VTEC System Oil Pressure Troubleshooting
Special Tools Required

Oil pressure gauge joint attachment
 07NAJ-P070100

Low pressure gauge assy. 1,000 kPa
 07406-0070002

Oil pressure hose
 07ZAJ-S5A0200
NOTE:
  • Check for Temporary DTCs or DTCs with the HDS before this procedure. If there are any DTCs indicated, troubleshoot them first, then do this procedure.
  • Check that the oil pressure indicator goes off after starting engine before this procedure.
  1. Turn the ignition switch to ON (II).
  1. Do the VTEC TEST in the INSPECTION MENU with the HDS.
Can you hear the rocker arm oil control solenoid click?
YES -
Go to Step 6 .
NO -
Go to Step 3 .
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the rocker arm oil control solenoid 2P connector.
  1. Connect the battery positive terminal (+) to the rocker arm oil control solenoid 2P connector terminal No. 1 and the negative terminal (−) to terminal No. 2 with wires.
Is the rocker arm oil control solenoid clicking?
YES -
Update the ECM if it does not have the latest software, or substitute a known-good ECM, then recheck. If the symptom/indication goes away with a known-good ECM, replace the original ECM. ■
NO -
Go to Step 22 .
  1. Turn the ignition switch to LOCK (0).