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Hybrid Powertrain Control Module 2 Scan Tool Information

Battery Charger Control Module Scan Tool Data Parameters

Parameter Expected Value Definition
Operating Conditions:  Vehicle in Service Mode
Battery Charging System High Voltage Interlock Circuit Status Unknown/ Pass/ Fail The status (on/off) of the interlock circuit that is used by the hybrid battery charging system to turn off high voltage circuits to prevent persons from getting hurt in case of service repairs.
Battery Charging System High Voltage Interlock Circuit De-energized/ Energized This interlock circuit is used by the hybrid battery charging system to turn off high voltage circuits to prevent persons from getting hurt in case of service repairs.
Battery Charger Input Volts Battery Charger Control Module Input voltage or current.
Battery Charger Input Amps Battery Charger Control Module Input voltage or current.
Battery Charging System Operating Conditions Not OK/OK Indicates if the situation under which the battery charging system is operating are in range to allow charging.
Battery Charger Input 120V AC No/Yes Indicates the battery charging system is connected to 120V AC.
Battery Charger Input 240 VAC No/Yes Indicates the battery charging system is connected to 240V AC.
Hybrid/EV battery Pack at Maximum Voltage Yes/No Indicates the Hybrid/EV Battery pack is at the maximum allowable voltage.
Battery Charging System Not OK/OK Components that make up the system which allows the battery to be charged.
Battery Charging System Sensors Not OK/OK Sensors that monitor the status of the components that make up the system which allows the battery to be charged.
Battery Charging System Contactor Inhibit Yes/No Indicates if the battery charging system contactors (relays) are being prevented from closing.
Battery Charging Allowed Yes/No Indicates if battery charging of the hybrid system is permissible by the control module.
Charging Inactive/Active This string is used to describe a Status or Setting. Indicates an electronic system is in the process of being energized
Hybrid/EV battery Pack Charging Process Status Complete/ Incomplete Indicates if the Hybrid/EV Battery pack charging has completed or not.
Battery Charging Delay Timer Not Expired/Expired The timer that allows charging to be delayed to a later time. For hybrid vehicles.
Battery Charging Run Timer Expired/Not Expired The timer for maximum charging time.
Battery Charger Capacitors Discharged/ Charged Energy storage devices within the battery charger.
Battery Charging System Receptacle Switch Inactive/ Active/ Low/ High/ Invalid Switch at the receptacle where the vehicle is plugged in for battery charging.
Battery Charging System Receptacle Door Closed/ Open/ Unknown Door at the receptacle where the vehicle is plugged in for battery charging.
Battery Charger High Output kW Battery Charger Control Module high voltage or current output.
Battery Charger Low Output kW Battery Charger Control Module low voltage or current output.
Battery Charger High Voltage Power Output Available kW The maximum battery charger power output available for hybrid battery pack charging. In kW.
Battery Charger Power Input Available kW The maximum power available at the battery charger plug receptacle coming from a wall outlet.
Hybrid/EV battery Pack Charging Request Inactive/Active The request to charge the Hybrid/EV Battery pack.
Battery Charger Total Power Output Available Watts The maximum battery charger power output available for low voltage battery and hybrid battery pack charging
Hybrid/EV battery Pack Charging Limit Watts The maximum Hybrid/EV Battery pack charge power in Watts.
Battery Charger High Output Volts Battery Charger Control Module high voltage or current output.
Battery Charger High Output Amps Battery Charger Control Module high voltage or current output.
Battery Charger Low Output Volts Battery Charger Control Module low voltage or current output.
Battery Charger Low Output Amps Battery Charger Control Module low voltage or current output.
Battery Charger Temperature °C Battery Charger Control Module temperature.
Battery Charger High Voltage Energy Output During Last Charge kW-Hr The energy (kWh) the battery charger has pumped into the high voltage hybrid battery pack during the last charge event.
Battery Charging System Indicator Status Inactive/ Waiting/ Charging/ Complete/ Error Status of the charging system indicator (LEDs/Bulbs/Icons) on the dash of the vehicle.
Proximity Detection Circuit Volts The proximity detection circuit is used as a means to detect the presence of the EV Connector, upon initial insertion of the EV Connector into the EV Inlet and before any electrical contact is established, at the point where damage could occur to the Coupler if the vehicle were moved. The means shall provide a signal to activate the vehicle control system and interlock the vehicle drive system.
Contactor Scan Tool Data Parameters

