNOSIS PROCEDURE


STEP 1. Check the A/T-ECU terminal voltage.


[A/T-ECU connector (harness side, connected)]
Measure the voltage between the PDUP terminal and body earth.

  • Ignition switch: ON

  • Paddle shift operated (UP): 1V or less

  • Other than above: system voltage

Q. Is the check result normal?

Go to Step 2.
Go to Step 3.

STEP 2. Check the A/T-ECU connector, vehicle-side wiring harness connector pin terminal, and the connection status.


Q. Is the check result normal?

Go to Step 6.
Repair or replace the failure section.

STEP 3. Check for continuity in PDUP line between the A/T-ECU connector and the paddle shift switch connector.


When the continuity check result is OK, check that the wiring harness is not shorted to the body and other wiring harness.

Q. Is the check result normal?

Go to Step 4.
Repair the connector(s) or wiring harness.

STEP 4. Check the paddle shift switch.


Refer to or .

Q. Is the check result normal?

Go to Step 5.
Repair or replace the failure section.

STEP 5. Check the A/T-ECU connector, vehicle-side wiring harness connector pin terminal, and the connection status.


Q. Is the check result normal?

Replace the A/T-ECU.
Repair or replace the failure section.

STEP 6. Erase the diagnosis code, and drive the vehicle for a while.


Check that the normal code is displayed.

Q. Is the check result normal?

The procedure is complete.
Return to Step 1.