## VTEC/VTC System

#### DTC Troubleshooting (cont'd)

11-98

1. Check for continuity between ECM connector terminal B1, B23* and body ground.

ECM CONNECTOR B (24P)

Wire side of female terminals

Is there continuity?

YES - Go to step 11.

NO - Substitute a known-good ECM and recheck (see page 11-5). If symptom/indication goes away, replace the original ECM.

1. Disconnect the VTC oil control solenoid valve 2P connector.

1. Check for continuity between ECM connector terminal B1, B23* and body ground.

ECM CONNECTOR B (24P)

Wire side of female terminals

Is there continuity?

YES - Repair short in the wire between the ECM (B1, B23*) and the VTC oil control solenoid valve.

NO - Replace the VTC oil control solenoid valve.

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