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Service.
Self-Study Programme 251
The Passat, Model Year 2001
1

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Summary of Contents for Volkswagen PASSAT - YEAR 2001

  • Page 1 Service. Self-Study Programme 251 The Passat, Model Year 2001...
  • Page 2: Table Of Contents

    The Passat, Model Year 2001 have previously been described in other This Self-Study Programme summarises the Self-Study Programmes. To enable you to brush design features of the Passat 2001. It provides up your knowledge of specific technologies, we you with information about the various engines have enclosed an index at the back of this SSP.
  • Page 3: Table Of Contents

    At a glance Concisely ........4 Environmental protection .
  • Page 4: Brief Description Of Vehicle

    The Passat 2001 is based on the highly successful and particularly the bonnet, the wings and the predecessor model. In revising the vehicle, radiator grille. The bumpers now have full-length Volkswagen's designers retained the rubbing strips. characteristic basic shape of the saloon, with its distinctive dome roof.
  • Page 5 Concisely The rear end has been revised also, including the rear lights. The headlights have clear lenses and the indicator lights are built into the headlights. Solar roof BI-xenon headlights with dynamic headlight range control are also available. Improved crash concept 251_103...
  • Page 6 Concisely Variant The Variant has been revised, too. In addition to the new front-end design, which is identical in the Variant and saloon, the rear end and the rear lights have been redesigned in the Variant. New locking concept with radio wave folding key (fob) built into the driver's door.
  • Page 7 Concisely The Passat has a new locking concept. All models come with radio wave folding keys. There is no lock cylinder on the front passenger's door and the tailgate is separately released. Comfort-enhanced air conditioning system Distance control Spare wheel fitted with ready-for-road tyre 251_104 All technical modifications apply to saloon and Variant.
  • Page 8 Concisely Saloon 251_018 2703 mm (2707) 4703 mm (4675) The figures quoted in brackets refer to the predecessor model. 1746 mm (1740) 251_016 Dimensions and weights Model MY 2001 MY 1997 Length 4703 mm 4675 mm Width 1746 mm 1740 mm Height 1462 mm 1459 mm...
  • Page 9 Concisely Variant 251_054 2705 mm (2707) 4682 mm (4675) 251_055 251_056 1746 mm (1740) Dimensions and weights Model MY 2001 MY 1997 Length 4682 mm 4675 mm Width 1746 mm 1740 mm Height 1470 mm 1459 mm Wheelbase 2705 mm 2707 mm Turning circle 11.4 m...
  • Page 10: Environmental Protection

    Waste water treatment plant (biological) Volkswagen can look back on a long tradition of protecting the environment. When it built its first - Mittelland Canal and, to date, largest - plant in Wolfsburg, Volkswagen even then thought about ways of using the natural resource of water as economically as possible for example.
  • Page 11 Environmental Protection The Emden plant The Emden plant, where the majority of Passat models are built, was the first automobile manufacturing plant in Europe to be certified (in September 1995). The plant was re-audited and re- certified in September 1998. 251_091 West combined heat and power station Procurement of drinking water...
  • Page 12: Safety

    Safety Occupant protection The front airbags Full-size airbags are fitted in the Passat 2001 on the driver's and front passenger's sides. As in the predecessor model, the airbags have filling volumes of approximately 64 and 120 litres respectively. The central airbag control unit is located behind the central console, above the tunnel.
  • Page 13 Safety As before, the system has two lateral acceleration sensors, located beneath the seats. The lateral acceleration sensors are programmed with a vehicle-specific parameter when they are replaced. Where repair or replacement of defective parts is needed, it is important to specify the correct SP-number.
  • Page 14 Safety The belt tensioner/belts Belts and round off the restraint Ball-type tensioners are used in the front seating BELT TENSIONERS system. Standard belt tensioner systems are used positions. In comparison with the predecessor in the outer seat positions, front and rear. model, they are rotated through 180°.
  • Page 15: Child Restraint Systems

    Safety Child restraint systems Integrated child safety seats To make use of the integrated child safety seats, the elements of the seat cushion have to be raised and locked in place. An additional shoulder belt guide corrects the belt position for children with a height from 1.3m - 1.5m.
  • Page 16: Body

    Body Body reinforcements The body of the Passat 2001 was reinforced in the zones described below. In other words, the body panels have been thickened and the spot welds have been supplemented with laser-welded seams. Roof cross strut B-pillar, right Side member, right...
  • Page 17 Body B-pillar, left Side member, left Side member, top left Wheel housing, inner surface (sheet-metal reinforcements have been welded in on the left and right ) 251_041 Side member, top right Tunnel reinforcement Vehicle safety and natural body vibration (40 Hz) have been greatly improved as a result of these modifications.
  • Page 18: The Engines

