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Diagnostic Procedure NHEC0937 1 CHECK KNOCK SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-I 1. Turn ignition switch OFF. NOTE: Ω . SEC118D 4. Also check harness for short to ground and short to power. OK or NG OK © GO TO 5. NG © GO TO 2. 2 CHECK KNOCK SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-II 1. Disconnect knock sensor harness connector. Continuity should exist. 3. Also check harness for short to ground and short to power. OK or NG OK © GO TO 4. NG © GO TO 3. 3 DETECT MALFUNCTIONING PART Check the following. I Harness connectors F8, F131 I Harness for open or short between ECM and knock sensor © Repair open circuit or short to ground or short to power in harness or connectors. GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX DTC P0327, P0328 KS Diagnostic Procedure EC-313 |