## VTEC/VTC System

#### DTC Troubleshooting (cont'd)

11-106

1. Disconnect ECM connector B (24P).

1. Check for continuity between ECM connector terminal B15 and body ground.

ECM CONNECTOR B (24P)

Wire side of female terminals

Is there continuity?

YES - Repair short in the wire between the VTEC solenoid valve and the ECM (B15).

NO - Go to step 32.

1. Connect the VTEC solenoid valve 2P connector terminal No. 2 and body ground with a jumper wire.

VTEC SOLENOID VALVE 2P CONNECTOR

Wire side of female terminals

1. Check for continuity between ECM connector terminal B15 and body ground.

ECM CONNECTOR B (24P)

Wire side of female terminals

Is there continuity?

YES - Substitute a known-good ECM and recheck (see page 11-5). If symptom/indication goes away, replace the original ECM.

NO - Repair open in the wire between the VTEC solenoid valve and the ECM (B15).

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