24X Crank Sensor

Eng 2, Eng 3

RPM

Varies

5-Volt Reference 1

Eng 1

OK/Fault

OK

5-Volt Reference 2

Eng 1

OK/Fault

OK

A/C Off for WOT

Eng 2

Yes/No

No

A/C Pressure Disable

Eng 2

Yes/No

No

A/C Relay Command

Eng 1, Eng 2, Eng 3, EGR

On/Off

Off

A/C Request Signal

Eng 2, Misfire

Yes/No

No

AIR Fuel Ratio

Eng 2, Eng 3, Fuel Trim

Ratio

14.5-14.9:1

AIR Pump Relay Command

Eng 1, Fuel Trim

On/Off

Off

Air Solenoid Command

Eng 1, Fuel Trim

On/Off

Off

BARO

Eng 1, EVAP, Fuel Trim, EGR

kPa

85-103 kPa

CKP Sensor Status

Eng 3

Time A or Time B

OK

CMP Sensor

Eng 2

RPM

Varies

Cold Start-up

Eng 2, EVAP

Yes/No

Varies

Commanded Gear

Eng 1, Eng 2, Fuel Trim, EGR

1, 2, 3, 4

1

Crank Request Signal

Eng 3

Yes/No

Yes

Cruise Control Active

Eng 1, Eng 2, Eng 3

Yes/No

No

Cruise Inhibit Signal Command

Eng 2, Eng 3

On/Off

On

Cycles of Misfire Data

Misfire

Counts

Varies

Decel Fuel Cutoff

Eng 2, EGR, Fuel Trim

Active/ Inactive

Inactive

Desired EGR Position

Eng 2, EGR

%

0

Desired Idle Speed

Eng 1, Eng 2, Eng 3, EVAP

RPM

650 RPM

ECT Sensor

ALL

°C/°F

Varies

EGR Flow Test Count

EGR

Counts

Varies

EGR Learned Minimum Position

EGR

Volts

Varies

EGR Position Sensor

Eng 2, Misfire, EGR

%

0

EGR Position Sensor

EGR

Volts

Varies

EGR Solenoid Command

EGR

--

--

Engine Load

ALL

%

0

Engine Oil Level Switch

Eng 2, Eng 3

OK/Low

OK

Engine Oil Pressure Sensor

Eng 3

Volts

Varies

Engine Oil Pressure Switch

Eng 3

OK/Low

OK

Engine Run Time

ALL

hrs./min./sec

Varies

Engine Speed

ALL

RPM

650 RPM

EVAP Fault History

EVAP

Varies

Varies

EVAP Purge Solenoid Command

Eng 1, EVAP, Fuel Trim

%

20%

EVAP Test Abort Reason

EVAP

Not Aborted, Lost Enable/Small Leak/Veh. Not At Rest

Not Aborted

EVAP Test Result

EVAP

No Result/Passed Aborted/Fail- DTC P0440/Fail- DTC P0442/Fail- DTC P0446/Fail- DTC P1441

