For 1990-2009 cars only
1-2 Shift Time: 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: 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: 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: 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.
APP Angle: This parameter displays the position of the accelerator pedal. A display of 0 percent indicates that the accelerator pedal is fully released. A display of 100 percent indicates that the accelerator is fully depressed. The value indicated may not correspond to the TP angle value.
Clutch PC Sol. 1 Actual Current: This parameter displays the actual current flow through the clutch pressure control (PC) solenoid valve circuit which is measured by the control module. High current flow results in low line pressure. Low current flow results in high line pressure.
Clutch PC Sol. 1 CKT Status: This parameter displays whether an open, short to voltage or short to ground exists in the clutch pressure control (PC) solenoid 1 feedback signal circuit. The scan tool displays OK, Open/Short to volts, Short to GND.
Clutch PC Sol. 1 Ref. Current: This parameter displays the commanded current of the clutch pressure control (PC) solenoid valve circuit. High current results in low line pressure. Low current results in high line pressure.
Clutch PC Sol. 1 Test Results: This parameter displays results of the solenoid functional test. The scan tool displays Not Ran, Pass, Sol. Failed, TFP 3 Failed, or TFP 4 Failed.
Clutch PC Sol. 1 Test Status: This parameter displays the status of the solenoid test run by the PCM. The scan tool displays Not Ran, In Progress, Complete, User Aborted, or PCM Aborted.
Clutch PC Sol. 2 Actual Current: This parameter displays the actual current flow through the clutch pressure control (PC) solenoid valve circuit which is measured by the control module. High current flow results in low line pressure. Low current flow results in high line pressure.
Clutch PC Sol. 2 CKT Status: This parameter displays whether an open, short to voltage or short to ground exists in the clutch pressure control (PC) solenoid 2 feedback signal circuit. The scan tool displays OK, Open/Short to volts, Short to GND.
Clutch PC Sol. 2 Ref. Current: This parameter displays the commanded current of the clutch pressure control (PC) solenoid valve circuit. High current results in low line pressure. Low current results in high line pressure.
Clutch PC Sol. 2 Test Results: This parameter displays results of the solenoid functional test. The scan tool displays Not Ran, Pass, Sol. Failed, TFP 3 Failed, or TFP 4 Failed.
Clutch PC Sol. 2 Test Status: This parameter displays the status of the solenoid test run by the PCM. The scan tool displays Not Ran, In Progress, Complete, User Aborted, or PCM Aborted.
Commanded Gear: This parameter displays the current commanded state of the shift solenoid valves. The scan tool displays 1, 2, 3, 4 or 5.
Cruise: This parameter displays the commanded state of the cruise control system. The scan tool displays ENABLED or DISABLED. When the display indicates ENABLED, the PCM is allowing cruise control operation. When the display indicates DISABLED, the PCM has disabled cruise control operation. When the cruise control display is ENABLED, shift patterns will be altered for 2-3 and 3-4 upshifts or 4-3 and 3-2 downshifts.
ECT: 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 volt. ECT is low at -40°C (-40°F) when the signal voltage is high, 5 volt.
Engine Run Time: This parameter displays a measure in Hr:Min:Sec of the length of time the engine has been operating. When the ignition is cycled to OFF, the value is reset to zero.
Engine Speed: This parameter displays the rotational speed of the engine expressed as revolutions per minute.
Engine Torque: 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 ft lb) of actual measured engine torque.
Gear Ratio: This parameter displays the actual transmission gear ratio. The scan tool displays the gear ratio calculated from the automatic transmission input shaft speed sensor (AT ISS) and the automatic transmission output shaft speed sensor (AT OSS) inputs.
Gear Slip Ratio: This parameter displays the calculated transmission gear slip ratio. The gear slip ratio is determined by comparing the calculated gear ratio to the desired gear ratio.
Ignition Voltage: This parameter displays the system voltage measured at the ignition feed.
Last Shift Time: This parameter displays the actual time of the last upshift. This value is only accurate if the shift was adaptable.
Shift Sol. 1 CKT Status: This parameter displays whether an open, short to voltage or ground exists in the shift solenoid valve 1 feedback signal circuit. The scan tool displays OK, Open/Short to Volts, Short to GND.
