Engine Controls - Basic Testing

• Introduction
• Preliminary Inspection & Adjustments
  • Visual Inspection
• Compression
• Exhaust System BACKPRESSURE
• No-Start Diagnosis
  • Notes
  • Preliminary Checks
• DISTRIBUTORLESS Ignition System (Dis) 2.3L
  • Notes
  • Test 1, Check ECA For Fault Codes
  • Test 2, Check For Spark During Crank
  • Test 3, Check Dis Module Pip Out
  • Test 4, Check Pip Out Continuity
  • Test 5, Determine Missing Spark Combination
  • Test 6, Check Plugs & Wires
  • Test 7, Check Dis Module VBAT
  • Test 8, Check Dis Module Ignition Ground
  • Test 9, Check Dis Module Mounting Screws
  • Test 10, Check Right Coil Pack Circuits
  • Test 11, Right Coil Pack Fault, Isolate Dis Module
  • Test 12, Check Right Coil Pack VBAT
  • Test 13, Check Right Coil Circuit
  • Test 14, Check Pip D At Dis Module
  • Test 15, Check Dis Module Coil Drivers
  • Test 16, Check Right Coil Pack VBAT
  • Test 17, Check Right Coil Circuit
  • Test 18, Check Right Coil Circuit
  • Test 19, Isolate Dis Module From Pip D
  • Test 20, Check Crankshaft Sensor VBAT
  • Test 21, Check Crankshaft Sensor Ignition Ground
  • Test 22, Check Crankshaft Sensor Pip S
  • Test 23, Check Pip Circuit For Short To Ground
  • Test 24, Check Pip Circuit For Short To VBAT
  • Test 25, Check Crankshaft Vane
  • Test 26, Isolate EEC-IV Processor (ECA) From Pip Circuit
  • Test 27, Check Pip EEC Circuit For Short To VBAT
  • Test 28, Check Pip EEC Circuit For Short To Ground
• Electronic DISTRIBUTORLESS Ignition System (EDIS) 4.0L Engine
  • Notes
  • Test 1, Check ECA For Fault Codes
  • Test 2, Check For Spark During Crank
  • Test 3, Check Pip At EDIS Module
  • Test 4, Check Pip Continuity To EEC
  • Test 5, Check IGND At EDIS
  • Test 6, Check IGND Continuity To EEC
  • Test 7, Check Plugs & Wires
  • Test 8, Isolate EDIS Module/Pip Fault
  • Test 9, Check Pip Circuit For Short To Ground
  • Test 10, Check Pip Circuit For Short To Power
  • Test 11, Check PWR GND To EDIS Module
  • Test 12, Check PERF. W/O EDIS Diagnostic Cable Installed
  • Test 13, Check PWR GND To EDIS Module
  • Test 14, Check For VBAT Open To EDIS Module
  • Test 15, Check VRS+ Bias At EDIS Module
  • Test 16, Check VRS Amplitude At EDIS Module
  • Test 17, Check VRS+ Bias/Isolate VRS/Bias Fault
  • Test 18, Check VRS+ High Or Low/Bias Fault
  • Test 19, Check VRS+ Circuit For Short To Ground
  • Test 20, Check VRS+ Circuit For Short To VBAT
  • Test 21, Check VRS Bias
  • Test 22, Check VRS High Or Low/Bias Fault
  • Test 23, Check VRS Circuit For Short To Ground
  • Test 24, Check VRS Circuit For Short To VBAT
  • Test 25, Check VRS Amplitude At EDIS Module
  • Test 26, Check VRS Resistance
  • Test 27, Check VRS Air Gap & Trigger Wheel
  • Test 28, Check VRS High Or Low Resistance
  • Test 29, Check VRS+ Shorted To VRS
  • Test 30, Check VRS+ For Open Circuit
  • Test 31, Check VRS For Open Circuit
  • Test 32, Check For IDM Short High
  • Test 33, Check For IDM Open Circuit
  • Test 34, Check IDM Output From EDIS Module
  • Test 35, Check For IDM Short In ECA
  • Test 36, Check For IDM Short To Ground In Harness
  • Test 37, Check For IDM Short To VBAT In Harness
  • Test 38, Check Base Timing
  • Test 39, Check Advance Spark Angle
  • Test 40, Check Saw At EDIS Module
  • Test 41, Check Saw For Short In EDIS Module
  • Test 42, Check For Saw Short To Ground In Harness
  • Test 43, Check For Saw Short To VBAT In Harness
  • Test 44, Check For Saw Open
  • Test 45, Inspect VR Sensor & Trigger Wheel
  • Test 46, Check VBAT Open To Coil
  • Test 47, Verify Vehicle Operating Mode
  • Test 48, Check C1, C2 & C3 At Coil Pack
  • Test 49, Check C1, C2 & C3 At Coil Pack
  • Test 50, Check C1, C2 & C3 At Coil Pack
  • Test 51, Check C1, C2 & C3 At EDIS
  • Test 52, Check C1, C2 & C3 At Coil Pack
  • Test 53, Check C1, C2 & C3 At Coil Pack
  • Test 54, Check C1, C2 & C3 Coil Primary
  • Test 55, Check C1, C2 & C3 For Short To Ground
  • Test 56, Check C1, C2 & C3 For Short To Ground
• Thick Film Ignition (TFI) IV
  • Spark Check
  • Ignition Coil Resistance
• Fuel System
  • Preliminary Checks
    • Notes
    • Engine Does Not Crank
    • Engine Cranks But Will Not Start
  • Fuel Pressure Release
  • Fuel Pressure
  • Fuel Injectors
    • Fuel Injector Check
    • Fuel Injector Circuit
  • Inertia Switch
• Idle Speed & Ignition Timing
  • Base Ignition Timing
  • Idle Speed
  • Idle Mixture Adjustment
• Throttle Position Sensor (TPS) Adjustment
• Fuel Injection Pump Lever (FIPL) Sensor Adjustment
• Summary