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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (Exterior Lighting System - Led Headlamp) >> System Description >> System >> Headlamp System >> Fail-safe >> Can Communication Control

Can Communication Control

WARNING: This page is about a different car, the 2018 Nissan Maxima. 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 low relay when the ignition switch is turned ON
  • Turns OFF the headlamp low relay when the ignition switch is turned OFF
  • Headlamp high relay OFF