Shift Sol. 2 CKT Status: This parameter displays whether an open or short to voltage or ground exists in the 2-3, 3-4 shift solenoid valve (S2) feedback signal circuit. The scan tool displays OK, Open/Short to Volts, or Short to GND.
Shift Sol. 3 CKT Status: This parameter displays whether an open or short to voltage or ground exists in the 1-2, 2-3, reverse, shift solenoid valve (S3) feedback signal. The scan tool displays OK, Open/Short to Volts, or Short to GND.
Shift Solenoid 1: This parameter displays the commanded state of the reverse, 1st shift solenoid valve (S1). The scan tool displays On/Off.
Shift Solenoid 2: This parameter displays the commanded state of the 2-3, 3-4 shift solenoid valve (S2). The scan tool displays On/Off.
Shift Solenoid 3: This parameter displays the commanded state of the 1-2, 2-3, reverse shift solenoid valve (S3). The scan tool displays On/Off.
TCC Brake Switch: This parameter displays the status of the TCC brake switch circuit input. OPEN indicates a zero voltage input, brake pedal applied. CLOSED indicates a voltage input, brake pedal released. The scan tool displays OPEN or CLOSED.
TCC Enable Sol. CKT Status: This parameter displays whether an open or short to ground or voltage exist in the TCC solenoid valve feedback signal. If the TCC solenoid is commanded OFF, the scan tool will display open or short to ground. If the TCC solenoid is commanded ON, the scan tool will display short to voltage. If no circuit fault is present, the scan tool will display OK.
TCC Enable Solenoid: This parameter displays the commanded state of the TCC solenoid. Yes indicates a commanded energized state, current is flowing through the solenoid. No indicates a commanded non-energized state, current is not flowing through the solenoid. This commanded state occurs at various vehicle speeds between applications. The scan tool displays Yes or No.
TCC PC Sol. Actual Current: This parameter displays the actual current of the torque converter clutch (TCC) lock up pressure control (PC) solenoid valve circuit. The scan tool displays current flow in amps. A reading of 0.00 amps, no current flowing, indicates a low TCC apply pressure. A reading of 1.10 amps, a high flow of current, indicates a high TCC apply pressure.
TCC PC Sol. CKT Status: This parameter displays whether an open or short to voltage or ground exists in the torque converter clutch (TCC) pressure control (PC) solenoid valve feedback signal circuit. The scan tool displays OK, Open/Short to Volts, Short to GND, or Indeterminate.
TCC PC Sol. Ref. Current: This parameter displays the commanded reference current flow of the torque converter clutch (TCC) lock up pressure control (PC) solenoid valve circuit. The scan tool displays current flow in amps. A reading of 0.00 amps, no current flow, indicates an actual high commanded apply pressure. A reading of 1.10 amps, a high flow of current, indicates a high commanded TCC apply pressure.
TCC PC Sol. Test Results: This parameter displays results of the solenoid functional test. The scan tool displays Not Ran, Pass, Sol. Failed, TFP 2 Failed, or TFP Failed 3.
TCC PC Sol. Test Status: This parameter displays the status of the solenoid test run by the PCM. The scan tool displays Not Ran, In Progress, Complete, User Aborted, or PCM Aborted.
TCC Slip Speed: This parameter displays the difference between transmission input speed and engine speed. A negative value indicates the engine speed is less than the input speed, deceleration. A positive value indicates the engine speed is greater than the input speed, acceleration. A value of zero indicates the engine speed is equal to the input speed, TCC applied.
TFP Switch 3: This parameter displays the state of the 3rd clutch oil pressure switch. The scan tool displays HI/LOW.
TFP Switch 4: This parameter displays the state of the 4th clutch oil pressure switch. The scan tool displays HI/LOW.
Torque Converter Efficiency: This parameter displays a ratio of 0.00:1 to 2:1. The ratio is calculated by multiplying the speed ratio by a value related to the "K factor" of the torque converter. The "K factor" is the looseness or tightness of the torque converter for a given torque. The nearer the torque converter is to full coupling, i.e. 1:1, the closer the torque converter efficiency number will be to 1.