Parameter Expected Value Definition
Operating Conditions:  Vehicle in Service Mode
Hybrid/EV Battery Pack Positive Contactor Command Closed/Open Serial data command to control the contactor (relay) on the (+) side of the Hybrid/EV Battery pack.
Hybrid/EV Battery Pack Negative Contactor Command Closed/Open Serial data command to control the contactor (relay) on the (-) side of the Hybrid/EV Battery pack.
Hybrid/EV Battery Pack Precharge Transistor Command Closed/Open Serial data command to control the operation of the Hybrid/EV Battery pack precharge transistor. A transistor is a component that amplifies a signal or opens or closes a circuit. Pre-charge of the powerline voltages in a high voltage DC application is a preliminary mode which current-limits the power source such that a controlled rise time of the system voltage during power up is achieved.
Hybrid/EV Battery Pack Multifunction Contactor Command Closed/Open Serial data command for the contactor (relay) that has more than one function on the Hybrid/EV Battery pack.
Battery Charging System Positive Contactor Command Closed/Open Serial data command to control the contactor (relay) on (+) side of the battery charging system.
Battery Charging System Negative Contactor Command Closed/Open Serial data command to control the contactor (relay) on (-) side of the battery charging system.
Hybrid/EV Battery Contactor Scan Tool Data Parameters

Parameter Expected Value Definition
Operating Conditions:  Vehicle in Service Mode
Hybrid/EV Battery System Precharge Current Too High No/Yes Pre-charge of the powerline voltages in a high voltage DC application is a preliminary mode which current-limits the power source such that a controlled rise time of the system voltage during power up is achieved.
Shutdown Mode Yes/No Shutdown Mode is the operational state while the system is turning off. Eg. when a PC is commanded to turn itself off, it takes a while until it actually turns off. In that time it is in Shutdown Mode.
Hybrid/EV Battery System Precharge Time Short Yes/No A Control module used to regulate the battery voltage on a hybrid car. (Sometimes uses the acronym BECM). 'Precharge' is a method used to gradually bring the Hybrid/EV Battery circuit up to high voltage without electrical damage to components caused by arching.
Hybrid/EV Battery System Precharge Time Too Long Yes/No The time allowed to initially charge a high voltage circuit has not taken too long.
Stuck Open No/Yes Symptom description that is displayed behind DTCs. This sub type is used for failures where the ECU does not detect any motion upon commanding the operation of a motor, solenoid, relay, etc., to close some piece of equipment.
Overtemperature Yes/No This string is used to describe a Status or Setting. The state of a component when it's heat content is above the normal acceptable range.
Discharging Yes/No This string is used to describe a Status or Setting. Indicates a state in which a charge or load is in the process of being relieved
Hybrid/EV Powertrain Control Module Request Yes/No Indicates the hybrid system control module is requesting the engine be operated with all cylinders enabled.
Crash Event Detected Yes/No This parameter contains a value indicating whether a crash has been detected by the control module.
High Voltage Interlock Circuit Yes/No If the cover for the high voltage cables is removed, the interlock circuit opens the high voltage circuit to make working on the high voltage cables safe.
Airbag Deployed Yes/No Indicates the reason the module that controls the movement of the rear closure is not functioning. In this instance it is because the air bag is deployed.
Fuel System Scan Tool Data Parameters

Parameter Expected Value Definition
Operating Conditions:  Vehicle in Service Mode
Fuel Tank Pressure KPa A sensor used to measure the amount of pressure created in the fuel tank.
Refuel System Status Off/Waiting/Ready to Refuel/Invalid The state of the system used while refuelling the vehicle, e.g. tank ventilation.
Refuel Request Inactive/Active State of the refuel system request.
Refuel Request Switch Inactive/ Active/ Unknown The switch for the driver to indicate to the refuel system that adding fuel to the vehicle is about to happen.
Refuel System Vent Requested No/Yes Indicates if the system that is used when refuelling the vehicle is asked to vent (depressurize) itself.
Refuel System Vented No/Yes Indicates if the system that is used when refuelling the vehicle is vented (depressurized).
Service Refuel System Indicator Off/On Malfunction indicator (LED, bulb, icon) of the system used for refuelling.
Fuel Door Indicator Off/On Indicator (LED, bulb, icon) for the fuel filler door
Fuel Door Position Open/ Closed/ Unknown The state of the fuel filler door (open, closed, unknown)
Fuel Door Lock Unlocked/ Locked/ Unknown The mechanism that secures the fuel filler door.
HVAC System Scan Tool Data Parameters

