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Isuzu
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1989
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I-Mark LS
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System/Component Tests - EFI
System/Component Tests - EFI
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Introduction
Air Induction Systems
Secondary Air System
I-Mark (1.6L DOHC)
Turbochargers (I-Mark 1.5L)
Notes
Wastegate
Engine Sensors & Switches
Coolant Temperature Sensor (Cts)
Detonation Sensor (Knock Sensor)
I-Mark 1.5L Turbo
Manifold Air Temperature (Mat) Sensor
Manifold Absolute Pressure (Map) Sensor
Oxygen (O2) Sensor
Power Steering Pressure Switch
I-Mark (1.6L)
Throttle Position Sensor (TPS)
Throttle Valve Switch (TVS)
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
Injector Balance Test (I-Mark, 1.6L)
Fuel Injectors
Dropping Resistors
Idle Control System
Idle Air Control (IAC) Valve
Ignition System
Timing Control Systems
Electronic Spark Timing (Est)
Emission Systems
Air Injection (I-Mark)
Reed Valve (I-Mark 1.5L Turbo)
Vacuum Switching Valve (VSV) (I-Mark 1.5L Turbo)
Air Injection (I-Mark 1.6L)
Crankcase Ventilation
Exhaust Gas RECIRCULATION (EGR) System (I-Mark)
EGR System Test (I-Mark 1.5L)
Backpressure Transducer (BPT)
Vacuum Switching Valve (VSV) (I-Mark 1.5L)
EGR System Test (I-Mark 1.6L)
Evaporative Emission System (I-Mark)
Fuel Tank Pressure Control Valve (TPCV)
Canister Purge Control Valve
Canister Purge Vacuum Solenoid Valve
Tank Pressure Control Valve Vacuum Switching Valve (TPCV VSV)
Vacuum Reservoir Tank
Miscellaneous Controls
Notes
A/C Clutch Controls