DTC P003A, P0046 (1.5 L Engine)

DTC P003A  : Turbocharger Wastegate Control Actuator Position Exceeded Learning Limit DTC P0046  : Turbocharger Wastegate Control Actuator Circuit Range/Performance Problem

NOTE:  Before you troubleshoot, review the general troubleshooting information .

DTC (PGM-FI)

1. Problem verification

   -1. Turn the vehicle to the ON mode.

   -2. Clear the DTC with the HDS.

   -3. Start the engine. Hold the engine speed at 3, 000 rpm without load (CVT in P or N, M/T in neutral) until the radiator fan comes on.

   -4. Select the Electric Waste Gate in the Function Test with the HDS.

   Electric Waste Gate

   Check for Pending or Confirmed DTCs with the HDS.

   DTC Description	Confirmed DTC	Pending DTC
   P003A Turbocharger Wastegate Control Actuator Position Exceeded Learning Limit
   P0046 Turbocharger Wastegate Control Actuator Circuit Range/Performance Problem

   Is DTC P003A or P0046 indicated?

   YES 

   Go to step 2.

   NO 

   Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the turbocharger wastegate control actuator and the PCM. If the on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the on-board snapshot .

2. Turbocharger check

   -1. Check for the foreign materials at the turbocharger wastegate control actuator link part and the damage on the turbocharger cover.

   Is there foreign materials at the turbocharger wastegate control actuator link part or the damage on the turbocharger cover?

   YES 

   Repair the turbocharger wastegate control actuator link or the turbocharger cover, then go to step 1.

   NO 

   Go to step 3.

3. Turbocharger wastegate control actuator check

   -1. Select the Electric Waste Gate in the Function Test with the HDS.

   Electric Waste Gate

   Visually inspect the operation of the turbocharger wastegate control actuator.

   Does the turbocharger wastegate control actuator operate?

   YES 

   Go to step 4.

   NO 

   Replace the turbocharger .

4. Turbocharger wastegate control actuator position sensor check

   -1. Turn the vehicle to the OFF (LOCK) mode.

   -2. Disconnect the following connector.

   Turbocharger 5P connector

   -3. Turn the vehicle to the ON mode.

   -4. Measure the voltage between test points 1 and 2.

   Test condition	Vehicle ON mode
   	Turbocharger 5P connector: disconnected
   Test point 1	Turbocharger 5P connector (female terminals) No. 2:
   Test point 2	Turbocharger 5P connector (female terminals) No. 3:

   Courtesy of HONDA, U.S.A., INC.

   Is there about 5.0 V?

   YES 

   Replace the turbocharger .

   NO 

   The turbocharger wastegate control actuator position sensor is OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good PCM .