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Home >> Infiniti >> 2020 >> QX50 Essential, 4WD >> Repair and Diagnosis >> Electrical >> Body Electrical >> Power Control System (IPDM E/R) >> System Description >> System >> Fail-Safe >> Can Communication Control

Can Communication Control

When Can Communication With ECM And BCM Is Interrupted, Ipdm E/R Performs Fail-Safe Control.

If No Can Communication Is Available With ECM 

Control Part

Fail-Safe Operation

Cooling Fan

  • The Cooling Fan Is Operated At Hi Speed When The Ignition Switch Is Turned On.
  • Cooling Fan Operation Is Turned 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

Headlamp

  • Turns On The Headlamp (Lo) When The Ignition Switch Is Turned On.
  • Turns Off The Headlamp (Lo) When The Ignition Switch Is Turned Off.
  • Headlamp (Hi): Off
  • Parking Lamp
  • Side Marker Lamp
  • License Plate Lamp
  • Tail Lamp
  • Illumination
  • Turns On The Tail Lamp, Parking Lamp, Side Marker Lamp, License Plate Lamp And Each Illumination When The Ignition Switch Is Turned On.
  • Turns Off The Tail Lamp, Parking Lamp, Side Marker Lamp, License Plate Lamp And Each Illumination When The Ignition Switch Is Turned Off.

Front Wiper

  • 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.

Daytime Running Light

Daytime Running Light: Off

Front Fog Lamp

Front Fog Lamp: Off

Ignition Relay-1

The Status Just Before Activation Of Fail-Safe Is Maintained.

Starter Motor

Starter Relay: Off