P0816

DTC P0816: Paddle Shift Switch (Down) System

PADDLE SHIFT SWITCH (DOWN) SYSTEM CIRCUIT

Refer to P0815.

DESCRIPTIONS OF MONITOR METHODS

- With the ignition switch ON, the paddle shift switch (down) status continues for 60 seconds.

TROUBLESHOOTING HINTS (THE MOST LIKELY CAUSES FOR THIS CODE TO BE SET ARE:)

- Malfunction of the Paddle shift switch (down) system circuit

- Damaged harness or connector

- Malfunction of the TCM

- Malfunction of the paddle shift switch

DIAGNOSIS

STEP 1. Check the TCM terminal voltage.

[C-37 TCM connector (vehicle side, connected)]

Measure the voltage between C-37 terminal No. 32 and body ground.

- Ignition switch: ON

- Paddle (ON) operated: 1V or less

- Other than above: battery positive voltage

Q. Is the check result normal?

YES Go to Step 2.
NO Go to Step 3.
STEP 2. Check the TCM connector, vehicle-side wiring harness connector pin terminal, and the connection status.

Q. Is the check result normal?

YES Go to Step 6.
NO Repair or replace the failure section.
STEP 3. Check between the TCM connector and the paddle shift switch (down).

Check for continuity between C-37 TCM connector and C-208 paddle shift switch (down).

NOTE:
Prior to the wiring harness inspection, check the intermediate connectors C-34 and repair that if necessary.

- Between C-37 terminal No. 32 and C-208 terminal No. 3: Continuity exists.

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?

YES Go to Step 4.
NO Repair or replace the failure section.
STEP 4. Check the paddle shift switch (down).

Refer to Paddle Shift Switch Check.

Q. Is the check result normal?

YES Go to Step 5.
NO Repair or replace the failure section.
STEP 5. Check the TCM connector, vehicle-side wiring harness connector pin terminal, and the connection status.

Q. Is the check result normal?

YES Replace the TCM.
NO Repair or replace the failure section.
STEP 6. Erase the DTC code, and drive the vehicle for a while.

Check that the normal code is displayed.

Q. Is the check result normal?

YES The procedure is complete.
NO Return to START.