TR Sw.: This parameter displays the decoded status of the four A/B/C/P inputs from the transmission range switch. The scan tool displays Park, Reverse, Neutral, Drive, Intermediate, Low, and invalid. If a valid combination of inputs is not detected, invalid will be displayed.
TR Sw. Forward Range: This parameter displays the status of the four inputs from the transmission range switch. The scan tool displays HI/LOW. HI indicates an ignition voltage input to the control module. LOW indicates a zero voltage input to the control module.
TR Sw. D/I/L: This parameter displays the status of the inputs from the transmission range switch. The scan tool displays HI/LOW. HI indicates an ignition voltage input to the control module. LOW indicates a zero voltage input to the control module.
TR Sw. P/R/N: This parameter displays the status of the inputs from the transmission range switch. The scan tool displays HI/LOW. HI indicates an ignition voltage input to the control module. LOW indicates a zero voltage input to the control module.
Trans. Fluid Temp.: 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 volt. Transmission fluid temperature is low, -40°C (-40°F), when signal voltage is high, 5 volt.
Transmission Hot Mode: This parameter displays the automatic transmission fluid temperature (TFT) and displays On or Off. Off indicates that the TFT has not exceeded 130°C (266°F). On indicates that the TFT has exceeded 130°C (266°F) and has not cooled to 120°C (248°F) for greater that 5 seconds. These numbers are approximate and differ with transmissions.
Transmission ISS: This parameter displays the rotational speed of the transmission input shaft. The scan tool displays input shaft speed as revolutions per minute (RPM).
Transmission OSS: This parameter displays the rotational speed of the transmission output shaft. The scan tool displays output shaft speed as revolutions per minute (RPM). On four-wheel drive applications, the transfer case output shaft speed is measured.
Vehicle Speed: This parameter displays the speed at which the vehicle is traveling. The scan tool displays vehicle speed as kilometers per hour (km/h), miles per hour (MPH). The vehicle speed is calculated based on the input signal from the automatic transmission output shaft speed sensor.
2-3 Shift Time: 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: 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: 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.
APP Angle: This parameter displays the position of the accelerator pedal. A display of 0 percent indicates that the accelerator pedal is fully released. A display of 100 percent indicates that the accelerator is fully depressed. The value indicated may not correspond to the TP angle value.
Clutch PC Sol. 1 Actual Current: This parameter displays the actual current flow through the clutch pressure control (PC) solenoid valve circuit which is measured by the control module. High current flow results in low line pressure. Low current flow results in high line pressure.
Clutch PC Sol. 1 CKT Status: This parameter displays whether an open, short to voltage or short to ground exists in the clutch pressure control (PC) solenoid 1 feedback signal circuit. The scan tool displays OK, Open/Short to volts, Short to GND.
Clutch PC Sol. 1 Ref. Current: This parameter displays the commanded current of the clutch pressure control (PC) solenoid valve circuit. High current results in low line pressure. Low current results in high line pressure.
Clutch PC Sol. 1 Test Results: This parameter displays results of the solenoid functional test. The scan tool displays Not Ran, Pass, Sol. Failed, TFP 3 Failed, or TFP 4 Failed.
Clutch PC Sol. 1 Test Status: This parameter displays the status of the solenoid test run by the PCM. The scan tool displays Not Ran, In Progress, Complete, User Aborted, or PCM Aborted.
Clutch PC Sol. 2 Actual Current: This parameter displays the actual current flow through the clutch pressure control (PC) solenoid valve circuit which is measured by the control module. High current flow results in low line pressure. Low current flow results in high line pressure.
Clutch PC Sol. 2 CKT Status: This parameter displays whether an open, short to voltage or short to ground exists in the clutch pressure control (PC) solenoid 2 feedback signal circuit. The scan tool displays OK, Open/Short to volts, Short to GND.
Clutch PC Sol. 2 Ref. Current: This parameter displays the commanded current of the clutch pressure control (PC) solenoid valve circuit. High current results in low line pressure. Low current results in high line pressure.
