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Engine Controls - Basic Testing - 4-CYL
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Engine Controls - Basic Testing - 4-CYL
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Introduction
Preliminary Inspection & Adjustments
Visual Inspection
Mechanical Inspection
Compression
Exhaust System Backpressure
Fuel System
Notes
Fuel Pressure
Fuel Pressure Release
Fuel Pump Quick Test
Fuel System Pressure Test
Notes
MR2 & Previa
Except MR2 & Previa
Fuel Pump Control Circuit
EFI Main Relay
Circuit Opening Relay
Fuel Pump Relay & Fuel Pump Resistor (Celica 2.0L Turbo)
Ignition Checks
Diagnostic Codes
Notes
Code 12 (No RPM Signal)
Code 13 (No RPM Signal)
Code 14 (Ignition Signal Problem)
Spark Test
Ignition Coil Resistance Tests
Primary Coil Resistance Test
Secondary Coil Resistance Test
Pick-Up Coil Resistance Test
Camry (2.0L) & Tercel
Celica (1.6L) & Corolla (4A-FE)
Celica (2.0L), MR2 (2.0L) & Previa
Celica (2.2L) & MR2 (2.2L)
Corolla (4A-GE)
Pickup (2.4L) & 4Runner (2.4L)
Pick-Up Coil Air Gap Check
Idle Speed & Ignition Timing
Notes
Idle Speed
Ignition Timing
Summary