DTC P2652 (1.5 L Engine)

DTC P2652  : Rocker Arm Oil Pressure Stuck On

Special Tools Required 

-Pressure Gauge Adapter 07NAJ-P07010A 

-A/T Low Pressure Gauge w/Panel 07406-0070301 

-A/T Pressure Test Hose 07AAJ-PY4A100 

-A/T Pressure Adapter 07MAJ-PY40120 

-Oil Pressure Hose 07ZAJ-S5AA200 

NOTE: 

• How to read the torque specifications .
• Before you troubleshoot, review the general troubleshooting information .
• If DTC P055D, P2653, and/or P2654 are stored at the same time as DTC P2652, troubleshoot those DTCs first, then recheck for DTC P2652.

1. Oil level check

   -1. Check the engine oil level .

   Is the level OK?

   YES 

   Go to step 2.

   NO 

   Adjust the engine oil to the proper level .

2. Problem verification

   -1. Turn the vehicle to the ON mode.

   -2. Clear the DTC with the HDS.

   -3. Select the VTEC TEST in the Function Test with the HDS.

   VTEC TEST

   Is the result OK?

   YES 

   Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the rocker arm oil pressure sensor 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 .

   NO 

   The failure is duplicated. Go to step 3.

3. DTC check

   -1. Check for Pending or Confirmed DTCs with the HDS.

   DTC Description	Confirmed DTC	Pending DTC
   P055D Rocker Arm Oil Pressure Sensor High Voltage
   P2654 Rocker Arm Oil Control Solenoid Circuit High Voltage

   Is DTC P055D and/or P2654 indicated?

   YES 

   Go to the indicated DTCs troubleshooting.

   NO 

   Go to step 4.

4. VTEC system oil pressure check

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

   -2. Remove the rocker arm oil pressure sensor (A), and attach the special tools as shown, then attach the rocker arm oil pressure sensor to the oil pressure gauge adapter (B).

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

   -3. Reconnect the following connector.

   Rocker arm oil pressure sensor 3P connector

   -4. Select the VTEC TEST in the Function Test with the HDS.

   VTEC TEST

   Check the oil pressure while the status of VTEC solenoid valve on the HDS display is OFF.

   Is the oil pressure 49 kPa (0.50 kgf/cm 2, 7.1 psi) or more?

   YES 

   Inspect the VTEC system oil passage. If it is OK, replace the rocker arm oil control valve .

   NO 

   Replace the rocker arm oil pressure sensor .