    The engines Engines in general On the following pages, you will find All engines have an electrical throttle control. For descriptions of the engines to be used in the new more effective antitheft protection, the engine– Passat. They include specifications, torque and control unit communicates with the immobiliser performance curves, as well as details of control unit via CAN databus (3rd generation...
  • Page 19 The Engines 1.6-litre 75 kW petrol engine The engine is an improved version of the 1.6-litre petrol engine developing 74kW. The following components were optimised with regard to friction work and mass for higher fuel economy: the conrods ( ) were opti- TRAPEZOIDAL CONRODS mised for mass the piston lands were lowered to reduce pis-...
  • Page 20 The Engines 1.8-litre 110 kW petrol engine with 5 valves per cylinder and turbocharger The engine was adopted from the predecessor model and adapted to meet the applicable exhaust emissions regulations, as outlined below. No intermediate shaft Oil pump is chain driven Piston crown cooling via oil spray jet Rod-type ignition coils with integrated output stage...
  • Page 21 The Engines 2.0-litre 85 kW petrol engine The 2.0-litre engine was adopted from the predecessor model. In vehicles which have automatic transmission, an electrical vacuum pump produces the vacuum required for the brake booster (see page 43). 251_031 Specifications Engine code Displacement 1984 cm Type...
  • Page 22 The Engines The 2.3-litre 125 kW V-5 petrol engine with 4 valves per cylinder The following modifications have been made to this engine: 4 valves per cylinder valve gear OLLER CAM FOLLOWER UILT UP CAMSHAFT intake and AMSHAFT TIMING CONTROL exhaust camshafts Plastic twin-path intake manifold LECTRIC THROTTLE DRIVE...
  • Page 23 The Engines 2.8-litre 142 KW V-6 petrol engine with 5 valves per cylinder The Passat is still powered by the high- performance 2.8-litre V-6 petrol engine. The following improvements were made to this engine: 2 lambda probes were integrated in the exhaust line before the catalyst and after the catalyst.
  • Page 24 The Engines 1.9-litre 74 kW TDI engine with pump injection system The 1.9-litre 74 kW TDI engine is based on the 1.9-litre TDI engine developing 85 kW. It differs from the basic engine in the following respects: The software used in the engine control unit was adapted to the lower engine power.
  • Page 25 The Engines The 1.9-litre 96 kW TDI engine with pump injection system The 1.9-litre 96 kW TDI engine differs from 1.9- litre 74kW TDI engine with pump injection system in the following respects: The software used in the engine control unit was adapted to the higher engine power.
  • Page 26 The Engines The 2.5-litre V-6 TDI engine developing 110 kW The 2.5l V-6 TDI W has ENGINE DEVELOPING demonstrated its success in the predecessor model and will also be used in the Passat 2001 The following technical innovations were employed to improve mixture preparation and reduce exhaust emissions: The number of pump pistons in the radial-piston distributor injection pump was...
  • Page 27: Manual Gearboxes

    Power Transmission Manual gearboxes 5-speed manual gearbox 012/01W The 012 or 01W manual gearbox has a proven service record in the predecessor model. It will be installed as a 5-speed gearbox in combination with all petrol engines and also in the 74 kW diesel engine.
  • Page 28: Automatic Gearbox

    Power Transmission Automatic gearbox The new Passat is available with the same automatic transmission as in the predecessor model. The design and function of both automatic transmissions have been adopted without change. 4-speed automatic gearbox 01N The 01N four-speed automatic gearbox is notable for: driver- and situation-dependent driving programs, fuzzy logic controlled...
  • Page 29 Power Transmission Engine/gearbox combinations Front 4 Motion 1.6-litre ALZ 012 / 01W 1.8-litre AWT 012 / 01W 01 A 2.0-litre AZM 012 / 01W 01 V 2.3-litre AZX 012 / 01W 01 V 01 A 2.8-litre AMX 01 V 1.9-litre AVB 012 / 01W 1.9-litre AVF 01 E...
  • Page 30: Running Gear

    Running Gear The four-link front suspension is a four-link front suspension. It FRONT AXLE has been is accomodated to the modified vehicle dimensions and axle loads, as compared to the previous Passat. Bearing bracket Tubular subframe 251_072 The rack-and-pinion steering system The new Passat has as standard.
  • Page 31 Running Gear The torsion beam rear axle In the , the spring/ TORSION BEAM REAR AXLE damper settings have been adapted to the modified axle loads. Shock absorber Wheel bearing unit Coil spring 251_074 Rear axle bearing Modified offset depth Rim offset depth was reduced to 37 mm from 45 mm, with the result that the wheel is now flush with the body exterior.
  • Page 32: The Brakes