Clutch PC Sol. 2 Test Results: This parameter displays results of the solenoid functional test. The scan tool displays Not Ran, Pass, Sol. Failed, TFP 3 Failed, or TFP 4 Failed.
Clutch PC Sol. 2 Test Status: This parameter displays the status of the solenoid test run by the PCM. The scan tool displays Not Ran, In Progress, Complete, User Aborted, or PCM Aborted.
Commanded Gear: This parameter displays the current commanded state of the shift solenoid valves. The scan tool displays 1, 2, 3, 4 or 5.
Cruise: This parameter displays the commanded state of the cruise control system. The scan tool displays ENABLED or DISABLED. When the display indicates ENABLED, the PCM is allowing cruise control operation. When the display indicates DISABLED, the PCM has disabled cruise control operation. When the cruise control display is ENABLED, shift patterns will be altered for 2-3 and 3-4 upshifts or 4-3 and 3-2 downshifts.
ECT: 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 volt. ECT is low at -40°C (-40°F) when the signal voltage is high, 5 volt.
Engine Run Time: This parameter displays a measure in Hr:Min:Sec of the length of time the engine has been operating. When the ignition is cycled to OFF, the value is reset to zero.
Engine Speed: This parameter displays the rotational speed of the engine expressed as revolutions per minute.
Engine Torque: 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 ft lb) of actual measured engine torque.
Gear Ratio: This parameter displays the actual transmission gear ratio. The scan tool displays the gear ratio calculated from the automatic transmission input shaft speed sensor (AT ISS) and the automatic transmission output shaft speed sensor (AT OSS) inputs.
Gear Slip Ratio: This parameter displays the calculated transmission gear slip ratio. The gear slip ratio is determined by comparing the calculated gear ratio to the desired gear ratio.
Ignition Voltage: This parameter displays the system voltage measured at the ignition feed.
Last Shift Time: This parameter displays the actual time of the last upshift. This value is only accurate if the shift was adaptable.
Shift Sol. 1 CKT Status: This parameter displays whether an open, short to voltage or ground exists in the shift solenoid valve 1 feedback signal circuit. The scan tool displays OK, Open/Short to Volts, Short to GND.
Shift Sol. 2 CKT Status: This parameter displays whether an open or short to voltage or ground exists in the 2-3, 3-4 shift solenoid valve (S2) feedback signal circuit. The scan tool displays OK, Open/Short to Volts, or Short to GND.
Shift Sol. 3 CKT Status: This parameter displays whether an open or short to voltage or ground exists in the 1-2, 2-3, reverse, shift solenoid valve (S3) feedback signal. The scan tool displays OK, Open/Short to Volts, or Short to GND.
Shift Solenoid 1: This parameter displays the commanded state of the reverse, 1st shift solenoid valve (S1). The scan tool displays On/Off.
Shift Solenoid 2: This parameter displays the commanded state of the 2-3, 3-4 shift solenoid valve (S2). The scan tool displays On/Off.
Shift Solenoid 3: This parameter displays the commanded state of the 1-2, 2-3, reverse shift solenoid valve (S3). The scan tool displays On/Off.
TCC Brake Switch: This parameter displays the status of the TCC brake switch circuit input. OPEN indicates a zero voltage input, brake pedal applied. CLOSED indicates a voltage input, brake pedal released. The scan tool displays OPEN or CLOSED.
TCC Enable Sol. CKT Status: This parameter displays whether an open or short to ground or voltage exist in the TCC solenoid valve feedback signal. If the TCC solenoid is commanded OFF, the scan tool will display open or short to ground. If the TCC solenoid is commanded ON, the scan tool will display short to voltage. If no circuit fault is present, the scan tool will display OK.
TCC Enable Solenoid: This parameter displays the commanded state of the TCC solenoid. Yes indicates a commanded energized state, current is flowing through the solenoid. No indicates a commanded non-energized state, current is not flowing through the solenoid. This commanded state occurs at various vehicle speeds between applications. The scan tool displays Yes or No.
