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OK OK NEXT 12. CHECK HARNESS AND CONNECTOR (AIR FUEL RATIO SENSOR - ECM) (a) Disconnect the D33 or D34 A/F sensor connector. (b) Disconnect the D74 ECM connector. (c) Measure the resistance according to the value(s) in the table below. Standard resistance: TESTER CONNECTION CONDITION SPECIFIED CONDITION D33-1 (HA1A) - D74-22 (HA1A) Always Below 1 Ω D33-3 (A1A+) - D74-126 (A1A+) Always Below 1 Ω D33-4 (A1A-) - D74-125 (A1A-) Always Below 1 Ω D34-1 (HA2A) - D74-20 (HA2A) Always Below 1 Ω D34-3 (A2A+) - D74-103 (A2A+) Always Below 1 Ω D34-4 (A2A-) - D74-102 (A2A-) Always Below 1 Ω D33-1 (HA1A) or D74-22 (HA1A) - Body ground Always 10 kΩ or higher D33-3 (A1A+) or D74-126 (A1A+) - Body ground Always 10 kΩ or higher D33-4 (A1A-) or D74-125 (A1A-) - Body ground Always 10 kΩ or higher D34-1 (HA2A) or D74-20 (HA2A) - Body ground Always 10 kΩ or higher D34-3 (A2A+) or D74-103 (A2A+) - Body ground Always 10 kΩ or higher D34-4 (A2A-) or D74-102 (A2A-) - Body ground Always 10 kΩ or higher NG REPAIR OR REPLACE HARNESS OR CONNECTOR 13. REPLACE AIR FUEL RATIO SENSOR (a) Replace the air fuel ratio sensor
. 14. CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: Fuel Injectio... |