IPC Scan Tool Data Definitions
The IPC scan tool data definitions contains a brief description of
all IPC related parameters available on the scan tool.
8-Digit GM Part Number: The scan tool displays
the GM eight digit part number of the IPC.
Antilock Lamp : The scan tool displays On/Off. The state
of the ABS indicator as commanded by the IPC.
Battery Voltage: The scan tool displays 0-25.5
volts. The voltage measured at the battery positive voltage circuit of the
IPC.
Battery Voltage: The scan tool displays 0-25.5
volts. The voltage measured at the battery positive voltage circuit of the
DIC.
Brake Fluid Level: The scan tool displays OK/Low. The
IPC monitors the brake fluid level switch signal circuit , A closed switch
is displayed as Low.
Coolant Level: The scan tool displays OK/Low. The IPC
monitors the coolant level switch signal circuit, A closed switch is displayed
as Low.
Driver Door Ajar Switch: The scan tool displays On/Off.
The DDM monitors the signal circuit of the driver door ajar switch. A closed
switch is displayed as OFF.
ECT Sensor: The scan tool displays -40° C
(-40° F) to 140° C (284° F). The PCM monitors the voltage
at the signal circuit of the engine coolant temperature sensor.
Engine Oil Level Switch: The scan tool displays OK/Low.
The PCM monitors the signal circuit of the engine oil level switch. A open
switch is displayed as Low.
Engine Oil Life Remaining: The scan tool displays 0-100%.
The PCM calculates and sends the correct oil life data to the IPC.
Engine Oil Pressure Sensor (LX5): The scan tool displays
0-19 V. The PCM monitors the signal circuit of the engine oil pressure
sensor.
Engine Oil Pressure (L47) - Switch: The scan tool
displays OK/Low. The PCM monitors the signal circuit of the engine oil pressure
switch.
Engine Speed: The scan tool displays 0-9999 RPM.
Engine speed is computed by the PCM from the 3X reference input.
Engine Speed: The scan tool displays 0-9999 RPM.
The IPC monitors the engine speed signal circuit from the PCM.
Fuel Level (LX5) : The scan tool displays 0-100%.
The PCM calculates the amount of fuel remaining in the tank based on the
fuel level signal circuit.
Fuel Level (L47) : The scan tool displays 7.6 L-70 L.
The PCM calculates the amount of fuel remaining in the tank based on the
fuel level signal circuit.
Fuel Level Sensor: The scan tool displays 0-5 V.
The PCM monitors the signal circuit of the fuel level sensor.
Ignition 1 : The scan tool displays On/Off. The IPC
monitors the ignition 1 circuit.
Ignition 3 : The scan tool displays On/Off. The DIC
monitors the ignition 3 circuit.
Ignition Counter: The scan tool displays 0-50.
The DIC counts the number of times the ignition is cycled.
Ignition Counter: The scan tool displays 0-50.
The IPC counts the number of times the ignition is cycled.
Julian Date Of Build: The scan tool displays year and
day. The first digit indicates the last digit of the year that the control
module was built. The remaining 3 digits indicate the day of the year that
the control module was built.
Key In Ignition: The scan tool displays Yes/No. The
instrument panel module (IPM) monitors the ignition key alarm switch. A closed
switch is displayed as Yes (key in ignition).
Left Rear Door Ajar Switch: The scan tool displays On/Off.
The DDM monitors the signal circuit of the left rear door ajar switch. A
closed switch is displayed as OFF.
Lt Turning Signal Switch: The scan tool displays On/Off.
The IPC monitors the left turn signal supply voltage circuit. A active turn
signal toggles between On and Off.
Odometer (L47): The scan tool displays kilometers (miles).
The IPC determines the distance traveled based on the vehicle speed sensor
signal and sends the information to the PCM via class 2.
On/Off Switch: The scan tool displays On/Off. The DIC
monitors the signal circuit of the On/Off switch. A closed switch is displayed
as On.
Park Brake Switch : The scan tool displays On/Off. The
IPC monitors the signal circuit of the park brake switch. A closed switch
is displayed as On.
Park Lamp: The scan tool displays On/Off. The dash integration
module (DIM) monitors the park lamp switch.
Passenger Door Ajar Switch: The scan tool displays On/Off.
The state of the passenger door ajar switch.
PROM ID: The scan tool displays the 4 digit number that
identifies the PROM of the module.
Reset Switch : The scan tool displays On/Off. The DIC
monitors the signal circuit of the RESET switch. A closed switch is displayed
as On.
Right Rear Door Ajar Switch: The scan tool displays
On/Off. The DDM monitors the signal circuit of right rear ajar switch. A
closed switch is displayed as Off.
Rt Turning Signal Switch: The scan tool displays On/Off.
The IPC monitors the right turn signal supply voltage circuit. A active turn
signal toggles between On and Off.
Select Down: The scan tool displays On/Off. The DIC
monitors the signal circuit of the Select Down switch. A closed switch is
displayed as On.
Select Right: The scan tool displays On/Off. The DIC
monitors the signal circuit of the Select Right switch. A closed switch is
displayed as On.
Serial Number: The scan tool displays the 4 digit serial
number of the module.
Trip Odometer A/B Switch: The scan tool displays On/Off.
The IPC monitors the signal circuit of the trip odometer A/B switch. A closed
switch is displayed as On.
Trip Reset Switch: The scan tool displays On/Off. The
DIC monitors the signal circuit of the trip reset switch. A closed switch
is displayed as On.
Vehicle Speed : The scan tool displays 0-255 km/h
(0-155 mph). The IPC monitors the vehicle speed circuit from
the PCM.
Vehicle Speed: The scan tool displays 0-255 km/h
(0-155 mph). The PCM monitors the voltage at the signal circuit
of the vehicle speed sensor. The voltage is proportional to
vehicle speed.
Washer Fluid Level : The scan tool displays On/Off.
The IPC monitors the signal circuit of the windshield washer fluid level
switch. A closed switch is displayed as On.
Year Module Built: The scan tool displays the 4 digit
number which corresponds to the year that the module was manufactured.