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OK 2. INSPECT MASS AIR FLOW METER (POWER SOURCE VOLTAGE) (a) Disconnect the mass air flow meter connector. (b) Turn the ignition switch to ON. (c) Measure the voltage according to the value(s) in the table below. Standard Voltage: TESTER CONNECTION SWITCH CONDITION SPECIFIED CONDITION D7-1 (+B) - Body ground Ignition switch ON 11 to 14 V NG GO TO STEP 7 3. CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER - ECM) (a) Disconnect the mass air flow meter connector. (b) Disconnect the ECM connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance: TESTER CONNECTION CONDITION SPECIFIED CONDITION D7-3 (VG) - D74-74 (VG) Always Below 1 Ω D7-2 (E2G) - D74-75 (E2G) Always Below 1 Ω D7-3 (VG) or D74-74 (VG) - Body ground Always 10 kΩ or higher 1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0102,P0103;... |