Nissan Rogue manuals

Nissan Rogue Service Manual: System description

COMPONENT PARTS

Component Parts Location

Component Parts Location

  1. IPDM E/R
  2.  Engine compartment (LH)

SYSTEM

RELAY CONTROL SYSTEM

RELAY CONTROL SYSTEM : System Description

SYSTEM DIAGRAM

System diagram

DESCRIPTION

IPDM E/R activates the internal control circuit to perform the relay ON-OFF control according to the input signals from various sensors and the request signals received from control units via CAN communication.

CAUTION: IPDM E/R integrated relays cannot be removed.

Description

Description

RELAY CONTROL SYSTEM : Fail-safe

CAN COMMUNICATION CONTROL

When CAN communication with ECM and BCM is impossible, IPDM E/R performs fail-safe control. After CAN communication recovers normally, it also returns to normal control.

If No CAN Communication Is Available With ECM

Control part

Fail-safe operation

Cooling fan
  • The cooling fan relay-1 turn ON when the ignition switch is turned ON (Cooling fan HI operation)
  •  The cooling fan relay-1 turn OFF when the ignition switch is turned OFF
A/C compressor A/C relay OFF

If No CAN Communication Is Available With BCM

Control part

Fail-safe operation

Front wiper motor
  • The status just before activation of fail-safe control is maintained until the ignition switch is turned OFF while the front wiper is operating at LO or HI speed.
  •  The wiper is operated at LO speed until the ignition switch is turned OFF if the fail-safe control is activated while the front wiper is set in the INT mode and the front wiper motor is operating.
  •  Returns automatically wiper to stop position when ignition switch is turned ON if fail-safe control is activated while front wiper motor is operated and wiper stop in the other position than stop position.
Horn Horn OFF
Ignition relay-1 The status just before activation of fail-safe is maintained.
Starter motor Starter relay OFF

IGNITION RELAY MALFUNCTION DETECTION FUNCTION

Ignition relay malfunction detection function

FRONT WIPER CONTROL

IPDM E/R detects front wiper stop position by a front wiper auto stop signal.

When a front wiper auto stop signal is in the conditions listed below, IPDM E/R stops power supply to wiper after repeating a front wiper 10 second activation and 20 second stop five times.

 

NOTE: This operation status can be confirmed on the IPDM E/R “Data Monitor” that displays “BLOCK” for the item “WIP PROT” while the wiper is stopped.

STARTER MOTOR PROTECTION FUNCTION

IPDM E/R turns OFF the starter relay to protect the starter motor when the starter relay remains active for 90 seconds.

SMART FIELD-EFFECT TRANSISTOR (FET)

SMART FIELD-EFFECT TRANSISTOR (FET) : System Description

System Description

A smart Field-Effect Transistor (FET) is a transistor used to monitor and control current flow on module outputs.

The IPDM E/R uses a smart FET protection strategy to prevent module damage in the event of excessive current flow. The smart FET protection strategy monitors its outputs for excessive current, and when a fault occurs, shuts down the output and records a DTC.

POWER CONSUMPTION CONTROL SYSTEM

POWER CONSUMPTION CONTROL SYSTEM : System Description

SYSTEM DIAGRAM

System diagram

DESCRIPTION

Outline

Normal mode (wake-up)

Low power consumption mode (sleep)

Sleep Mode Activation

Wake-up Operation

DIAGNOSIS SYSTEM (IPDM E/R)

CONSULT Function (IPDM E/R)

APPLICATION ITEM

CONSULT performs the following functions via CAN communication with IPDM E/R.

Application item

ECU IDENTIFICATION

The IPDM E/R part number is displayed.

SELF DIAGNOSTIC RESULT

Refer to PCS-20, "DTC Index".

DATA MONITOR

Data monitor

Data monitor

v

ACTIVE TEST

Active test

CAN DIAG SUPPORT MNTR

Refer to LAN-14, "CAN Diagnostic Support Monitor".

Precaution
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ECU diagnosis information
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