    Running Gear The brakes The front and rear disc brakes are configured for excellent deceleration under braking. New, larger brakes will therefore be used in the new Passat depending on engine type. Front disc brakes 280 x 22 mm 288 x 25 mm 312 x 25 mm Rear disc brakes 245 x 16 mm...
  • Page 33 Running Gear The electronic vacuum pump All petrol engines which have automatic transmission conforming to exhaust emission standard EU4 will have an electrical vacuum pump for brake servos. This pump is required: because not enough vacuum is provided for the brake booster via the intake manifold during the cold-starting phase.
  • Page 34 Running Gear Four-wheel drive The double wishbone rear suspension The 4-wheel-drive version of the Passat has a double wishbone rear suspension with a closed The flat-type construction of the rear axle tubular subframe attached to which are the track provides a spacious interior. control arms for wheel location and the differential.
  • Page 35 Running Gear Notes...
  • Page 36: The Vehicle Electrical System

    The Electrics The vehicle electrical system is distributed, as in the Passat 97. The fitting locations of the fuse holders, relay carriers, auxiliary relay Airbag control unit carriers and connector stations have been adopted without change. (in gearbox tunnel) The wiring harnesses have been extended to include new systems (solar roof, distance control, dynamic navigation with TV etc.) and the connector stations have been reorganised accordingly.
  • Page 37 The Electrics Window lifter motor with integrated door control unit Control unit for distance control (in luggage compartment on right) TV tuner CD changer Window lifter motor with integrated door control unit 251_003 Dash panel insert with immobiliser control unit and diagnosis interface (Gateway) Connector station...
  • Page 38 The Electrics Headlights Standard headlights Two types of headlights are available for the new Passat. The basic specification consists of a clear glass triaxial ellipsoid headlight with a H7 bulb as a high beam headlight. 251_005 High beam Indicator (H7 lamp) lights Low beam Gas discharge lamp (GDL) with...
  • Page 39 The Electrics More light means more safety The Passat, model year 2001, uses the BI-xenon The wider range and increased brightness of the headlight system. The system's improved light beam enable the driver to recognise luminous efficiency provides higher active hazards and reduce speed earlier.
  • Page 40 The Electrics Design of a BI-xenon headlight module The headlight module comprises: electronic ballast (EVG) headlight range control motor conventional light bulbs gas discharge headlight module housing with bonded clear glass lens 251_006 251_067 ballast Until now, no single gas discharge headlight has In the high beam setting, the mechanism allows been capable of producing both low and high all of the light generated in the lamp to pass...
  • Page 41 The Electrics The shutter screens off part of the light cone generated. (light/dark boundary) 251_306 The shutter is electromagnetically adjusted to produce the high beam. The entire light cone now becomes effective. The H7 lamp is also switched on. 251_307 Statutory requirements Where gas discharge headlights are used in a vehicle, the following auxiliary equipment is required to be installed to avoid dazzling other road users:...
  • Page 42 The Electrics Automatic dynamic headlight range control (LWR) The Passat 2001 with BI-xenon headlights has automatic headlight range control. Task The task of the automatic headlight range control The automatic headlight range control also is to adjust the headlights to compensate for compensates for variation in headlight range variation in ride height as a function of payload.
  • Page 43: The Dash Panel Insert

    The Electrics The dash panel insert The dash panel insert is the Group dash panel The dash panel insert is available in three insert with blue backlighting and translucent red versions. They mainly differ with regard to the dials. display options in the central display. The modified design and chrome-bezeled instruments stand out.
  • Page 44 The Electrics New warning lamps: Designation Symbol Function Selector lever lock K169 serves to remind the driver to depress the brake. The selector lever lock on automatic transmissions is released in this way Door/tailgate open warning indicates open doors/tailgate. In vehicles with a lamps (K116/K123-K127) multifunctional display, this warning is issued as a symbol.
  • Page 45 The Electrics Third-generation immobilisation Function The first phase (key recognition) is identical to The engine control unit and the immobiliser that of function immobiliser II. However, the control unit each calculate a result based on a mode of communication between the engine table of formulae.
  • Page 46 The Electrics Networking of CAN systems Engine Injection pump Gearbox control Brake control unit control unit (V-6 TDI) unit (ABS, ESP,...) Drivetrain CAN bus Airbag control Wheel angle sen- unit sor (for ESP) Convenience CAN bus Radio (Double DIN Fuel tank sender Climatronic US market) (B5-W8 only)
  • Page 47 The Electrics The diagnosis interface (Gateway) is integrated in the dash panel insert and has the following tasks: To transfer diagnosis data from the drivetrain To facilitate communication/data exchange CAN bus and convenience CAN databus to between users of a databus and between the K-wire so that they can be used by the users of different databus systems.
  • Page 48: Convenience System

