Scan Tool Parameter | Units Displayed | Cold Key On¹ | Cold Idle¹ | Hot Idle¹ | 55 MPH Cruise² | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
5 Volt Ref. Low | Volts | -0.2 - 0.2 | -0.2 - 0.2 | -0.2 - 0.2 | -0.2 - 0.2 | ||||||||||||||||
5 Volt Ref. High | Volts | 4.8 - 5.2 | 4.8 - 5.2 | 4.8 - 5.2 | 4.8 - 5.2 | ||||||||||||||||
Actual Gas Flow | gms/sec | 0 | 0.2 - 0.4 | 0.2 - 0.4 | varies | ||||||||||||||||
Alternative Fuel Level | % | Near gauge reading | Near gauge reading | Near gauge reading | Near gauge reading | ||||||||||||||||
BARO | kPa/ V | 85 to 103 kPa | 85 to 103 kPa | 85 to 103 kPa | 85 to 103 kPa | ||||||||||||||||
Battery Voltage | Volts | within 1.5 volts of battery volts | within 1.5 volts of battery volts | within 1.5 volts of battery volts | within 1.5 volts of battery volts | ||||||||||||||||
Calc. Air Flow | gms/sec | 0 | varies | varies | varies | ||||||||||||||||
Desired Gas Flow | gms/sec | 0 | 0.2 - 0.4 | 0.2 - 0.4 | varies | ||||||||||||||||
ECT | °C (°F) / V | -20°C to 50°C | -20°C to 50°C | 90°C to 110°C | 90°C to 110°C | ||||||||||||||||
Engine Load | % | 0% | 1 to 5 | 1 to 5 | 13 | ||||||||||||||||
Engine Run Time | Hr. / Min. / Sec. | 0:00:00 | Varies | Varies | Varies | ||||||||||||||||
Engine Speed | RPM | 0 | Within 80 RPM of Desired Idle | Within 80 RPM of Desired Idle | 1700 | ||||||||||||||||
Fuel Gauge Relay | Gasoline/ Alt. Fuel | AF | AF | AF | AF | ||||||||||||||||
Fuel Gauge Select Sw. | Released/ Depressed | Released | Released | Released | Released | ||||||||||||||||
Fuel Indicator Lamp | On/ Off | On two seconds then Off | Off | Off | Off | ||||||||||||||||
Fuel Pressure Sensor | psi/ V | 350 to 3600 psi | 350 to 3600 psi | 350 to 3600 psi | 350 to 3600 psi | ||||||||||||||||
Fuel Pump Relay (Alt. Fuel) | On/Off | Off 2 seconds then On | On | On | On | ||||||||||||||||
Fuel Temperature Sensor | °C(°F)/ V | near IAT | cooler than IAT | cooler than IAT | cooler than IAT | ||||||||||||||||
High Pressure Lockoff | Open/ Closed | Open 1 second then closed | Open | Open | Open | ||||||||||||||||
IAC Position | Counts | varies | varies | varies | varies | ||||||||||||||||
IAT | °C (°F) / V | near outside temp | near outside temp | underhood temp | underhood temp | ||||||||||||||||
Loop Status | Open/ Closed | Open | Varies | Closed | Closed | ||||||||||||||||
Long Term FT Avg. | % | 0% | -25% to 25% | -25% to 25% | -25% to 25% | ||||||||||||||||
Low Pressure Lockoff | Open/ Closed | Closed | Open | Open | Open | ||||||||||||||||
MAP | kPa/ V | equal to barometricpressure | 30 to 50 kPa 1.50V @ 38 kPa | 30 to 50 kPa 1.50V @ 38 kPa | 65 / 2.88 | ||||||||||||||||
MIL Input (Gasoline) | Yes/No | Yes | No | No | No | ||||||||||||||||
MIL Output (Alt. Fuel) | On/ Off | On | Off | Off | Off | ||||||||||||||||
Mixture Control Valve | Hz | 0 | Varies | Varies | Varies | ||||||||||||||||
NGO Enable Input (from PCM) | Gasoline/ ALT Fuel | Varies | AF | AF | AF | ||||||||||||||||
NGO Enable Output | Gasoline/ ALT Fuel | Varies | AF | AF | AF | ||||||||||||||||
O2S 1 | Volts | 351 to 551 mV | Varies | Varying | Varying | ||||||||||||||||
Short Term FT Avg. | % | 0% | -5% to 5% | -8% to 8% | -10% to 10% | ||||||||||||||||
TP Angle | % | 0% | 0% | 0% | 11% | ||||||||||||||||
TP Sensor | Volts | 0.55 | 0.55 | 0.55 | 1.05 | ||||||||||||||||
Vehicle Speed | km/H (mph) | 0 | 0 | 0 | 55 MPH | ||||||||||||||||
¹For Cold Key On, Cold Idle, and Hot Idle ensure the following driving conditions are met:
²For 55 MPH Cruise ensure the following driving conditions are met:
Record the data after driving for approximately 1 mile. | |||||||||||||||||||||
