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Scan Tester Data

NOTE: Information contained in the following table is typical of readings taken on vehicle with engine idling, upper radiator hose hot, throttle closed, transmission in Park or Neutral, closed loop status achieved and all accessories off (except as noted in tables). Not all devices and systems are used on all models. For additional information, see tester owner's manual.
TYPICAL DATA VALUES

Tester Position Units Measured Nominal Value
A/C Switch On/Off Off
BARO (1) Volts/kPa 3.68 (100)
Desired Idle RPM ECM Controls (Varies)
EGR Solenoid On/Off Off
Electrical Load On/Off (2) Off
Eng. Coolant Temp. °F (°C) 176-201 (80-94)
Engine Speed RPM 800-900
Fuel EVAP Purge (1) On/Off Off
IAC/ISC Duty (1) % 10-50
Idle Switch On/Off On
Injector Pulse Width Mil/Sec 1.0-1.7
Intake Air Temp. °F (°C) (3) 68-95 (20-35)
ISC Duty (4) % 10-50
L.T. Fuel Trim Counts 119-131
MAP Volts/kPa 1.32-1.90 (34-42)
MPH MPH 0
O2 (5) Millivolts 10-900
O2 Activation Act/Deact Activate
Park/Neutral Pos P/N/RDL P/N (A/T)
Park/Neutral Pos P/N/RDL RDL (M/T)
Power Steering Sw On/Off Off
Power Steer VSV (4) On/Off Off
Rich/Lean Stat Rich/Lean Switches
Spark Advance ° 20-28
S.T. Fuel Trim Counts 113-143
System Voltage Volts 14.0-14.5
Throttle Angle ° 0
Throttle Position Volts .45-.65
(1) Upgraded emissions only.
(2) On when radiator fan motor cycles on.
(3) Varies with ambient temperature.
(4) Standard emissions only.
(5) Heated O2 on upgraded emissions.