Parameter Expected Value Definition
Operating Conditions:  Vehicle in Service Mode
Electric A/C Compressor Power Request for Hybrid Battery Pack Cooling kW This electric power is need by the Electric A/C Compressor motor to cool the Hybrid/EV Battery Pack.
Electric A/C Compressor Power Command for Hybrid Battery Pack Cooling kW The power command from the Hybrid Powertrain Control Module 2 to the (electric) A/C compressor to provide Hybrid/EV Battery pack cooling.
Electric A/C Compressor Power Request for Passenger Compartment Cooling kW Amount of power the A/C compressor has requested from the hybrid battery pack to provide passenger compartment cooling.
Electric A/C Compressor Power Command for Passenger Compartment Cooling kW The power command from the Hybrid Powertrain Control Module 2 to the A/C compressor to provide passenger compartment cooling.
A/C Compressor Speed RPM Command from HVAC controller on how fast the compressor should run (rpm)
A/C Compressor Clutch Status Allowed, High Side Pressure Out of Range, Ambient Air Temperature Out of Range, Battery Voltage Out of Range, Coolant Temperature Out of Range, HVAC Blower Off, Engine Off, A/C Not Requested, Low Pressure Switch Open, A/C Evaporator Temperature Sensor Out of Range, Hybrid Electronics Coolant Temperature Out of Range, Transmission Fluid Temperature Out of Range, Error, A/C Compressor Command, Electric A/C Compressor Control Module Malfunction, Control Function Active, A/C Refrigerant High Side Pressure Malfunction, Low Refrigerant Pressure Detected, Engine Overspeed, A/C Evaporator Temperature, Shutdown Mode, A/C Compressor Power Limit, A/C Low Side Pressure, Low Refrigerant Pressure Detected, Engine Overspeed, Shutdown Mode, A/C Compressor Power Limit, A/C Low Side Pressure This string indicates the state of the air conditioning compressor clutch. A/C clutch which controls the amount of rotation in the compressor which creates the pressure in the system used to create cold air.
A/C Low Side Pressure Sensor kPa In a pneumatic or hydraulic system that has a high pressure part and a low pressure part, the pressure of the low side is monitored by this sensor.
A/C Low Side Pressure Sensor Volts In a pneumatic or hydraulic system that has a high pressure part and a low pressure part, the pressure of the low side is monitored by this sensor.
Ambient Air Temperature °C This parameter indicates the temperature of the air surrounding the vehicle.
A/C Compressor Power Limit No/Yes Displays the amount of power the A/C compressor is allowed to use in kW.
Passenger Compartment Heater Power Limited No/Yes Indicates if the passenger compartment heater power is limited this ignition cycle.
A/C Evaporator Temperature °C This indicates the temperature (degrees of heat) of the air conditioning system's evaporator.
Hybrid Powertrain Control Module 2 Scan Tool Data Parameters

Parameter Expected Value Definition
Operating Conditions:  Vehicle in Service Mode
Distance With MIL On km The accumulated distance driven with the malfunction indicator lamp (MIL) on.
Warm-Ups Since DTC Cleared Counts This parameter contains the number of OBD defined warm-up cycles since the last time codes were cleared with a scan tool or, when applicable, with a battery disconnect. A warm up means that the engine started from a cold start condition (which is some calibrated value which is usually around 70 or 80°F) and warms to operating temperature in a single key cycle.
Distance Since DTC Cleared km This parameter displays the distance in miles or kilometers since engine control module diagnostic trouble codes (DTCs) have been cleared using the service tool (tech 2 or aftermarket).
Ambient Air Temperature °C This parameter indicates the temperature of the air surrounding the vehicle.
Ignition 1 Signal Volts This is the name for a circuit between the engine control module and the battery via the ignition switch.
High Voltage System Interlock Circuit De-Energized/ Energized A low voltage circuit used to provide safety against high voltage exposure. If the low voltage circuit is opened the high voltage circuit will be disabled.
High Voltage System Interlock Circuit Status Unknown/ Pass/ Failed The status (on/off) of the iInterlock circuit used to turn off high voltage circuits to prevent persons from getting hurt in case of service repairs.
Battery Charging System High Voltage Interlock Circuit Status Unknown/ Pass/ Fail The status (on/off) of the interlock circuit that is used by the hybrid battery charging system to turn off high voltage circuits to prevent persons from getting hurt in case of service repairs.
Battery Charging System High Voltage Interlock Circuit De-energized/ Energized This interlock circuit is used by the hybrid battery charging system to turn off high voltage circuits to prevent persons from getting hurt in case of service repairs.
Isolation Test Resistance kOhm The control unit tests the high voltage lines for shorts. This is the resistance to ground that has been detected (is infinite if isolation is OK).
Hood Ajar Switch Open/Closed/Low Voltage/High Voltage/Invalid This string refers to the electronic device that warns when the engine compartment metal cover is slightly open.
High Voltage System Isolation Test Status Running/Not Running/ Incomplete/ Complete Indication of the diagnostic test status which detects if the High Voltage circuit is electrically isolated from the chassis (ground).
Battery Charging System Isolation Test Status Passed/Failed Indication of the diagnostic test status which detects if the Hybrid/EV Battery Charging System is electrically isolated from the chassis (ground).
Hybrid/EV Battery Pack Isolation Test Status Passed/Failed Indication of the diagnostic test status which detects if the Hybrid/EV Battery Pack is electrically isolated from the chassis (ground).
Power Mode Off/ Accessory/ Run/ Crank Request The state of the electrical system on the vehicle depending on the position of the ignition switch. This indicates the status of the ignition switch.
Temperature Scan Tool Data Parameters

