Scan Tool Data Definitions 2

SCAN TOOL DATA DEFINITIONS

HO2S Bank 1 Sensor 1 Heater Command: This parameter displays the commanded state of the heater control circuit for oxygen bank 1 sensor 1. The oxygen sensor heater should be on when the scan tool indicates the HO2S Heater Command is On. The oxygen sensor heater should be off when the scan tool indicates the HO2S Heater Command is Off.

HO2S Bank 1 Sensor 2 Heater Command: This parameter displays the commanded state of the heater control circuit for oxygen bank 1 sensor 2. The oxygen sensor heater should be on when the scan tool indicates the HO2S Heater Command is On. The oxygen sensor heater should be off when the scan tool indicates the HO2S Heater Command is Off.

HO2S Bank 2 Sensor 1 Heater Command: This parameter displays the commanded state of the heater control circuit for oxygen bank 2 sensor 1. The oxygen sensor heater should be on when the scan tool indicates the HO2S Heater Command is On. The oxygen sensor heater should be off when the scan tool indicates the HO2S Heater Command is Off.

HO2S Bank 2 Sensor 2 Heater Command: This parameter displays the commanded state of the heater control circuit for oxygen bank 2 sensor 2. The oxygen sensor heater should be on when the scan tool indicates the HO2S Heater Command is On. The oxygen sensor heater should be off when the scan tool indicates the HO2S Heater Command is Off.

HO2S Bank 1 Sensor 1 Heater: This parameter displays the current through the control module when the bank 1 sensor 1 HO2S heater is commanded ON by the control module. HO2S Heater Bn 1 Sen. 1 is a range of values indicating a low current when the heater circuit resistance is high to a high current when the heater circuit resistance is low.

HO2S Bank 1 Sensor 2 Heater: This parameter displays the current through the control module when the bank 1 sensor 2 HO2S heater is commanded ON by the control module. HO2S Heater Bn 1 Sen. 2 is a range of values indicating a low current when the heater circuit resistance is high to a high current when the heater circuit resistance is low.

HO2S Bank 2 Sensor 1 Heater: This parameter displays the current through the control module when the bank 2 sensor 1 HO2S heater is commanded ON by the control module. HO2S Heater Bn 2 Sen. 1 is a range of values indicating a low current when the heater circuit resistance is high to a high current when the heater circuit resistance is low.

HO2S Bank 2 Sensor 2 Heater: This parameter displays the current through the control module when the bank 2 sensor 2 HO2S heater is commanded ON by the control module. HO2S Heater Bn 2 Sen. 2 is a range of values indicating a low current when the heater circuit resistance is high to a high current when the heater circuit resistance is low.

HO2S Bank 1 Sensor 1 Heater Circuit Status: This parameter displays the status of the output driver for the HO2S Heater Bn 1 Sen. 1. The scan tool will display OK if the circuit is operating correctly. The scan tool will display Fault if there is an open, short to ground or a short to voltage on the circuit.

HO2S Bank 1 Sensor 2 Heater Circuit Status: This parameter displays the status of the output driver for the HO2S Heater Bn 1 Sen. 2. The scan tool will display OK if the circuit is operating correctly. The scan tool will display Fault if there is an open, short to ground or a short to voltage on the circuit.

HO2S Bank 2 Sensor 1 Heater Circuit Status: This parameter displays the status of the output driver for the HO2S Heater Bn 2 Sen. 1. The scan tool will display OK if the circuit is operating correctly. The scan tool will display Fault if there is an open, short to ground or a short to voltage on the circuit.

HO2S Bank 2 Sensor 2 Heater Circuit Status: This parameter displays the status of the output driver for the HO2S Heater Bn 2 Sen. 2. The scan tool will display OK if the circuit is operating correctly. The scan tool will display Fault if there is an open, short to ground or a short to voltage on the circuit.

HO2S Heater Monitor Complete This Ignition: This parameter displays the diagnostic monitor completion status during the current driving/monitoring cycle.

HO2S Heater Monitor Enabled This Ignition: This parameter displays the diagnostic monitor enable status during the current driving/monitoring cycle.

