general information - Martin Nez

FI SYSTEM DIAGNOSIS 4-73Is the voltage OK?1YESNO• P wire open or shorted to ground• If wire and connection are OK, intermittent troubleor faulty ECM.• Recheck each terminal and wire harness foropen circuit and poor connection.• Replace the ECM with a known good one, andinspect it again.• P or B/W wire open, or P wire shorted to ground• Loose or poor contacts on the ECM coupler(terminal M or X)• If wire and connection are OK, replace the GPswitch with a new one.ECM couplers (Harness side)9) After repairing the trouble, clear the DTC using SDS tool.(4-26)