1.9-ltr. TDI Engine with Pump Injection System - Volkswagen ...

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Engine managementSystem overviewAir-mass flow meterG70Altitude sender F96Engine speed sender G28Hall sender G40Accelerator position sender G79Kick-down switch F8Idling speed switch F60Coolant temperature sender G62Diagnosis wireand immobiliser wireIntake manifold pressure sender G71Intake manifold temperature sensor G72Clutch pedal switch F36CAN databusBrake light switch Fand brake pedal switch F47Fuel temperaturesender G81Auxiliary signals:Road speed signalAir conditioner compressor readyCCS switch3-phase AC alternator terminal DFABS control unit J10426
Glow plugs Q6Control unitfor diesel directinjection system J248Glow plug relayJ52Pumpinjector valves,Cylinders 1-4N240 - N243Glow periodwarning lampK29EGR valve N18Solenoid valvefor charge pressurecontrol N75Change-over valvefor intake manifold flapN239Pump relay,fuel cooling J445Fuel coolingpumpV 166Automatic gearbox controlunit J217Auxiliary signals:Coolant auxiliary heaterEngine speedCooling fan run-onAir conditioner compressor cut-offFuel consumption signal209_5327
Page 3 and 4: Table of contentsIntroduction .....
Page 5 and 6: SpecificationsEngine code:Type:Stro
Page 7 and 8: Fitting locationThe pump injector i
Page 9 and 10: Drive mechanismThe camshaft has fou
Page 11 and 12: The injection cycleThe high-pressur
Page 13 and 14: The pre-injection cycle commencesIn
Page 15 and 16: The injection cycleThe main injecti
Page 17 and 18: Fuel return in the pump injectorThe
Page 19 and 20: The bypassThe pressure limiting val
Page 21 and 22: This is how it works:The fuel pump
Page 23 and 24: Without a distributor pipe, the fue
Page 25: The fuel cooling circuitThe fuel re
Page 29 and 30: Cylinder recognition when starting
Page 31 and 32: FunctionQuick start recognitionTo a
Page 33 and 34: The following sensors have previous
Page 35 and 36: Intake manifold pressure sender G71
Page 37 and 38: Brake light switch F andbrake pedal
Page 39 and 40: ActuatorsInjector solenoid valvesN2
Page 41 and 42: When the valve is closed, the curre
Page 43 and 44: Fuel cooling relay J445The fuel coo
Page 45 and 46: Warning lamp for glow period K29The
Page 47 and 48: Glow plug systemGlow plug systemThe
Page 49 and 50: 3015J52SSSSE45A/+B D F GFF47F36CESG
Page 51 and 52: Engine mechanicalsTo make allowance
Page 53 and 54: This is how it works:During the inj
Page 55 and 56: Special toolsDesignation Tool UseT
Page 57 and 58: Test your knowledge1.Identify the c
Page 59 and 60: NotesSolutions:1. For a list of com

1.9-ltr. TDI Engine with Pump Injection System - Volkswagen ...

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