PGM-FI System

DTC Troubleshooting (cont'd)

11-397  

  1. Disconnect ECM/PCM connector B (24P).
  1. Check for continuity between ECM/PCM connector terminal B15 and body ground.

ECM/PCM 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/PCM (B15).

NO

- Go to step 33.


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

VTEC SOLENOID VALVE HARNESS 1P CONNECTORS

Wire side of female terminals

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

ECM/PCM CONNECTOR B (24P)

Wire side of female terminals

Is there continuity?

YES

- Substitute a known-good ECM/PCM and recheck (see page 11-313). If symptom/indication goes away, replace the original ECM/PCM.

NO

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