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.
2007 Lexus LS 460LFACTORY OEM SERVICE PROCEDURE
18. Check ECM Function
WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- Substitute another known-good ECM to check ECM function. (ECM may be the cause of an incident, but this is the rarely the case.)
- Perform initialization of NVIS (NATS) system and registration of NVIS (NATS) ignition key IDs. Refer to NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM NATS
.
- GO TO 4 .
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.