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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 999 (Heater & Air Conditioning Control System) >> With Monochrome Display >> Component Diagnosis >> U1000 Can Comm Circuit >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT-III
  1. Turn ignition switch ON and wait for 2 or more seconds.
  2. Using CONSULT-III, perform "SELF-DIAGNOSIS RESULTS" of HVAC.

Is "CAN COMM CIRCUIT" displayed? 

YES: Perform trouble diagnosis for the CAN communication system. Refer to "TROUBLE DIAGNOSIS FLOW CHART ".

NO: Perform the intermittent malfunction diagnosis. Refer to "INTERMITTENT INCIDENT ".

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