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DTC P0816: Paddle Shift Switch (Down) System
 
 
 
 
DESCRIPTIONS OF MONITOR METHODS
With the ignition switch ON, the paddle shift switch (down) status continues for 60 seconds.
 
 
PROBABLE CAUSES
  • 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.
[TCM connector (harness side, connected)]
Measure the voltage between the PDDW terminal and body ground.
  • Ignition switch: ON
  • Paddle shift operated (DOWN): 1V or less
  • Other than above: Battery positive voltage
Is the check result normal?
Go to Step 2.
Go to Step 3.
 
STEP 2. Check the TCM connector, vehicle-side wiring harness connector pin terminal, and the connection status.
Is the check result normal?
Go to Step 6.
Repair or replace the failure section.
 
STEP 3. Check for continuity in PDDW line between the TCM 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.
Is the check result normal?
Go to Step 4.
Repair the connector(s) or wiring harness.
 
STEP 4. Check the paddle shift switch (down).
Refer to .
Is the check result normal?
Go to Step 5.
Repair or replace the failure section.
 
STEP 5. Check the TCM connector, vehicle-side wiring harness connector pin terminal, and the connection status.
Is the check result normal?
Replace the TCM.
Repair or replace the failure section.
 
STEP 6. Erase the DTC, and drive the vehicle for a while.
Check that the normal code is displayed.
Is the check result normal?
The procedure is complete.
Return to Step 1.