Nissan Juke Service and Repair Manual : Starter motor drive control

Starter motor drive control : System Diagram

Starter motor drive control : System


Starter motor drive control : System DescriptionINPUT/OUTPUT SIGNAL CHART

INPUT/OUTPUT SIGNAL CHART

*: With Intelligent Key system


*: With Intelligent Key system SYSTEM DESCRIPTION

When rapid deceleration occurs during engine runs or idle speed decreases due to heavy load conditions, ECM detects a decrease in idle speed and restarts the engine to secure reliability in handleability by transmitting a cranking request signal to IPDM E/R for activating the starter motor under the following conditions:
• Selector lever: P or any position other than N • Idle switch: ON (Accelerator pedal not depressed) • Brake switch: ON (Brake pedal depressed)

Models with no Intelligent Key System transmit a control signal directly to IPDM E/R. On the other hand, models with the Intelligent Key System transmit a control signal to IPDM E/R by way of BCM via CAN communication.

IPDM E/R detects an operating state of the starter motor relay and the starter motor control relay and transmits a feed back signal to ECM via CAN Communication.

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