Parameter Expected Value Definition
Operating Conditions:  Vehicle in Service Mode
Ambient Air Temperature °C This parameter indicates the temperature of the air surrounding the vehicle.
Maximum Hybrid/EV Battery Module Temperature °C The Hybrid/EV Battery contains many individual hybrid batteries wired in series. This is the temperature of the Hybrid/EV Battery module with the highest temperature.
Minimum Hybrid/EV Battery Module Temperature °C The Hybrid/EV Battery contains many individual hybrid batteries wired in series. This is the temperature of the Hybrid/EV Battery module with the lowest temperature.
Average Hybrid/EV Battery Pack Temperature °C Displays an average temperature of the Hybrid/EV Battery obtained from the ECM.
Hybrid/EV Battery Pack Coolant Temperature Sensor 1 °C The first of two sensors used to monitor the temperature of coolant used to maintain Hybrid/EV Battery temperatures is not functioning properly.
Hybrid/EV Battery Pack Coolant Temperature Sensor 2 °C The second of two sensors used to monitor the temperature of coolant used to maintain Hybrid/EV Battery temperatures is not functioning properly.
Hybrid/EV Battery Pack Coolant Pump Command % Serial data command to control the pump motor for the coolant of the Hybrid/EV Battery.
Hybrid/EV Battery Pack Coolant Pump Feedback % Measured speed in RPM of the pump for the Hybrid/EV Battery coolant.
Hybrid/EV Battery Pack Coolant Pump Speed RPM Hybrid/EV Battery pack coolant pump speed in RPM.
Hybrid/EV Battery Pack Coolant Control Solenoid Valve Command 100%, 90%, 80%, 70%, 60%, 50%, 40%, 30%, 20%, 10%, Normal, Bypass Serial data command to control the solenoid valve that controls the coolant flow through the Hybrid/EV Battery pack.
Hybrid/EV Battery Pack Coolant Control Solenoid Valve Feedback 100%, 90%, 80%, 70%, 60%, 50%, 40%, 30%, 20%, 10%, Normal, Bypass Measured position of the solenoid valve.
Hybrid/EV Battery Pack Coolant Control Solenoid Valve Learn Status Not Run/ Running/ Complete/ Error Indicates if the learning procedure for the solenoid valve was executed by the control module.
Hybrid/EV Electronics Coolant Temperature °C Temperature of the coolant within the hybrid electronics cooling system.
Hybrid/EV Electronics Coolant Pump Command % Serial data command to control the pump motor for the coolant of the hybrid electronics.
Hybrid/EV Electronics Coolant Pump Feedback % Measured speed of the pump for the coolant of the hybrid powertrain electronics.
Hybrid/EV Electronics Coolant Pump Speed RPM Speed of the pump motor for the coolant of the hybrid electronics.
14V Power Module Fan % The command to control the speed of the 14V power module fan.
14 Volt Power Module Fan Feedback % Measured speed of the fan for the module that supplies 14V.
14V Power Module Fan Speed RPM Speed of the cooling fan for the module that supplies 14V.
Hybrid/EV Battery Pack Heater Power Command kW Serial data command to control the heater for the Hybrid/EV Battery pack.
Hybrid/EV Battery Pack Heater Power Command % Serial data command to control the heater for the Hybrid/EV Battery pack.
Hybrid/EV Battery Pack Heater Power Request kW Amount of power the Hybrid/EV Battery pack heater has requested to provide Hybrid/EV Battery pack heating.
Hybrid/EV Battery Pack Heater Power Limited No/Yes Indicates if the Hybrid/EV Battery pack heater power is limited this ignition cycle.
Passenger Compartment Heater Coolant Control Solenoid Valve Command % Serial data command to control the solenoid valve that controls the coolant flow through the heater core for the passenger compartment.
Passenger Compartment Heater Coolant Control Solenoid Valve Feedback % Measured position of the solenoid valve that controls the coolant flow through the heater core for the passenger compartment.
Passenger Compartment Heater Coolant Control Solenoid Valve Learn Status Not Learned/Learned Status of the passenger compartment heater coolant control solenoid valve learn.
Cooling Fan Motor Command % This displays either in percentage or commanded state of the engine cooling fan.
Hybrid/EV Battery Pack Coolant Level Switch Volts This displays the voltage signal from the coolant level switch.
Voltage Scan Tool Data Parameters

