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Home >> Infiniti >> 2018 >> Q50 Pure, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Exterior Lighting System) >> System Description >> System >> Headlamp System >> Fail-safe >> Can Communication Control

Can Communication Control

WARNING: This page is about a different car, the 2019 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

When CAN communication with 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 BCM 

Control part

Fail-safe operation

Headlamp

  • Turns ON the headlamp relay when the ignition switch is turned ON
  • Turns OFF the headlamp relay when the ignition switch is turned OFF
  • Turns OFF the FET