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Home >> Volkswagen >> 2009 >> Touareg 4.2 R >> Repair and Diagnosis >> Engine Performance >> Ignition System >> 4.2L - Ignition/Glow Plug System - Engine Code(S): Bar >> 28 Ignition/Glow Plug System >> Description And Operation >> Cylinder Bank 1 Component Location
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Cylinder Bank 1 Component Location

Fig 1: Cylinder Bank 1, Assembly Overview
GWWN28-10051Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Ignition coils, cylinder bank 1
    • 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-.
    • Component location, refer to Figure
  2. Camshaft Position (CMP) sensor 3 -G300-
    • Component location, refer to Fig 5
  3. Mass Air Flow (MAF) sensor -G70- /Intake Air Temperature (IAT) sensor -G42-
  4. Engine Control Module (ECM) -J623-
  5. Camshaft adjustment valve 1 (exhaust) -N318-
    • Component location, refer to Fig 5
  6. Fuel metering valve -N290-
    • In high pressure pump.
    • Component location, refer to Fig 2
  7. Engine Coolant Temperature (ECT) sensor -G62-
    • Component location, refer to Fig 3
  8. Camshaft adjustment valve 1 -N205-
    • Component location, refer to Fig 4
  9. Evaporative Emission (EVAP) canister purge regulator valve 1 -N80-
    • Component location, refer to Fig 6
  10. Camshaft Position (CMP) sensor -G40-
    • Component location, refer to Fig 4
  11. Knock Sensor (KS) 2 -G66-
    • Component location, refer to Fig 4
    • Removing and installing  , refer to KNOCK SENSOR .
  12. Fuel injectors, cylinder bank 1
    • Cylinder 1 fuel injector -N30-.
    • Cylinder 2 fuel injector -N31-.
    • Cylinder 3 fuel injector -N32-.
    • Cylinder 4 fuel injector -N33-.
    • Component location, refer to Fig 4
  13. Variable intake manifold runner motor -V183-
    • Component location, refer to Fig 7
  14. Fuel pressure sensor -G247-
    • Component location, refer to Fig 4
  15. Secondary Air Injection (AIR) combination valve
    • For cylinder bank 1.
  16. Intake manifold runner position sensor -G336-
    • Component location, refer to Fig 7
    • After replacement, adapt in "Guided Functions" operating mode in "Adapting intake manifold runner position sensor".
  17. Electrical connectors
    • Black for knock sensor 1 -G61-.
    • Brown for knock sensor 2 -G66-.
  18. Knock Sensor (KS) 1 -G61-
    • Component location, refer to Fig 4
    • Removing and installing  , refer to KNOCK SENSOR .
Fig 2: Disconnecting Electrical Connector At Fuel Metering Valve 2 N290 On Right High Pressure Pump
GWWA24-10174Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
Fig 3: Component Location Of Engine Coolant Temperature (ECT) Sensor G62
GWWA19-10283Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
Fig 4: Component Location View From Inside From Right Cylinder Head
GWWA24-10164Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Fuel pressure sensor -G247-
  2. KS 1 -G61-
  3. CMP sensor -G40-
  4. Cylinder 1 fuel injector -N30-
  5. Cylinder 2 fuel injector -N31-
  6. Cylinder 3 fuel injector -N32-
  7. Cylinder 4 fuel injector -N33-
  8. Camshaft adjustment valve 1 -N205-
  9. KS 2 -G66-
Fig 5: Disconnecting Camshaft Position (CMP) Sensor 3 G300 Electrical Harness Connector
GWWA24-10162Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. CMP sensor 3 -G300-
  2. Camshaft adjustment valve 1 (exhaust) -N318-
  3. Ignition coil 4 with power output stage -N292-
  4. Ignition coil 3 with power output stage -N291-
  5. Ignition coil 2 with power output stage -N127-
  6. Ignition coil 1 with power output stage -N70-
Fig 6: Identifying Electrical Harness Connector And Evaporative Emission (EVAP) Canister Purge Regulator Valve N80
GWWA24-10188Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. EVAP canister purge regulator valve 1 -N80-
  2. EVAP canister purge regulator valve -N80- electrical connector
Fig 7: Location At Front Of Intake Manifold
GWWA24-10197Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Intake flap motor -V157- (brown connector)
  2. Intake manifold runner position sensor -G336-
  3. Variable intake manifold runner motor -V183- (black connector)
  4. Intake manifold runner position sensor 2 -G512-
Fig 8: Components Located On Front Of Engine With An Plastic Intake Manifold)
GWWA24-10587Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1 - KS 2 -G66- (brown connector)

2 - KS 1 -G61- (black connector)

3 - Fuel metering valve -N290-

4 - Intake manifold runner position sensor -G336-

5 - Fuel pressure sensor -G247-

6 - Intake Manifold Runner Control (IMRC) valve -N316-

7 - Intake Manifold Tuning (IMT) valve -N156-

8 - Intake manifold runner position sensor 2 -G512-

9 - Fuel metering valve 2 -N402-

10 - KS 4 -G199- (black connector)

11 - KS 3 -G198- (brown connector)

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