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Diagnostic Procedure 1 CHECK START SIGNAL OVERALL FUNCTION With CONSULT-II 1. Turn ignition switch “ON”. SEF604X Without CONSULT-II Check voltage between ECM terminal 20 and ground under the following conditions. SEF415Y OK or NG OK E INSPECTION END NG E GO TO 2. 2 CHECK START SIGNAL INPUT SIGNAL CIRCUIT 1. Turn ignition switch “OFF”. Continuity should exist. 4. Also check harness for short to ground and short to power. OK or NG OK E GO TO 4. NG E GO TO 3. 3 DETECT MALFUNCTIONING PART Check the following. I Harness connectors M787, F66 (LHD models) I Harness for open or short between ECM and ignition switch E Repair open circuit or short to ground or short to power in harness or connectors. START SIGNAL ZD30DDTi EC-249 |