TCC PC Sol. Actual Current: This parameter displays the actual current of the torque converter clutch (TCC) lock up pressure control (PC) solenoid valve circuit. The scan tool displays current flow in amps. A reading of 0.00 amps, no current flowing, indicates a low TCC apply pressure. A reading of 1.10 amps, a high flow of current, indicates a high TCC apply pressure.
TCC PC Sol. CKT Status: This parameter displays whether an open or short to voltage or ground exists in the torque converter clutch (TCC) pressure control (PC) solenoid valve feedback signal circuit. The scan tool displays OK, Open/Short to Volts, Short to GND, or Indeterminate.
TCC PC Sol. Ref. Current: This parameter displays the commanded reference current flow of the torque converter clutch (TCC) lock up pressure control (PC) solenoid valve circuit. The scan tool displays current flow in amps. A reading of 0.00 amps, no current flow, indicates an actual high commanded apply pressure. A reading of 1.10 amps, a high flow of current, indicates a high commanded TCC apply pressure.
TCC PC Sol. Test Results: This parameter displays results of the solenoid functional test. The scan tool displays Not Ran, Pass, Sol. Failed, TFP 2 Failed, or TFP Failed 3.
TCC PC Sol. Test Status: This parameter displays the status of the solenoid test run by the PCM. The scan tool displays Not Ran, In Progress, Complete, User Aborted, or PCM Aborted.
TCC Slip Speed: This parameter displays the difference between transmission input speed and engine speed. A negative value indicates the engine speed is less than the input speed, deceleration. A positive value indicates the engine speed is greater than the input speed, acceleration. A value of zero indicates the engine speed is equal to the input speed, TCC applied.
TFP Switch 3: This parameter displays the state of the 3rd clutch oil pressure switch. The scan tool displays HI/LOW.
TFP Switch 4: This parameter displays the state of the 4th clutch oil pressure switch. The scan tool displays HI/LOW.
Torque Converter Efficiency: This parameter displays a ratio of 0.00:1 to 2:1. The ratio is calculated by multiplying the speed ratio by a value related to the "K factor" of the torque converter. The "K factor" is the looseness or tightness of the torque converter for a given torque. The nearer the torque converter is to full coupling, i.e. 1:1, the closer the torque converter efficiency number will be to 1.
TR Sw.: This parameter displays the decoded status of the four A/B/C/P inputs from the transmission range switch. The scan tool displays Park, Reverse, Neutral, Drive, Intermediate, Low, and invalid. If a valid combination of inputs is not detected, invalid will be displayed.
TR Sw. Forward Range: This parameter displays the status of the four inputs from the transmission range switch. The scan tool displays HI/LOW. HI indicates an ignition voltage input to the control module. LOW indicates a zero voltage input to the control module.
TR Sw. D/I/L: This parameter displays the status of the inputs from the transmission range switch. The scan tool displays HI/LOW. HI indicates an ignition voltage input to the control module. LOW indicates a zero voltage input to the control module.
TR Sw. P/R/N: This parameter displays the status of the inputs from the transmission range switch. The scan tool displays HI/LOW. HI indicates an ignition voltage input to the control module. LOW indicates a zero voltage input to the control module.
Trans. Fluid Temp.: 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 volt. Transmission fluid temperature is low, -40°C (-40°F), when signal voltage is high, 5 volt.
Transmission Hot Mode: This parameter displays the automatic transmission fluid temperature (TFT) and displays On or Off. Off indicates that the TFT has not exceeded 130°C (266°F). On indicates that the TFT has exceeded 130°C (266°F) and has not cooled to 120°C (248°F) for greater that 5 seconds. These numbers are approximate and differ with transmissions.
Transmission ISS: This parameter displays the rotational speed of the transmission input shaft. The scan tool displays input shaft speed as revolutions per minute (RPM).
Transmission OSS: This parameter displays the rotational speed of the transmission output shaft. The scan tool displays output shaft speed as revolutions per minute (RPM). On four-wheel drive applications, the transfer case output shaft speed is measured.
Vehicle Speed: This parameter displays the speed at which the vehicle is traveling. The scan tool displays vehicle speed as kilometers per hour (km/h), miles per hour (MPH). The vehicle speed is calculated based on the input signal from the automatic transmission output shaft speed sensor.
