Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
CAN Communication Check
2006 Infiniti FX35 AWDSECTION CAN Communication Check
- CHECK MONITOR DESCRIPTION
- Start self-diagnosis of DCU. Refer to "SELF-DIAGNOSIS MODE (DCU) ".
- Select "CAN DIAG SUPPORT MONITOR". Refer to
"CAN DIAG SUPPORT MONITOR ".ITEM ERROR COUNTER CHART
Item content Error counter (Reference value) Normal condition Error (Example) CAN_COMM OK NG 0 - 50 CAN_CIRC_1 OK UNKWN 0 - 50 CAN_CIRC_2 OK UNKWN 0 - 50 CAN_CIRC_3 OK UNKWN 0 - 50 CAN_CIRC_4 OK UNKWN 0 - 50 CAN_CIRC_5 OK UNKWN 0 - 50 CAN_CIRC_6 OK UNKWN 0 - 50 CAN_CIRC_7 OK UNKWN 0 - 50 CAN_CIRC_8 OK UNKWN 0 - 50 CAN_CIRC_9 UNKWN UNKWN 0 - 50 - Record each item display description (OK/NG/UNKWN) displayed on the following CAN DIAG SUPPORT MONITOR Check Sheet.
CAN DIAG SUPPORT MONITOR Check Sheet
CAN DIAG SUPPORT MONITOR CHECK SHEETDiagnosis item Screen display Diagnosis item Screen display CAN_COMM OK NG CAN_CIRC_5 OK UNKWN CAN_CIRC_1 OK UNKWN CAN_CIRC_6 OK UNKWN CAN_CIRC_2 OK UNKWN CAN_CIRC_7 OK UNKWN CAN_CIRC_3 OK UNKWN CAN_CIRC_8 OK UNKWN CAN_CIRC_4 OK UNKWN CAN_CIRC_9 OK UNKWN
- : After filling in CAN DIAG SUPPORT MONITOR Check Sheet, GO TO "PRECAUTIONS WHEN USING CONSULT-II ".
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.