Parameter
|
System State
|
Expected Value
|
Description
|
Operating Conditions: Engine at idle,
upper radiator hose hot, closed throttle, transmission in Park,
closed loop operation, accessories OFF, brake pedal not
applied.
|
1-2 Shift Time
|
Varies
|
Seconds
|
This parameter displays the actual time of the last adaptable
1-2 shift. The shift time is based on the gear ratio change after
the commanded 1-2 shift.
|
2-3 Shift Time
|
Varies
|
Seconds
|
This parameter displays the actual time of the last adaptable
2-3 shift. The shift time is based on the gear ratio change after
the commanded 2-3 shift.
|
3-4 Shift Time
|
Varies
|
Seconds
|
This parameter displays the actual time of the last adaptable
3-4 shift. The shift time is based on the gear ratio change after
the commanded 3-4 shift.
|
4-5 Shift Time
|
Varies
|
Seconds
|
This parameter displays the actual time of the last adaptable
4-5 shift. The actual shift time is obtained by measuring the time
required for the input shaft to decelerate from the previous ratio
to the current ratio.
|
5-6 Shift Time
|
Varies
|
Seconds
|
This parameter displays the actual time of the last 5-6 shift.
The shift time is base on the gear ratio change after the commanded
5-6 shift.
|
Brake Switch
|
Released
|
Applied/Released
|
This parameter displays the status of the brake switch circuit
input. Applied indicates a zero voltage input, brake pedal applied.
Released indicates a voltage input, brake pedal released. The scan
tool displays Applied or Released.
|
Calc. Throttle Position
|
Varies
|
%
|
This parameter displays a calculated value, which is determined
by the accelerator pedal position and the actual throttle position,
used to optimize transmission controls. It represents the driver's
intended request for torque or acceleration. The range is 0-100%,
where 0% represents an idle or coast request and 100% represents a
request for wide open throttle (WOT).
|
Commanded Gear
|
1
|
1, 2, 3, 4, 5, or 6
|
This parameter displays the current commanded state of the shift
solenoid valves. The scan tool displays 1, 2, 3, 4, 5, or 6.
|
Driver Shift Control
|
Inactive
|
Active/Inactive
|
This parameter displays Active or Inactive. The scan tool
displays Active when the gear selector is in the sport (S)
position, which enables TAP shift. The scan tool displays Inactive
when the gear selector is not in the S position, TAP shift
disabled.
|
Driver Shift Request
|
None
|
Upshift / Downshift / None / Invalid
|
This parameter displays the current request from the TAP Shift
System. This parameter will display up shift, downshift or invalid
depending on the amount of voltage measured at the remote shift
selector input and also will display none when there is no
request.
|
ECT
|
Varies
|
°C (°F)
|
This parameter displays the input signal from the engine coolant
temperature (ECT) sensor. ECT is high at 151°C (304°F) when
the signal voltage is low (0 V). ECT is low at -40°C
(-40°F) when the signal voltage is high (5 V).
|
Engine Speed
|
Varies
|
RPM
|
This parameter displays the rotational speed of the engine
expressed as revolutions per minute.
|
Engine Torque
|
Varies
|
N·m (lb ft)
|
This parameter displays a calculated value based on engine load,
throttle position, mass air flow, and other engine inputs. This
parameter is accurate to within 20 N·m
(15 lb ft) of actual measured engine torque.
|
Gear Ratio
|
Varies
|
Ratio
|
This parameter displays the actual transmission gear ratio. The
scan tool displays the gear ratio calculated from the automatic
transmission (AT) input speed sensor (ISS) and the
automatic transmission (AT) output speed sensor (OSS)
inputs.
|
High Side Driver 1
|
On/Off
|
On/Off
|
This parameter displays the state of the High Side
Driver 1. The scan tool displays On or Off.
|
High Side Driver 1 Circuit Status
|
OK
|
OK, Open/Short to GND, Short to Volts, Indeterminate
|
This parameter displays whether an open, short to voltage or
ground exists in the driver 1 circuit. The scan tool displays
OK, Open/Short to Volts, Short to GND.
|
Ignition Voltage
|
9-19
|
Volts
|
This parameter displays the system voltage measured at the
ignition feed.
