Computers and Control Systems: Service and Repair
Component Locations Overview
Components A through E are not shown in the exploded view illustration.
1 - Valve 1 for camshaft adjustment (N205)
• Removing and installing => [ Camshaft Adjustment Valve 1, Removing and Installing ] Service and Repair
2 - Wastegate Bypass Regulator Valve (N75)
• Installed directly on turbocharger => [ Components on turbocharger ]
3 - Turbocharger Recirculating Valve (N249)
• Installed directly on turbocharger => [ Components on turbocharger ]
4 - Ignition coils with power output stages
• Removing and installing => [ Ignition Coils with Power Output Stages, Removing and Installing ] Service and Repair
• Ignition Coil 1 with Power Output Stage (N70)
• Ignition Coil 2 with Power Output Stage (N127)
• Ignition Coil 3 with Power Output Stage (N291)
• Ignition Coil 4 with Power Output Stage (N292)
• The ignition coils must be pulled out of the cylinder head using the ignition coil puller (T40039)
5 - Engine Control Module (J623)
• Passat, Removing and Installing => [ Engine Control Module, Passat ] Table of Contents
6 - Mechanical single-piston high-pressure pump with Fuel Pressure Regulator Valve (N276)
• Component location => [ High pressure pump ]
• Removing and installing => [ High Pressure Pump, Removing and Installing ] High Pressure Pump, Removing and Installing
7 - Fuel Pressure Regulator Valve (N276)
• Component location => [ High pressure pump ]
8 - Engine Coolant Temperature (ECT) Sensor (on Radiator) (G83)
• Passat, Rabbit, Eos and Scirocco: in the bottom radiator connection => [ Radiator, Fan Shroud and Radiator Fan, Passat, Rabbit, Eos and Scirocco, Assembly Overview ] Radiator, Fan Shroud and Radiator Fan, Passat, Rabbit, Eos and Scirocco, Assembly Overview
• Tiguan: in the coolant hose.
9 - Vacuum diaphragm for the channel separating plate
• Component location => [ ]
10 - Intake Manifold Runner Control (IMRC) Valve (N316)
• Component location => [ ]
11 - Engine speed (RPM) sensor (G28)
• Left lower front installation location => [ ]
12 - Charge Air Pressure Sensor (G31)
• Component location => [ ]
13 - electrical connector from Knock Sensor (KS) 1 (G61)
• Installed location beneath intake manifold => [ Electrical harness connectors ]
• Knock sensor 1 (G61) tightening specification: 20 Nm
14 - electrical connector from the Camshaft position (CMP) sensor 2 (G40)
• Installed location beneath intake manifold => [ Electrical harness connectors ]
15 - 8-pin harness connector for fuel injectors
• Installed location beneath intake manifold => [ Electrical harness connectors ]
16 - Throttle valve control module (J338)
• With Throttle Drive (for Electronic Power Control (EPC)) (G186), Throttle Drive Angle Sensor 1 (for Electronic Power Control (EPC)) (G187) and Throttle Drive Angle Sensor 2 (for Electronic Power Control (EPC)) (G188)
• After replacing the Throttle Valve Control Module (J338), it must be adapted to the Engine Control Module (J623); Vehicle Diagnosis, Testing and Information System (VAS 5051B)
17 - Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 (N80)
18 - Intake Air Temperature (IAT) Sensor (G42)
• bolted to the intake manifold at the front => [ Intake Manifold, Assembly Overview ] Intake Manifold, Assembly Overview
19 - Knock Sensor (KS) 1 (G61)
• on the front cylinder block under the intake manifold
• Tightening Specifications 20 Nm
20 - Engine Coolant Temperature (ECT) Sensor (G62)
• in the coolant pump housing => [ ]
21 - Camshaft Position (CMP) sensor (G40)
• bolted on the front cylinder head cover => [ ]
22 - Fuel Pressure Sensor (G247)
• on the fuel rail => [ Fuel Rail, Assembly Overview ] Fuel Rail, Assembly Overview
23 - Intake Manifold Runner Position Sensor (G336)
• in the intake manifold on the right
24 - Oil pressure switch (F1)
• in the accessory assembly bracket => [ Oil Filter, Oil Cooler and Oil Pressure Switch, Assembly Overview ] Oil Filter, Oil Cooler and Oil Pressure Switch, Assembly Overview
A - Data Link Connector (DLC)
• in the driver side footwell
B - Mass air flow (MAF) sensor (G70) and intake air temperature (IAT) sensor 2 (G299)
• Component location => [ and ]
• Removing and installing => [ Mass Air Flow Sensor, Removing and Installing ] Service and Repair
C - Throttle Position (TP) Sensor (G79) and Accelerator Pedal Position Sensor 2 (G185)
• On accelerator pedal (both sensors are stored in one housing)
• If the accelerator pedal module or engine control module (ECM) is replaced in vehicles with automatic transmission, the kick-down function must be adapted.
• Removing and installing => [ Accelerator Pedal Module, Removing and Installing ] Accelerator Pedal Module, Removing and Installing
D - Coolant Fan Control (FC) Control Module (J293)
• The Coolant Fan Control (FC)Control Module (J293) is integrated in the Coolant Fan (V7).
E - Fuel injector
• In fuel rail pipe
• Removing and installing => [ Fuel Injectors, Removing and Installing ] Fuel Injectors, Removing and Installing
• Cylinder 1 Fuel Injector (N30)
• Cylinder 2 Fuel Injector (N31)
• Cylinder 3 Fuel Injector (N32)
• Cylinder 4 Fuel Injector (N33)
High pressure pump
1 Fuel high pressure pump
2 Fuel Pressure Regulator Valve (N276)
Intake Manifold Runner Control (IMRC) Valve (N316) - 2 -
1 Vacuum diaphragm for the channel separating plate
Mass air flow (MAF) sensor (G70) and intake air temperature (IAT) sensor 2 (G299)- 1 -
Engine Speed (RPM) Sensor (G28) - 1 -
Camshaft Position (CMP) Sensor (G40) - 1 -
Electrical harness connectors
1 from the Camshaft position (CMP) sensor (G40)
2 from the Knock Sensor (KS) 1 (G61)
3 8-pin harness connector for fuel injectors
Engine Coolant Temperature (ECT) Sensor (G62) - 1 -
• Under the intake manifold (the intake manifold is not shown in the illustration).
Charge Air Pressure Sensor (G31) - 1 -
Components on turbocharger
1 Turbocharger, removing and installing => [ Turbocharger, Removing and Installing ] [1][2]Turbocharger
2 Tighten the wastegate bypass regulator valve (N75) to 3 Nm.
3 Tighten the turbocharger recirculating valve (N249) to 7 Nm (observe installation location, next illustration)
Observe installed location of Turbocharger Recirculating Valve (N249)