HO2S/O2S Monitor Complete This Ignition: This parameter displays the diagnostic monitor completion status during the current driving/monitoring cycle.

HO2S/O2S Monitor Enabled This Ignition: This parameter displays the diagnostic monitor enable status during the current driving/monitoring cycle.

HOT Open Loop: This parameter indicates the status of the fuel delivery system. The scan tool will display Active if the fuel system is running in open loop due to a temperature concern. The scan tool will display Inactive if the fuel system is operating normally.

IAT Sensor: The scan tool displays �C/F. The PCM converts the resistance of the intake air temperature (IAT) sensor to degrees in the same manner as the engine coolant temperature (ECT) sensor. Intake air temp is used by the PCM to adjust fuel delivery and spark timing according to incoming air density. The scan tool displays a range of -39 to +140°C (-38 to +284°F). The PCM converts the resistance of the intake air temperature sensor to degrees. The PCM uses the IAT in order to adjust fuel delivery and spark timing according to incoming air density.

Ignition 1 Signal: This parameter displays the voltage measured at the ignition 1 circuit of the control module. Voltage is applied to the control module when the ignition switch is in the ignition 1 position.

Ignition Accessory Signal: This parameter displays the state of the ignition 0 input to the control module from the ignition switch. The scan tool will display On when the ignition switch is in the ignition accessory position. The scan tool will display Off when the ignition switch is in any other position.

Ignition Off Time: The Scan tool displays time in minutes. This parameter is used by the control module to identify the amount of time that has passed. This parameter is used for various components and systems including throttle actuator control (TAC) system and the EVAP system.

IMT Valve Command: The scan tool displays Open/Closed. This parameter indicates the commanded position of the IMT Valve.

IMT Valve Feedback Signal: The scan tool displays percentage of valve opening. This parameter indicates the actual position of the IMT Valve.

IMT Valve Learn Enabled: The scan tool displays YES/NO. This parameter indicates whether the IMT Valve learned park position has been learned. This is performed at key up.

IMT Valve Position: This parameter displays the current position of the IMT valve. The scan tool will display Open, Intermediate, or Closed.

IMT Valve Sol. Circuit Status: This parameter displays the status of the output driver for the IMT valve solenoid control circuit. The scan tool will display OK if the circuit is operating correctly or Incomplete if a diagnosis has not been made. The scan tool will display Short Gnd, if there is a short to ground, Open, if there is an open, Short to B+ if there is a short to voltage on the circuit.

Inj. 1 Disabled Due to Misfire: This parameter displays the status of the fuel injector driver by the control module. The scan tool will display YES if the fuel injector is being disabled due to a misfire detection. The scan tool will display NO if the fuel injector is not being disabled by the control module due to a misfire.

Inj. 2 Disabled Due to Misfire: This parameter displays the status of the fuel injector driver by the control module. The scan tool will display YES if the fuel injector is being disabled due to a misfire detection. The scan tool will display NO if the fuel injector is not being disabled by the control module due to a misfire.

Inj. 3 Disabled Due to Misfire: This parameter displays the status of the fuel injector driver by the control module. The scan tool will display YES if the fuel injector is being disabled due to a misfire detection. The scan tool will display NO if the fuel injector is not being disabled by the control module due to a misfire.

Inj. 4 Disabled Due to Misfire: This parameter displays the status of the fuel injector driver by the control module. The scan tool will display YES if the fuel injector is being disabled due to a misfire detection. The scan tool will display NO if the fuel injector is not being disabled by the control module due to a misfire.

Inj. 5 Disabled Due to Misfire: This parameter displays the status of the fuel injector driver by the control module. The scan tool will display YES if the fuel injector is being disabled due to a misfire detection. The scan tool will display NO if the fuel injector is not being disabled by the control module due to a misfire.

Inj. 6 Disabled Due to Misfire: This parameter displays the status of the fuel injector driver by the control module. The scan tool will display YES if the fuel injector is being disabled due to a misfire detection. The scan tool will display NO if the fuel injector is not being disabled by the control module due to a misfire.