## VTEC/VTC System

#### DTC Troubleshooting (cont'd)

11-99

DTC P0011: VTC System Malfunction

1. Reset the ECM (see page 11-4).

1. Start the engine. Hold the engine at 3,000 rpm (min-1) with no load (in Park or neutral) until the radiator fan comes on.

1. Test-drive at a steady speed between 30 - 60 km/h (19 - 37 mph) for 10 minutes.

1. Check for Temporary DTC with the scan tool.

   Is Temporary DTC P0011 indicated?

YES - Go to step 5.

NO - Intermittent failure, system is OK at this time. Check for poor connections or loose wires at the VTC oil control solenoid valve and at the ECM.

1. Watch the low oil pressure light.

   Is the low oil pressure light on?

YES - Check the oil pressure (see page 8-4).

NO - Go to step 6.

1. Turn the ignition switch OFF.

1. Remove the auto-tensioner (see page 4-26).

1. Remove the VTC strainer, check the VTC filter for clogging.

   Is it OK?

YES - Go to step 9.

NO - Replace the engine oil filter and the engine oil.

1. Check the VTC oil control solenoid valve (see page 11-107).

   Is the VTC oil control solenoid valve OK?

YES - Go to step 10.

NO - Clean the ports of the VTC oil control solenoid valve, or replace the VTC oil control solenoid valve.

1. Install the VTC oil control solenoid valve.

1. Connect a tachometer (A) to the test tachometer connector (B).

1. Start the engine. Hold the engine at 700 - 1,000 rpm (min-1).

1. Connect the ECM connector terminal B23 and body ground with a jumper wire.

ECM CONNECTOR B (24P)

Wire side of female terminals

a a a