DTC Inspection
NOTE:
Because the ion sensor is integrated in the ignition coil, replacing the ion sensor includes replacement of the ignition coil/ion sensor.
1. Connect the M-MDS to the DLC-2.

2. Perform the DTC inspection using the M-MDS..
If any DTC related to the ignition coil/ion sensor is present, repair the malfunctioning location according to the applicable DTC troubleshooting..
Visual Inspection
NOTE:
Because the ion sensor is integrated in the ignition coil, replacing the ion sensor includes replacement of the ignition coil/ion sensor.
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the plug hole plate..
4. Remove the ignition coil/ion sensor..
5. Verify that there is no damage to the ignition coil/ion sensor, and no corrosion and damage to the connector.
If there is a malfunction, replace the ignition coil/ion sensor..
Front Seat Belt Removal/Installation [Two Step Deployment Control System]
Neutral Switch Inspection [Mzr 2.0, Mzr 2.5]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
...
Seat Belt Warning Beep
If the driver's seat belt is not fastened
when the ignition is switched ON, a beep
sound will be heard for about 6 seconds. If
the driver or the front passenger's seat belt
is not fastened and the vehicle is driven
at a speed faster than about 20 km/h (12
mph), a beep sound will be heard again ...
Sunlight/Temperature Sensor
The climate control system measures
inside and outside temperatures, and
sunlight. It then sets temperatures inside
the passenger compartment accordingly.
CAUTION
Do not obstruct either sensor,
otherwise the climate control system
will not operate properly.
...