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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSINFINITI2002I35 V6-3.5L (VQ35DE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSINFORMATION BUSTESTING AND INSPECTIONCAN SYSTEM (FOR TCS MODELS)CIRCUIT CHECKSINSPECTION
2002 Infiniti I35 V6-3.5L (VQ35DE)
Inspection
2002 Infiniti I35 V6-3.5L (VQ35DE)SECTION Inspection
CAN Communication / For TCS Models
Proceed trouble diagnosis according to the check sheet results (example).
Case 1: Replace ECM.
Case 2: Replace ABS/TCS control unit.
Case 3: Replace TCM.
Case 4: Check ECM Circuit. Refer to "ECM CIRCUIT CHECK".
...ECM Circuit Check
Case 5: Check ABS/TCS control unit Circuit. Refer to "ABS/TCS CONTROL UNIT CIRCUIT CHECK".
...ABS/TCS Control Unit Circuit Check
Case 6: Check TCM Circuit. Refer to "TCM CIRCUIT CHECK".
...TCM Circuit Check
Case 7: Check CAN communication Circuit. Refer to "CAN COMMUNICATION CIRCUIT CHECK".
...CAN Communication Circuit Check
Check Sheet Results (Example) / For TCS Models:
Proceed trouble diagnosis according to the check sheet results (example).
Case 1: Replace ECM.
Case 2: Replace ABS/TCS control unit.
Case 3: Replace TCM.
Case 4: Check ECM Circuit. Refer to "ECM CIRCUIT CHECK".
...ECM Circuit Check
Case 5: Check ABS/TCS control unit Circuit. Refer to "ABS/TCS CONTROL UNIT CIRCUIT CHECK".
...ABS/TCS Control Unit Circuit Check
Case 6: Check TCM Circuit. Refer to "TCM CIRCUIT CHECK".
...TCM Circuit Check
Case 7: Check CAN communication Circuit. Refer to "CAN COMMUNICATION CIRCUIT CHECK".
...CAN Communication Circuit Check
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.