|
IMS
|
Park
|
Park-Drive 1, Open, Invalid
|
This parameter displays 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 or
INVALID. The IMS Range display represents a decoded status of the
four inputs from the IMS. The combination of IMS inputs are used to
determine what position the manual valve is in at any time.
|
IMS A/B/C/P
|
Varies
|
HI/LOW
|
This parameter displays the status of the four A/B/C/P inputs
from the automatic transmission internal mode switch. HI indicates
an ignition voltage signal and LOW indicates a 0 voltage
signal. The scan tool will display HI/LOW, HI/LOW, HI/LOW,
HI/LOW.
|
ISS/OSS Supply Voltage
|
OK
|
OK, Out of Range
|
This parameter displays OK, Out of Range.
|
Last Shift Time
|
Varies
|
Seconds
|
This parameter displays the actual time of the last up shift.
This value is only accurate if the shift was adaptable.
|
Line PC Sol. CKT Status
|
OK
|
OK, Open/Short to GND, Short to Volts, Indeterminate
|
This parameter displays whether an open, short to voltage or
ground exists in the line pressure control (PC) solenoid valve
feedback signal circuit. The scan tool displays OK, Open/Short to
Volts, Short to GND.
|
Line PC Sol. Pressure Command
|
Varies
|
kPa (psi)
|
This parameter displays results in kPa (psi).
|
PC Sol. 2 CKT Status
|
OK
|
OK, Open/Short to GND, Short to Volts, Indeterminate
|
This parameter displays OK, Open/Short to GND, Short to
Volts.
|
PC Sol. 2 Pressure Command
|
Varies
|
kPa (psi)
|
This parameter displays kPa (psi).
|
PC Sol. 3 CKT Status
|
OK
|
OK, Open/Short to GND, Short to Volts, Indeterminate
|
This parameter displays OK, Open/Short to GND, Short to
Volts.
|
PC Sol. 3 Pressure Command
|
Varies
|
kPa (psi)
|
This parameter displays kPa (psi).
|
PC Sol. 4 CKT Status
|
OK
|
OK, Open/Short to GND, Short to Volts, Indeterminate
|
This parameter displays OK, Open/Short to GND, Short to
Volts.
|
PC Sol. 4 Pressure Command
|
Varies
|
kPa (psi)
|
This parameter displays kPa (psi).
|
PC Sol. 5 CKT Status
|
OK
|
OK, Open/Short to GND, Short to Volts, Indeterminate
|
This parameter displays OK, Open/Short to GND, Short to
Volts.
|
PC Sol. 5 Pressure Command
|
Varies
|
kPa (psi)
|
This parameter displays kPa (psi).
|
Replicated OSS CKT Status
|
OK
|
OK, Open/Short to GND, Short to Volts, Indeterminate
|
This parameter displays OK, Open/Short to GND, Short to Volts,
Indeterminate.
|
Shift Sol. 1 CKT Status
|
OK
|
OK, Open/Short to GND, Short to Volts, Indeterminate
|
This parameter displays OK, Open/Short to GND, Short to Volts,
or Indeterminate.
|
Shift Solenoid 1
|
On
|
On/Off
|
This parameter displays the commanded state of the reverse, 1st
shift solenoid valve (S1). The scan tool displays On/Off.
|
Shift Sol. 2 CKT Status
|
OK
|
OK, Open/Short to GND, Short to Volts, Indeterminate
|
This parameter displays OK, Open/Short to GND, Short to Volts,
or Indeterminate.
|
Shift Solenoid 2
|
On
|
On/Off
|
This parameter displays the commanded state of the 2-3, 3-4
shift solenoid valve (S2). The scan tool displays On/Off.
|
Steady State TAP 1st Gear
|
Varies
|
kPa (psi)
|
This parameter displays the amount of transmission adaptive
pressure (TAP), which modifies the commanded clutch apply
pressures.
|
Steady State TAP 1st Gear TCC Applied
|
Varies
|
kPa (psi)
|
This parameter displays the amount of transmission adaptive
pressure (TAP), which modifies the commanded clutch apply
pressures.
|
Steady State TAP 2nd Gear
|
Varies
|
kPa (psi)
|
This parameter displays the amount of transmission adaptive
pressure (TAP), which modifies the commanded clutch apply
pressures.
|
Steady State TAP 2nd Gear TCC Applied
|
Varies
|
kPa (psi)
|
This parameter displays the amount of transmission adaptive
pressure (TAP), which modifies the commanded clutch apply
pressures.