    The Electrics Convenience system The convenience system was modified as follows: Standard radio wave remote control with Driver's door switch unit additional button for tailgate remote release (RLR) The lock cylinder on the front passenger's side has been deleted. New tailgate locking concept The tailgate can be released: - by pressing the button in the new 251_316...
  • Page 49 The Electrics Memory seat The electronic seat adjustment was improved in the following areas: The memory control unit now has a nonvolatile memory which retains stored seating positions while the battery terminals are disconnected. It is no longer necessary to initialise the seat after having disconnected a battery.
  • Page 50 The Electrics Sliding roof/solar roof The solar roof generates electric current via integrated solar cells. This powers the fresh air blower, which cools down the vehicle interior to approx. 20°C. The system operates when the ignition is off and when the sliding roof is open or tilted.
  • Page 51 The Electrics Distance control (ADK) The distance control (ADK) aids parking in reverse. For this purpose, four ultrasound converters are built into in the rear bumper. The control unit is located in the luggage compartment on the rear left. The tone generator is under the rear window shelf in the saloon and built into the control unit in the Variant.
  • Page 52 The Electrics The radio navigation system Glossary MFD radio navigation system with dynamic route guidance MFD = multifunctional display The traffic data used by the system is based on RDS = Radio Data System the RDS TMC service which is supported by radio RNS - High/D = radio navigation with 5“...
  • Page 53 The Electrics Radio navigation with dynamic route guidance Dynamic route guidance Automatic rerouting to avoid The system constantly collects traffic data, even traffic delays when the ignition is off. The system therefore The system assesses traffic delays offers the driver up-to-the-minute traffic (road closure in both directions, traffic jam, information, which can be retrieved when slow-moving traffic) on the basis of the driving...
  • Page 54 The Electrics TMC services What is a TMC service? Public and private A TMC (Traffic Message Channel) service is the TMC services for broadcasting general traffic net result of the activities undertaken by a service information are freely available in all European provider to broadcast traffic information.
  • Page 55 The Electrics Radio navigation system with TV The TV function is an extended function of the The equipment includes a preinstalled wiring navigation system. All terrestrial programs can harness for connecting external equipment such be received with the TV tuner. as a video recorder or a notebook.
  • Page 56 The Electrics Dynamic navigation with TV tuner The system which provides dynamic navigation and TV tuner includes the following components: radio navigation system (RNS) with multifunctional display window aerial with amplifier TV tuner with control unit in the luggage com- partment on the left Antenna for radio and Global Positioning System (GPS)
  • Page 57 The Electrics Pre-installed wiring harness for telephone installation A wiring harness for connecting a mobile phone is available for the Passat 2001. The mobile phone rest is attached to the dash panel. The mobile phone is connected to an interface box fitted below the armrest.
  • Page 58 The Electrics The heating and air conditioning system The Climatronic air conditioning system has been provided with an additional temperature sensor, as compared to the previous model. The temperature sensor is built in the air duct on the outlet side of the evaporator. It is designated "Evaporator vent temperature sender G263".
  • Page 59 The Electrics This allows the ambient temperature (G17 and G89) and the air outlet temperature on the outlet side of the evaporator to be checked and the control unit to control compressor shutoff more precisely. Dehumidification of the vehicle interior is improved because the air is dried more quickly.
  • Page 60 Index Index - SSP 241 LUMINIUM CYLINDER HEAD WITH ROLLER CAM NJECTION PRESSURE (RSH) - SSP 196 FOLLOWER - SSP 241 NJECTOR - SSP 192 SOFIX - SSP 192 ELT TENSIONERS BELTS - SSP 243 UILT UP CAMSHAFT - SSP 233 NOCK SENSORS - SSP 246 AMSHAFT TIMING CONTROL...
  • Page 61 Index Index - SSP 102 ORSION BEAM REAR SUSPENSION - SSP 209 RAPEZOIDAL CONROD - SSP 198 UMBLE INTAKE PORT - SSP 190 URBOCHARGER V-6 TDI - SSP 183 ENGINE...
  • Page 62 Notes...
  • Page 63 Notes...
  • Page 64 For internal use only © VOLKSWAGEN AG, Wolfsburg All rights reserved. Technical specifications subject to change without notice. 040.2810.70.20 Technical status: 09/00 This paper is produced from non-chlorine-bleached pulp.

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2001 passat

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