TIAGO

1.05L REVOTORQ ENGINE 3.9. ENGINE MANAGEMENT SYSTEM .................................................................................. 148 A ABBREVIATIONS ............................................................................................................................. 148 B AN OVERVIEW................................................................................................................................. 149 C ELECTRONIC CONTROL UNIT (ECU)............................................................................................ 150 D EMS SENSORS ................................................................................................................ 154 i CRANK POSITION SENSOR ...................................................................................................... 154 ii VEHICLE SPEED SENSOR ........................................................................................................ 155 iii WHEEL SPEED SENSOR ........................................................................................................... 156 iv CAMSHAFT POSITION SENSOR............................................................................................... 157 v AIR MASS FLOW SENSOR ........................................................................................................ 158 vi INLET METERING VALVE .......................................................................................................... 159 vii VENTURI...................................................................................................................................... 159 viii RAIL PRESSURE SENSOR ........................................................................................................ 159 ix THROTTLE PEDAL SENSOR ..................................................................................................... 160 x WATER IN FUEL SENSOR ......................................................................................................... 161 xi CLUTCH SWITCH ....................................................................................................................... 161 xii OIL PRESSURE SWITCH ........................................................................................................... 162 xiii BRAKE SWITCH.......................................................................................................................... 164 xiv COOLANT TEMPERATURE SENSOR ....................................................................................... 165 xv GLOW PLUG ............................................................................................................................... 166 xvi VACUUM MODULATOR OR ELECTRONIC VACUUM REGULATING VALVE (EVRV) ........... 167