ENGINE PERFORMANCE – Volkswagen New Beetle 1998 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.9L

1.9L Turbo Diesel, Engine Performance Wiring Diagrams (1 of 3) for Volkswagen New Beetle 1998

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagrams (1 of 3) for Volkswagen New Beetle 1998:

• (behind left side of dash) g202
• Cooling fan system
• Cruise control system
• Diesel direct fuel injection engine control module (below left side of dash panel cover)
• Fuse 10a
• Fuse 110a
• Fuse 7.5a
• Fuse bracket (on battery cover)
• Fuse panel (behind left side of dash)
• Generator
• Hot at all times
• Intake manifold flap changeover valve (back of intake manifold)
• Manifold absolute pressure sensor & intake air temperature (iat) sensor (in air intake duct)
• Red
• Throttle position (tp) sensor/ closed throttle position (ctp) switch/kickdown switch (above accelerator pedal)
• Wastegate bypass regulator valve (left side of firewall)

1.9L Turbo Diesel, Engine Performance Wiring Diagrams (2 of 3) for Volkswagen New Beetle 1998

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagrams (2 of 3) for Volkswagen New Beetle 1998:

• (behind left side of dash) g202
• Brake light switch (above brake pedal)
• Clutch vacuum vent valve switch (above clutch pedal)
• Coolant glow plugs
• Egr vacuum regulator solenoid valve (left side of firewall)
• Engine glow plugs
• Fuse 50a
• Fuse bracket (on battery cover)
• Fuse panel (behind left side of dash)
• G202 (beside steering column)
• Glow plug relay (on thirteen position auxiliary relay panel)
• High heat coolant preheating relay (m/t)
• Hot at all times
• Low heat coolant preheating relay (m/t)
• Pcv heating element (near throttle body)
• Red

1.9L Turbo Diesel, Engine Performance Wiring Diagrams (3 of 3) for Volkswagen New Beetle 1998

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagrams (3 of 3) for Volkswagen New Beetle 1998:

• (under left side of dash) data link connector
• Cold start injector (bottom of dfi pump)
• Cooling fan system
• Diesel direct fuel injection engine control module (below left side of dash panel cover)
• Engine coolant temperature sensor (rear of cylinder head)
• Engine speed sensor (left rear of cylinder block)
• Exhaust warning ind
• Fuel cut- off valve (top of dfi pump)
• Fuel temperature sensor (front of dfi pump)
• Fuse 10a
• Fuse panel (behind left side of dash)
• Glow plug ind
• Hot in run or start
• Instrument cluster
• Mass air flow sensor (right side of air cleaner housing)
• Nca
• Needle lift sensor (left side of cylinder head)
• Transmission control system

2.0L

2.0L, Engine Performance Wiring Diagrams (1 of 3) for Volkswagen New Beetle 1998

List of elements for 2.0L, Engine Performance Wiring Diagrams (1 of 3) for Volkswagen New Beetle 1998:

• (behind left side of dash)
• Anti-lock brake system
• Cooling fans system
• Evaporative emission canister purge regulator valve (next to engine coolant reservoir)
• Exhaust warning light
• Fuel system diagnosis pump
• Fuse 10a
• Fuse panel
• G202
• Heated oxygen sensor 1 (front of 3-way catalytic converter)
• Heated oxygen sensor 2 (behind 3-way catalytic converter)
• Hot at all times
• Instrument cluster
• Mass airflow (maf) sensor & intake air temperature (iat) sensor (right side of air cleaner housing)
• Motronic engine control module (below left side of dash panel cover)
• Nca
• Secondary air injection solenoid valve (on left side of firewall)

2.0L, Engine Performance Wiring Diagrams (2 of 3) for Volkswagen New Beetle 1998

List of elements for 2.0L, Engine Performance Wiring Diagrams (2 of 3) for Volkswagen New Beetle 1998:

• (behind left side of dash) g202
• (left side of engine compt) g100
• Data link connector (under left side of dash, below steering column)
• Engine speed (rpm) sensor (lower left rear of engine block)
• Fuel pump
• Fuel pump relay
• Fuse 10a
• Fuse 15a
• Fuse 28 10a
• Fuse 32 10a
• Fuse 43 10a
• Fuse 50a
• Fuse bracket
• Fuse panel
• G202 (behind left side of dash)
• Hot at all times
• Hot in run or start
• Ignition switch
• Knock sensor 1 (left side of engine, front of cylinder block)
• Knock sensor 2 (left side of engine, behind ignition coil)
• Nca
• Off
• Pcv heating element (in fresh air intake hose)
• Red
• Relay panel
• Run
• S3/3
• S3/6
• Secondary air injection pump motor (left rear of engine)
• Secondary air injection pump relay (inside housing, left of brake fluid reservoir)
• Start

2.0L, Engine Performance Wiring Diagrams (3 of 3) for Volkswagen New Beetle 1998

List of elements for 2.0L, Engine Performance Wiring Diagrams (3 of 3) for Volkswagen New Beetle 1998:

• Anti-lock brake system
• Camshaft position sensor (on cylinder head)
• Engine coolant temperature sensor (in coolant flange on cylinder head, right rear of engine)
• Fuel injectors
• Ignition coil
• Motronic engine control module (below left side of dash panel cover)
• Nca
• Throttle valve control module (on throttle body)
• To spark plugs
• W/ cruise
• W/o cruise