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Power Control System (Power Distribution System): Overview Nissan Juke I

Body Electrical ~508 words

Component Description

BCMReference
BCMSYSTEM DESCRIPTION
Ignition relaySYSTEM DESCRIPTION
Accessory relayACCESSORY RELAY
Blower relayACCESSORY RELAY
Push-button ignition switchACCESSORY RELAY
Stop lamp switchACCESSORY RELAY
Transmission range switchACCESSORY RELAY
Clutch interlock switchACCESSORY RELAY

SYSTEM DESCRIPTION

  1. PDS (POWER DISTRIBUTION SYSTEM) is the system that BCM controls with the operation of the pushbutton ignition switch and performs the power distribution to each power circuit. This system is used instead of the mechanical power supply changing mechanism with the operation of the conventional key cylinder.
  2. The push-button ignition switch can be operated when Intelligent Key is in the following condition. Refer to Engine Start Function for details. Intelligent Key is in the detection area of the inside key antenna. Intelligent Key backside is contacted to push-button ignition switch.
  3. The push-button ignition switch operation is input to BCM as a signal. BCM changes the power supply position according to the status and operates the following relays to supply power to each power circuit. Ignition relay (IPDM E/R) Ignition relay (fuse block) ACC relay Blower relay

Note. The push-button ignition switch operation changes due to the conditions of brake pedal, selector lever and vehicle speed.

  1. The power supply position can be confirmed with the lighting of ACC/ON indicator in the push-button ignition switch.

POWER SUPPLY POSITION CHANGE TABLE BY PUSH-BUTTON IGNITION SWITCH OPERATION

The power supply position changing operation can be performed with the following operations.

Note. When an Intelligent Key is within the detection area of inside key antenna and when Intelligent Key backside is contacted to push-button ignition switch, it is equivalent to the operations below. When starting the engine, the BCM monitors under the engine start conditions

CVT models

  1. Brake pedal operating condition
  2. Selector lever position
  3. Vehicle speed

M/T models

  1. Clutch pedal operating condition
  2. Vehicle speed

Vehicle speed: less than 4 km/h (2.5 MPH)

Power supply positionEngine start/stop conditionPush-button ignition switch operation frequency
CVT modelsM/T models
Selector lever positionBrake pedal operation conditionClutch pedal operation condition
OFF ACCNot depressedNot depressed1
OFF ACC ONNot depressedNot depressed2
OFF ACC ON OFFNot depressedNot depressed3
OFF START ACC START ON STARTP or N positionDepressedDepressed1
Engine is running OFF1

Vehicle speed: 4 km/h (2.5 MPH) or more

Power supply positionEngine start/stop conditionPush-button ignition switch operation frequency
CVT modelsM/T models
Selector lever positionBrake pedal operation conditionClutch pedal operation condition
Engine is running ACCEmergency stop operation
Engine stall return operation while drivingN positionNot depressedDepressed1

Emergency stop operation

  1. Press and hold the push-button ignition switch for 2 seconds or more.
  2. Press the push-button ignition switch 3 times or more within 1.5 seconds.

Description

Push-button ignition switch changes the power supply position.

BCM maintains the power supply position status.

BCM changes the power supply position with the operation of the push-button ignition switch.

Check that vehicle is under the condition shown in "Conditions of vehicle" before starting diagnosis, and check each symptom.

Note. The engine start function, door lock function, power distribution system, and NATS-IVIS/NVIS in the Intelligent Key system are closely related to each other regarding control. The vehicle security function can operate only when the door lock and power distribution system are operating normally.

Conditions of Vehicle (Operating Conditions)

  1. "ENGINE START BY I-KEY" in "WORK SUPPORT" is ON when setting on CONSULT.
  2. One or more of Intelligent Keys with registered Intelligent Key ID is in the vehicle.
  1. Before performing the diagnosis in the following table, check "Work Flow". Refer to " «WORK FLOW»(ref-516453-S01697629692012120600000) ".
  2. Check that vehicle is under the condition shown in "Conditions of vehicle" before starting diagnosis, and check each symptom.

Conditions of Vehicle (Operating Conditions)

  1. "ENGINE START BY I-KEY" in "WORK SUPPORT" is ON when setting on CONSULT.
  2. One or more of Intelligent Keys with registered Intelligent Key ID is in the vehicle.

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