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3 CHECK EGR VOLUME CONTROL VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. Diagram. MTBL0389 Continuity should exist. 4. Also check harness for short to ground and short to power. OK or NG OK © GO TO 4. NG © Repair open circuit or short to ground or short to power in harness or connectors. GI MA EM LC FE CL MT AT AX SU BR ST RS BT HA SC EL IDX DTC P1402 EGR FUNCTION (OPEN) Diagnostic Procedure (Cont’d) EC-511 |