Titan 4WD V8-5.6L (VK56DE) Flex Fuel (2009)
NOTE:
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For some models, CAN communication diagnosis result is received from the vehicle monitor. (CONSULT-III is not available.)
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Refer to See: CAN Fundamental/Trouble Diagnosis for the details.
Condition Of Error Detection
TROUBLE DIAGNOSIS
Condition of Error Detection
"U1000" or "U1001" is indicated on SELF-DIAG RESULTS on CONSULT-III if CAN communication signal is not transmitted or received between
units for 2 seconds or more.
CAN COMMUNICATION SYSTEM ERROR
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CAN communication line open (CAN-H, CAN-L, or both)
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CAN communication line short (ground, between CAN communication lines, other harnesses)
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Error of CAN communication control circuit of the unit connected to CAN communication line
WHEN "U1000" OR "U1001" IS INDICATED EVEN THOUGH CAN COMMUNICATION SYSTEM IS NORMAL
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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 detected.)
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Fuse blown out (removed): CAN communication of the unit may cease.
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Voltage drop: Error may be detected if voltage drops due to discharged battery when turning the ignition switch ON (Depending on the control
unit which carries out CAN communication).
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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).
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Error may be detected if reprogramming is not completed normally.
NOTE:
CAN communication system is normal if "U1000" or "U1001" is indicated on SELF-DIAG RESULTS of CONSULT-III under the above conditions.
Erase the memory of the self-diagnosis of each unit.
Self-Diagnosis
TROUBLE DIAGNOSIS
Self-Diagnosis