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1989
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Impulse 2.3 L, Standard
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System/Component Tests - EFI
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System/Component Tests - EFI
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Introduction
Air Induction Systems
Turbochargers (Impulse 2.0L)
Wastegate
Stepping Motor (Impulse)
Engine Sensors & Switches
Airflow Sensor (AFS)
Coolant Temperature Sensor (Cts)
Crank Angle Sensor (CAS)
Detonation Sensor (Knock Sensor)
EGR Temperature Sensor
Impulse (California Models)
Oxygen (O2) Sensor
Throttle Position Sensor (TPS)
Throttle Valve Switch (TVS)
Vehicle Speed Sensor (VSS)
Computerized Engine Controls
Control Unit
Notes
ECM Ground Circuit Locations
ECM Constant Power Circuits
ECM Ignition Power Supply
Relays & Solenoids
Fuel Pump Relay
Main Relay
Solenoids
Fuel System
Fuel Delivery
Fuel Control
Notes
Dropping Resistors
Fuel-Cut System
Idle Control System
Fast Idle Solenoid Valve (Impulse)
Ignition System
Emission Systems
Air Injection
Air Switching Valve (ASV)
Check Valve
Vacuum Switching Valve (VSV) (Except Impulse 2.0L)
Vacuum Switching Valve (VSV) (Impulse 2.0L)
Electric Air Pump (Impulse 2.0L)
Crankcase Ventilation
Exhaust Gas RECIRCULATION (EGR) System
Backpressure Transducer (BPT) (Impulse 2.3L)
Thermal Vacuum Valve (TVV) (Impulse 2.3L)
Vacuum Switching Valve (VSV) (Impulse 2.0L)
Evaporative Emission System
Evaporator Valve
Purge Control Valve
Vapor Separator Tank