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]Crankshaft Position (CKP) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
Removal
CAUTION:
When foreign material such as an iron chip is on the CKP sensor, it can cause
abnormal output from the sensor because of flux turbulence and adversely affect
the engine control. Be sure there is no foreign material on the CKP sensor when
replacing.
Do not a ...
Battery Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
1
Battery cover
(See Battery Cover Removal Note.)
(See Battery Cover Installation Note.)
2
Negative battery cable
3
...
Locking Lug Nuts
If your vehicle has Mazda optional
antitheft wheel lug nuts, one on each
wheel will lock the tires and you must
use a special key to unlock them. This
key will attach to the lug wrench.
Register them with the lock manufacturer
by filling out the card provided in the
glove compartment and ma ...