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OK OK NG GO TO STEP 6 4. CHECK HARNESS AND CONNECTOR (ECM - EGR VALVE ASSEMBLY) (a) Disconnect the EGR valve assembly connector. (b) Disconnect the ECM connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance (Check for Open): TESTER CONNECTION CONDITION SPECIFIED CONDITION D74-48 (EGR1) - D85-4 (EGR1) Always Below 1 Ω D74-1 (EGR2) - D85-3 (EGR2) Always Below 1 Ω D74-24 (EGR3) - D85-6 (EGR3) Always Below 1 Ω D74-47 (EGR4) - D85-1 (EGR4) Always Below 1 Ω Standard Resistance (Check for Short): TESTER CONNECTION CONDITION SPECIFIED CONDITION D74-48 (EGR1) or D85-4 (EGR1) - Body ground Always 10 kΩ or higher D74-1 (EGR2) or D85-3 (EGR2) - Body ground Always 10 kΩ or higher D74-24 (EGR3) or D85-6 (EGR3) - Body ground Always 10 kΩ or higher D74-47 (EGR4) or D85-1 (EGR4) - Body ground Always 10 kΩ or higher (d) Reconnect the EGR valve assembly connector. (e) Reconnect the ECM connector. NG REPAIR OR REPLACE HARNESS OR CONNECTOR 1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0403; Exhaus... |