AFO Signal

(as monitored by the PCM)

Gasoline/ ALT Fuel

Varies

AF

AF

AF

AFO Signal Command

Gasoline/ ALT Fuel

Varies

AF

AF

AF

AFO Enable Output Circuit Status

OK/ SHORT TO VOLTS/ SHORT TO GND/ OPEN

OK

OK

OK

OK

Alternative Fuel Level

%

Near gage reading

Near gage reading

Near gage reading

Near gage reading

Alternative Fuel Mileage Log

miles/km

varies

varies

varies

varies

Alternative Fuel Run Time Log

Hours

varies

varies

varies

varies

BARO

kPa

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

Air Flow Calculated

gms/sec

0

varies

varies

varies

Desired Gas Mass Flow

gms/sec

0

0.2 to 0.4

0.2 to 0.4

varies

ECT Sensor

°C (°F) / V

-20°C to 50°C

-4°F to 122°F

-20°C to 50°C

-4°F to 122°F

90°C to 110°C

194°F to 230°F

90°C to 110°C

194°F to 230°F

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 Gage Relay Command

Gasoline/Alt. Fuel

AF

AF

AF

AF

Fuel Gage Select Switch

Released/Depressed

Released

Released

Released

Released

Fuel Indicator Lamp Command

On/Off

On 2 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

(Alt. Fuel) Fuel Pump Relay Command

On/Off

Off

On

On

On

Fuel Temperature Sensor

°C(°F)/ V

near IAT

cooler than IAT

cooler than IAT

cooler than IAT

Gas Mass Sensor

gms/sec

0

0.2 - 0.4

0.2 - 0.4

varies

Gasoline Fuel Mileage Log

miles/ km

varies

varies

varies

varies

Gasoline Fuel Run Time Log

Hours

varies

varies

varies

varies

High Pressure Lockoff Solenoid Command

Fuel Flow/ No Fuel Flow

Flow for 1 second then No Fuel Flow

Fuel Flow

Fuel Flow

Fuel Flow

HPL Solenoid Output Circuit Status

OK/ SHORT TO VOLTS/ SHORT TO GND/ OPEN

OK

OK

OK

OK

IAC Position

Counts

varies

varies

varies

varies

IAT Sensor

°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 Solenoid Command

Fuel Flow/ No Fuel Flow

No Fuel Flow

Fuel Flow

Fuel Flow

Fuel Flow

LPL Solenoid Output Circuit Status

OK/ SHORT TO VOLTS/ SHORT TO GND/ OPEN/ OVER TEMP

OK

OK

OK

OK

MAP Sensor

kPa/ V

equal to barometric pressure

30 to 50 kPa

1.50V @ 38 kPa

30 to 50 kPa

1.50V @ 38 kPa

65 / 2.88

(Gasoline) MIL Command

On/Off

On

Off

Off

Off

(Alt. Fuel) MIL Command

On/ Off

On

Off

Off

Off

MIL Output Circuit Status

OK/ SHORT TO VOLTS/ SHORT TO GND/ OPEN/ OVER TEMP

OK

OK

OK

OK

Mixture Control Solenoid Command

Hz

0

Varies

Varies

Varies

O2S 1

Volts

351 to 551 mV

Varies

Varying

Varying

Reference Voltage Low

Volts

-0.2 to 0.2

-0.2 to 0.2

-0.2 to 0.2

-0.2 to 0.2

Reference Voltage High

Volts

4.8 to 5.2

4.8 to 5.2

4.8 to 5.2

4.8 to 5.2

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 1.6 km/h (1 mile).