|
Steady State TAP 3rd Gear
|
Varies
|
kPa (psi)
|
This parameter displays the amount of transmission adaptive
pressure (TAP), which modifies the commanded clutch apply
pressures.
|
Steady State TAP 3rd Gear TCC Applied
|
Varies
|
kPa (psi)
|
This parameter displays the amount of transmission adaptive
pressure (TAP), which modifies the commanded clutch apply
pressures.
|
Steady State TAP 4th Gear
|
Varies
|
kPa (psi)
|
This parameter displays the amount of transmission adaptive
pressure (TAP), which modifies the commanded clutch apply
pressures.
|
Steady State TAP 4th Gear TCC Applied
|
Varies
|
kPa (psi)
|
This parameter displays the amount of transmission adaptive
pressure (TAP), which modifies the commanded clutch apply
pressures.
|
Steady State TAP 5th Gear
|
Varies
|
kPa (psi)
|
This parameter displays the amount of transmission adaptive
pressure (TAP), which modifies the commanded clutch apply
pressures.
|
Steady State TAP 5th Gear TCC Applied
|
Varies
|
kPa (psi)
|
This parameter displays the amount of transmission adaptive
pressure (TAP), which modifies the commanded clutch apply
pressures.
|
Steady State TAP 6th Gear
|
Varies
|
kPa (psi)
|
This parameter displays the amount of transmission adaptive
pressure (TAP), which modifies the commanded clutch apply
pressures.
|
Steady State TAP 6th Gear TCC Applied
|
Varies
|
kPa (psi)
|
This parameter displays the amount of transmission adaptive
pressure (TAP), which modifies the commanded clutch apply
pressures.
|
Steady State TAP Reverse
|
Varies
|
kPa (psi)
|
This parameter displays the amount of transmission adaptive
pressure (TAP), which modifies the commanded clutch apply
pressures.
|
TCC PC Sol. Pressure Command
|
Varies
|
kPa (psi)
|
This parameter displays results in kPa (psi).
|
TCC Slip Speed
|
Varies
|
RPM
|
This parameter displays the difference between transmission
input speed and engine speed. A negative value indicates that the
engine speed is less than the input speed, deceleration. A positive
value indicates that the engine speed is greater than the input
speed, acceleration. A value of zero indicates that the engine
speed is equal to the input speed, TCC applied.
|
TCM Temperature
|
Varies
|
°C (°F)
|
This parameter displays results in °C (°F).
|
TFP Switch 1
|
HI/LOW
|
HI/LOW
|
This parameter displays the state of the first clutch oil
pressure switch. The scan tool displays HI/LOW.
|
TFP Switch 3
|
HI/LOW
|
HI/LOW
|
This parameter displays state of the 3rd clutch oil pressure
switch. The scan tool displays HI/LOW.
|
TFP Switch 4
|
HI/LOW
|
HI/LOW
|
This parameter displays state of the 4th clutch oil pressure
switch. The scan tool displays HI/LOW.
|
TFP Switch 5
|
HI/LOW
|
HI/LOW
|
This parameter displays state of the fifth clutch oil pressure
switch. The scan tool displays HI/LOW.
|
Trans. Fluid Life
|
Varies
|
%
|
This parameter displays the transmission oil life remaining. The
scan tool displays the remaining oil life as a percentage. The
transmission oil life is calculated based on fluid temperature and
engine run time.
|
Trans. Fluid Temp.
|
Varies
|
°C (°F)
|
This parameter displays the input signal of the transmission
fluid temperature sensor. Transmission fluid temperature is high
151°C (304°F) when signal voltage is low, 0 V, and
transmission fluid temperature is low -40°C (-40°F ) when
signal voltage is high, 5 V.
|
Transmission Hot Mode
|
On/Off
|
On/Off
|
When The transmission fluid temperature is above a temperature
which varies by calibration, the TCM will alter the shift pattern
until the temperature drops below a value which varies by
calibration.
|
Transmission ISS
|
Varies
|
RPM
|
This parameter displays the rotational speed of the transmission
input shaft. The scan tool displays input shaft speed is
revolutions per minute (RPM).
|
Transmission OSS
|
Varies
|
RPM
|
This parameter displays the rotational speed of the transmission
output shaft expressed as revolutions per minute.
|