GENERAL INFORMATION

View of gasoline engine compartment 1.6 L and list of control system components (not all components are shown in the illustration) 1 - Camshaft Position Sensor – CMP 2 - Throttle Closed Position Switch – CTP 3 - Clutch Pedal Switch – CPP 4 - Crankshaft Position Sensor – CKP/Engine Speed Sensor – RPM 5 - Data Link Connector – DLC – center console 6 - Engine Control Module – ECM 7 - Engine Coolant Temperature Sensor – ECT 8 - Evaporative Emission Purge Solenoid – EVAP 9 - Fuel Filter – outside the tank 10 - Fuel Pressure Regulator 11 - In-tank Fuel Pump 12 - Fuel Pump Relay – front fuse and relay box, position 4 13 - Heated Oxygen Sensor – HO2S – upstream of catalytic converter 14 - Idle Speed Control Actuator – ISC 15 - Idle Speed Control Actuator Position Sensor – ISC 16 - Ignition Amplifier 17 - Ignition Coil 18 - Injectors 19 - Intake Air Temperature Sensor – IAT, before 1998 19 - Intake Air Temperature Sensor – IAT, after 1998 21 - Intake Manifold Air Control Solenoid 22 - Knock Sensor 23 - Mass Air Flow Meter – MAF 24 - Power Steering Pressure Switch – PSP 25 - Throttle Actuator Control Unit 26 - Throttle Position Sensor – TP 27 - Vehicle Speed Sensor – VSS – on transmission

View of gasoline engine compartment 1.8 L without turbocharger and list of control system components (not all components are shown in the illustration) 1 - Camshaft Position Sensor – CMP 2 - Camshaft Position Actuator 3 - Throttle Closed Position Switch – CTP 4 - Clutch Pedal Switch – CPP 5 - Crankshaft Position Sensor – CKP/Engine Speed Sensor – RPM 6 - Data Link Connector – DLC – center console 7 - Engine Control Module – ECM 8 - Engine Coolant Temperature Sensor – ECT 9 - Evaporative Emission Purge Solenoid – EVAP 10 - Fuel Filter – outside the tank 11 - Fuel Pressure Regulator 12 - In-tank Fuel Pump 13 - Fuel Pump Relay – front fuse and relay box, position 4 14 - Heated Oxygen Sensor – HO2S – upstream of catalytic converter 15 - Idle Speed Control Actuator – ISC 16 - Idle Speed Control Actuator Position Sensor – ISC 17 - Ignition Amplifier 18 - Ignition Coil 19 - Injectors 20 - Intake Air Temperature Sensor – IAT, before 1998 21 - Intake Air Temperature Sensor – IAT, after 1998 22 - Intake Manifold Air Control Solenoid 23 - Knock Sensor 24 - Mass Air Flow Meter – MAF 25 - Power Steering Pressure Switch – PSP 26 - Throttle Actuator Control Unit 27 - Throttle Position Sensor – TP 28 - Vehicle Speed Sensor – VSS – on transmission

View of gasoline engine compartment 1.8 L with turbocharger and list of control system components (not all components are shown in the illustration) 1 - Barometric Pressure Sensor – BARO 2 - Camshaft Position Sensor – CMP 3 - Throttle Closed Position Switch – CTP 4 - Clutch Pedal Switch – CPP 5 - Crankshaft Position Sensor – CKP/Engine Speed Sensor – RPM 6 - Data Link Connector – DLC – center console 7 - Engine Control Module – ECM 8 - Engine Coolant Temperature Sensor – ECT 9 - Evaporative Emission Purge Solenoid – EVAP 10 - Fuel Filter – outside the tank 11 - Fuel Pressure Regulator 12 - In-tank Fuel Pump 13 - Fuel Pump Relay – front fuse and relay box, position 4 14 - Heated Oxygen Sensor – HO2S – upstream of catalytic converter 15 - Idle Speed Control Actuator – ISC 16 - Idle Speed Control Actuator Position Sensor – ISC 17 - Ignition Amplifier 18 - Ignition Coil 19 - Injectors 20 - Intake Air Temperature Sensor – IAT 21 - Knock Sensor 22 - Mass Air Flow Meter – MAF 23 - Power Steering Pressure Switch – PSP 24 - Throttle Actuator Control Unit 25 - Throttle Position Sensor – TP 26 - Turbocharger Wastegate Control Valve – TC 27 - Vehicle Speed Sensor – VSS – on transmission

View of TDI diesel engine compartment and list of control system components (not all components are shown in the illustration) 1 - Fuel Temperature Sensor 2 - Fuel Lever Position Sensor 3 - Injector Solenoid Valve 4 - Fuel Quantity Adjustment Solenoid 5 - Fuel Shut-off Solenoid Valve 6 - Mass Air Flow Meter 7 - Absolute Manifold Pressure Sensor 8 - Intake Air Temperature Sensor 9 - Turbocharger Pressure Control Solenoid 10 - Atmospheric Pressure Sensor – in engine control module 11 - Engine Coolant Temperature Sensor 12 - Engine Speed Sensor 13 - Injector Needle Lift Sensor 14 - Exhaust Gas Recirculation Solenoid Valve 15 - System Relay – No. 5 in instrument panel relay box 16 - Glow Plug Relay – instrument panel relay box, position 4 17 - Engine Control Module 18 - Vehicle Speed Sensor 19 - Accelerator Pedal Position Sensor – above the pedal 20 - Diagnostic Connector – center console