Passed

EVAP Test State

EVAP

Wait For Purge/Test Running/Test Complete

Test Complete

EVAP Vent Solenoid Command

Eng 1, EVAP, Fuel Trim

Venting/Not Venting

Not Venting

Extended Travel Brake Pedal Switch

Eng 1, Eng 2, Eng 3

Released/Applied

Released

FC Relay 1 Command

Eng 2, Eng 3

On/Off

On with low speed fan operation commanded

FC Relay 2 and S/P Command

Eng 2, Eng 3

On/Off

On with high speed fans commanded

Fuel Level Sensor

EVAP

Volts

Varies

Fuel Pump Relay Command

Eng 1

On/Off

On

Fuel Tank Level Remaining

EVAP, Eng 1, Eng 3, Misfire

Gallons/Liters

Varies

Fuel Tank Pressure Sensor

EVAP

Volts

Varies

Fuel Tank Pressure Sensor

Eng 1, EVAP

in H2O mmHg

Varies

Fuel Trim Cell

Eng 1, EVAP, Fuel Trim

#

Varies

Fuel Trim Learn

Eng 1, EVAP, Fuel Trim

Enabled/Disabled

Disabled

Generator F Terminal Signal

Eng 2

%

Varies

Generator L Terminal Signal Command

Eng 2

On/Off

On

HO2S Bank 1 Sensor 1

Eng 1, EVAP, Fuel Trim

mV

Varying

HO2S Bank 1 Sensor 2

Eng 1, Fuel Trim

mV

Varying

HO2S Bank 2 Sensor 1

Eng 1, EVAP, Fuel Trim

mV

Varying

HO2S Heater BN 1 Sen 1

Eng 1, Fuel Trim

Amps

0-90

HO2S Heater BN 1 Sen 2

Eng 1, Fuel Trim

Amps

0-90

HO2S Heater BN 2 Sen 1

Eng 1, Fuel Trim

Amps

0-90

IAC Position

Eng 1, Fuel Trim, EGR

Counts

Varies

IAT Sensor

Eng 1, Eng 2, Eng 3, EVAP, Fuel Trim, EGR

°C/°F

Varies

Ignition 1 Signal

Eng 2, Eng 3, EVAP, EGR

Volts

Within 1 V of battery voltage

IMS

Eng 2, EGR

Park, Park/Reverse, Reverse, Reverse/Neutral, Neutral, Neutral/Drive 4, Drive 4, Drive 4/Drive 3, Drive 3, Drive 3/Drive 2, Drive 2, Drive 2/Drive 1, Drive 1, Invalid

Park

Injector PWM Bank 1 AVG

Eng 2, Eng 3, Fuel Trim, Misfire

ms

Varies

Injector PWM Bank 2 AVG

Eng 2, Eng 3, Fuel Trim, Misfire

ms

Varies

Knock Retard

Eng 1, EGR

Degrees

0

Long Term FT Bank 1

Eng 1, Eng 2, Eng 3, EVAP, Fuel Trim

%

-25% to +25%

Long Term FT Bank 2

Eng 1, Eng 2, Eng 3, EVAP, Fuel Trim

%

-25% to +25%

Loop Status

Eng 1, Eng 2, Eng 3, EVAP, Fuel Trim, EGR

Open/Closed

Closed

MAF Sensor

All

g/s

5.0-7.0

MAF Sensor

Eng 2, Eng 3, EVAP, Fuel Trim

Hz

2800

MAP Sensor

Eng 1, Eng 2, Eng 3,

Volts

1.50 V @ 38 kPa

MAP Sensor

ALL

kPa

30-50 kPa 1.50 V @ 38 kPa

MIL Command

Eng 1

On/Off

Off

Mileage Since DTC Cleared

Eng 3

km/Miles

Varies

Misfire Current Cyl. 1 through 8

Misfire

Counts

0-10

Misfire History Cyl. 1 through 8

Misfire

Counts

0

Odometer

Eng 3

km/Miles

Within 25.5 miles of IPC

PCM Reset

Eng 1, EGR, EVAP, Fuel Trim

Yes/No

No

PCM/VCM in VTD Fail Enable

Eng 3

Yes/No

No

Power Enrichment

Eng 2, Fuel Trim, Misfire

--

--

Powertrain Induced Chassis Pitch Command

Eng 3

Active/Inactive

Inactive

Short Term FT Bank 1

Eng 1, Eng 2, Eng 3, EVAP, Fuel Trim

%

-8% to +8%

Short Term FT Bank 2

Eng 1, Eng 2, Eng 3, EVAP, Fuel Trim

%

-8% to +8%

Spark

Eng 1, Eng 2, Eng 3, Fuel Trim, Misfire

Degrees

5-15

Start Up ECT

Eng 2, EVAP, Fuel Trim

°C/°F

Depends on engine coolant temperature at start-up

Start Up IAT

Eng 2, EVAP, Fuel Trim

°C/°F

Depends on ambient temperature at start-up

Starter Relay Command

Eng 3

On/Off

Off

TCC/Cruise Brake Pedal Switch

Eng 1, Eng 2, Eng 3

Released/Applied

Released

TCC Enable Solenoid Command

Eng 1, Eng 2, Misfire

On/Off

Off

Torque Delivered Signal

Eng 2

%

Varies

Torque Request Signal

Eng 2

%

Varies

TP Sensor

ALL

%

0%

TP Sensor

Eng 1, Eng 2, Eng 3

Volts

0.55/0.0

Traction Control Status

Eng 2

Active/Inactive

Inactive

TWC Temperature Calculated

Misfire

°C/°F

Varies with temperature

Vehicle Speed

ALL

km/h/mph

0

VTD Auto Learn Timer

Eng 3

Inactive/Active

Inactive

VTD Fuel Disable

Eng 3

Active/Inactive

Inactive

VTD Fuel Disable Until Ign. Off

Eng 3

Yes/No

No