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Index
i
Vehicle Service Information ...................... Inside front cover
Safety Precautions ............................................................... ii
Tester Basics ............................................. 1-1
Testing Sensors ..........................................
2-1
• Troubleshooting Tips .......................................... 2-1
• Engine Coolant Temperature .............................. 2-2
• Inlet Air Temperature .......................................... 2-3
• Throttle Position (TP) .......................................... 2-6
• EGR Valve Position (EVP) ................................ 2-14
• Oxygen .............................................................. 2-18
• Engine Knock .................................................... 2-26
• Manifold Absolute Pressure (MAP/BARO) ....... 2-28
• Mass Air Flow (MAF) ........................................ 2-34
• Vane Air Flow .................................................... 2-40
• Crankshaft/Camshaft Position .......................... 2-46
Magnetic Reluctance Type ......................... 2-49
Hall Effect or Optical Type .......................... 2-51
Testing Ignition Modules............................3-1
More Uses for the Sensor Probe ...............4-1
• "Circuit Tester" Voltage Check ........................... 4-1
• Continuity Checks ............................................... 4-2
• Diode Check ........................................................ 4-4
Section
1
2
3
4