1. Disconnect the negative battery cable..
2. Remove the battery component. (ex: battery, battery tray and PCM component) (G35-MR,G66M-R).
3. Remove the aerodynamic under cover No.2. (G35-MR,G66M-R,C66M-R).
4. Disconnect the back-up light switch connector..
5. Verify that the continuity between the back-up light switch terminals is as indicated in the table.

If not as indicated in the table, replace the back-up light switch.

Rear Combination Light Removal/Installation
Back Up Light Switch Removal/Installation [A26 M R]Battery Inspection [Mzr 2.0, Mzr 2.5]
WARNING:
Since battery acid is toxic, be careful when handling the battery.
Since battery acid is highly corrosive, be careful not to allow it to contact
clothing or the vehicle.
In case battery acid contacts skin, eyes, or clothing, flush it immediately
with running wa ...
Safety Practices
The way you drive has a great deal to do with your tire mileage and safety.
So cultivate good
driving habits for your own benefit.
Observe posted speed limits and drive at speeds that are safe for
the existing weather
conditions
Avoid fast starts, stops and turns
Avoid potholes and o ...
Emission Control System
This vehicle is equipped with an emission control system (the catalytic
converter is
part of this system) that enables the vehicle to comply with existing exhaust
emissions
requirements.
WARNING
Never park over or near anything fl ammable:
Parking over or near anything fl ammable ...