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DTC U1000: Can Comm Circuit

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.
Details of error indication detected by CONSULT-III Conditions of error detection Fail-safe
  1. Swivel operation
  2. Auto aiming operation
  3. AFS OFF indicator operation
  4. Cancellation
CAN COMM CIRCUIT [U1000] CAN communication system.
  1. Stop the swivel motor RH and LH when the malfunction occurred.
  2. Stop the aiming motors when the malfunction occurred.
  3. Flash at intervals of approx. 1 second when keeping error state for 2 seconds or longer.
  4. Turn ignition switch OFF.