HPCM Input/Output Signal Chart
WARNING: This page is about a different car, the 2012 Infiniti M35h. However, it is still accessible from the selected car via links, so may be relevant.
INPUT SIGNAL ITEM
| Transmitting sensor/unit | Signal name | Description | |
|---|---|---|---|
| Accelerator pedal position sensor | Accelerator pedal position | Detects the amount that the accelerator pedal is depressed. | |
| Clutch 1 stroke sensor | Clutch 1 position | Detects the clutch 1 status. | |
| Brake switch | Brake pedal position | Detects the brake pedal status. | |
| Stop lamp switch | |||
| 12V battery | Battery voltage | Turn ON the HPCM operating power. | |
| ABS actuator and electric unit (control unit) | CAN communication | Decel G sensor signal | Receives the longitudinal G acting on the vehicle. |
| Wheel speed signal | Receives the wheel speeds from the front, rear, left, and right wheels. | ||
| Li-ion battery controller | CAN communication | Li-ion battery state od charge signal | Receives the Li-ion battery charge condition. |
| Li-ion battery temperature signal | Receives the Li-ion battery temperature. | ||
| Discharge control electricity signal | Transmits the Li-ion battery power value which can be output. | ||
| Charge control electricity signal | Transmits the Li-ion battery power value which can be charged. | ||
| Li-ion battery voltage signal | Receives the Li-ion battery voltage. | ||
| Li-ion battery current signal | Receives the Li-ion battery current. | ||
| Combination meter | CAN communication | Vehicle speed signal | Receives the vehicle speed that is calculated by the combination meter. |
| BCM | READY signal | Detects the ignition switch condition (start). | |
| CAN communication | Door switch signal | Receives driver door open/close condition. | |
| ECM | CAN communication | Engine coolant temperature signal | Receives engine coolant temperature. |
| Intake air temperature | Receives engine intake air temperature. | ||
| Engine speed signal | Receives engine speed. | ||
| Engine torque limit signal | Receives engine output torque limit value. | ||
| Target idle speed signal | Receives the idle speed upper and lower limit values. | ||
| Engine stop request signal | Receives engine stop request. | ||
| Fuel cut-off prohibit signal | Receives the fuel cut permit/prohibit status. | ||
| Idling stop prohibit signal | Receives the idle stop (engine stop) permit/prohibit status. | ||
| Traction motor inverter | CAN communication | Motor output torque signal | Receives traction motor torque value. |
| Motor speed signal | Receives traction motor speed. | ||
| Motor torque limit signal | Receives traction motor output torque limit value. | ||
| Traction motor inverter voltage signal | Receives traction motor inverter voltage value. | ||
| TCM | CAN communication | Current gear position signal | Receives current gear position. |
| Target gear position signal | Receives target gear position. | ||
| ATF temperature signal | Receives A/T fluid temperature. | ||
| Output shaft revolution speed signal | Receives output shaft speed. | ||
| Input speed signal | Receives input shaft speed. | ||
| Clutch 2 temperature signal | Receives clutch 2 temperature. | ||
| Electrically-driven intelligent brake unit | CAN communication | Braking force signal | Receives brake control force. |
| Cooperative regenerative practicable torque signal | Receives the torque value that permits regenerative braking. | ||
| Cooperative regenerative torque signal | Receives regenerative braking torque value. | ||
| Accelerator start assist operation signal | Receives the accelerator start assist system operating status. | ||
| A/C auto amp. | CAN communication | Engine ON request signal | Receives engine start request. |
OUTPUT SIGNAL ITEM
| Receiving sensor/unit | Signal name | Description | |
|---|---|---|---|
| ECM | CAN communication | Target engine torque signal | Transmits the signal and generates the required engine output torque. |
| Engine stop permit signal | Transmits the signal and stops the engine. | ||
| Traction motor inverter | CAN communication | Drive command signal | Transmits the signal and controls the traction motor output. |
| TCM | CAN communication | Clutch operation signal | Transmits the signal and operates clutch 1 and 2. |
| Sub electric oil pump start up request signal. Target cooperative regenerative torque signal | Transmits the signal and operates the sub electric oil pump. | ||
| Electrically-driven intelligent brake unit | CAN communication | Target cooperative regenerative torque signal | Transmits the signal and generates the required regenerative braking torque. |
| A/C auto amp. | CAN communication | A/C cut-off request signal | Transmits the signal and stops operation of the electric compressor. |
| Combination meter | CAN communication | READY to drive indicator lamp signal | Transmits the signal and activates the indicator lamp. |
| EV indicator lamp signal | |||
| Assist charge signal | Transmits the signal and activates the assist charge gauge. | ||
| Energy monitor signal | Transmits the signal and displays the status on the information display. | ||
| Li-ion battery state of charge signal | |||
| Acceleration guide signal | |||
| AV control unit | CAN communication | Energy monitor signal | Transmits the signal and displays the status on the navigation display. |