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Diagnostic Procedure NHEC0983 1 CHECK GROUND CONNECTIONS 1. Turn ignition switch OFF. Refer to “Ground Inspection”, EC-160. SEC047D OK or NG OK © GO TO 2. NG © Repair or replace ground connections. 2 CHECK CONNECTOR 1. Disconnect EVAP control system pressure sensor harness connector. Water should not exist. OK or NG OK © GO TO 3. NG © Repair or replace harness connector. 3 CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT 1. Turn ignition switch ON. SEC063D Voltage: Approximately 5V OK or NG OK © GO TO 5. NG © GO TO 4. GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX DTC P0453 EVAP SYSTEM PRESSURE SENSOR Diagnostic Procedure EC-385 |