Parameter Expected Value Definition
Operating Conditions:  Vehicle in Service Mode
High Voltage System Interlock Circuit De-energized/ Energized A low voltage circuit used to provide safety against high voltage exposure. If the low voltage circuit is opened the high voltage circuit will be disabled.
High Voltage System Interlock Circuit Status Unknown/ Pass/ Failed The status (on/off) of the iInterlock circuit used to turn off high voltage circuits to prevent persons from getting hurt in case of service repairs.
Battery Charging System High Voltage Interlock Circuit Status Unknown/ Pass/ Fail The status (on/off) of the interlock circuit that is used by the hybrid battery charging system to turn off high voltage circuits to prevent persons from getting hurt in case of service repairs.
Battery Charging System High Voltage Interlock Circuit De-energized/ Energized This interlock circuit is used by the hybrid battery charging system to turn off high voltage circuits to prevent persons from getting hurt in case of service repairs.
Hybrid/EV Battery Pack Voltage Volts The electrical potential of the Hybrid/EV Battery.
Minimum Hybrid/EV Battery Module Voltage Volts The Hybrid/EV Battery contains many individual hybrid batteries wired in series. The battery energy control module (BECM) measures voltage across the Hybrid/EV Battery modules in pairs. This parameter displays the minimum voltage measured at any of the module pairs during the current ignition cycle.
Hybrid/EV Battery Voltage Sensor with Minimum Value Sensor Number Index-number of the Hybrid/EV Battery voltage sensor that is reporting the lowest voltage.
Maximum Hybrid/EV Battery Module Voltage Volts This parameter displays the maximum voltage monitored during the current ignition cycle.
Hybrid/EV Battery Voltage Sensor with Maximum Value Sensor Number Index-number of the Hybrid/EV Battery voltage sensor that is reporting the highest voltage.
Hybrid/EV Battery Pack Maximum Voltage Volts The Hybrid/EV Battery pack maximum voltage allowed.
Hybrid/EV Battery Pack Minimum Voltage Volts The Hybrid/EV Battery pack minimum voltage allowed.
Hybrid/EV Battery Voltage Sensor Average Volts The average voltage of all sensor readings within the Hybrid/EV Battery Pack.
Hybrid/EV Battery Pack State of Charge % The available capacity remaining in a Hybrid/EV Battery
Hybrid/EV Battery Pack Minimum State of Charge Limit % Minimum permissible Hybrid/EV Battery pack state of charge. The battery must not be discharged below this limit.
Hybrid/EV Battery Pack Maximum State of Charge Limit % Indicates the maximum allowed state of charge (%) of the Hybrid/EV Battery pack. (Might be reduced at cold temperatures).
Hybrid/EV Battery Pack State of Charge Gauge % The reading on the Hybrid/EV Battery pack state of charge gauge located on the dash of the vehicle.
Hybrid/EV Battery Pack Resistance Ohms The Hybrid/EV Battery resistance value in ohms.
Hybrid/EV Battery Pack Current Amps This indicates the amount of Hybrid/EV Battery current is in amperage
Hybrid/EV Battery Pack Maximum Discharge Current Limit Amps The Hybrid/EV Battery pack highest discharge current allowed.
14V Power Module Power Available From Hybrid/EV Battery Pack kW The amount of power (kW) being supplied from the Hybrid/EV Battery Pack to the 14V Power Module.
Hybrid/EV/EV Battery Capacity Ah Measures the capacity of the battery