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Diagnostic Procedure INSPECTION START CHECK POWER SUPPLY. ness connector. 3. Turn ignition switch to “ON” position. sensor connector terminal q 2 and engine ground with CONSULT-II or OK E NG Check the following: I 10A fuse I Harness continuity I Harness connectors F100 , M775 (RHD mod- els) I Harness continuity If NG, replace 10A fuse or CHECK GROUND CIRCUIT. screws. 4. Check harness continuity between mass air flow sensor harness connec- q 3 and ECM connector ter- minal 218 . Refer to wiring diagram. Continuity should exist. OK E NG Check the following. I Harness connectors F100 , M775 (RHD mod- els) I Harness continuity If NG, repair or replace CHECK INPUT SIGNAL CIRCUIT. q 4 and ECM connector terminal 223 . Refer to wiring diagram. OK E NG Check the following. I Harness connectors F100 , M775 (RHD mod- els) I Harness continuity If NG, repair or replace CHECK INPUT SIGNAL CIRCUIT. q 5 and ECM connector terminal 224 . Refer to wiring diagram. OK E NG Check the following. I Harness connectors F100 , M775 (RHD mod- els) I Harness continuity If NG, repair or replace CHECK COMPONENT OK E NG Replace mass air flow sen- q A NEF664 NEF591 NEF352 H H H H H H DTC P0100 MASS AIR FLOW SEN TD27Ti EC-382 |