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LAN-10 < FUNCTION DIAGNOSIS > [CAN FUNDAMENTAL] TROUBLE DIAGNOSIS TROUBLE DIAGNOSIS Condition of Error Detection INFOID:0000000003387568 “U1000” or “U1001” is indicated on SELF-DIAG RESULTS on CONSULT-III if CAN communication signal is CAN COMMUNICATION SYSTEM ERROR • CAN communication line open (CAN-H, CAN-L, or both) WHEN “U1000” OR “U1001” IS INDICATED EVEN THOUGH CAN COMMUNICATION SYSTEM IS • Removal/installation of parts: Error may be detected when removing and installing CAN communication unit and related parts while turning the ignition switch ON. (A DTC except for CAN communication may be • Fuse blown out (removed): CAN communication of the unit may cease. switch ON (Depending on the control unit which carries out CAN communication). • Error may be detected if the power supply circuit of the control unit, which carries out CAN communication, malfunctions (Depending on the control unit which carries out CAN communication). • Error may be detected if reprogramming is not completed normally. Symptom When Error Occurs in CAN Communication System INFOID:0000000003387569 In CAN communication system, multiple units mutually transmit and receive signals. Each unit cannot transmit ERROR EXAMPLE NOTE: for the unit abbreviation. Example: TCM branch line open circuit SKIB8738E Unit name Symptom ECM Engine torque limiting is affected, and shift harshness increases. BCM Reverse warning chime does not sound. Revision: 2008 October 2009 Murano |