1. Disconnect the negative battery cable..
2. Remove the plug hole plate..
3. Remove the intake manifold..
4. Disconnect the KS connector.
5. Remove the KS..

6. Install in the reverse order of removal.
KS Installation Note
Verify that there is no foreign matter caught between the KS unit and cylinder block.
The direction of the KS connector is within the 90-degree angle range shown in the figure.

Knock Sensor (Ks) Inspection
Knock Sensor (Ks)Child Restraint Precautions
Mazda strongly urges the use of child-restraint systems for children small enough
to use them.
You are required by law to use a child-restraint system for children in the U.S.
and Canada.
Check your local and state or provincial laws for specific requirements regarding
the safety of children ...
Front Door Speaker Inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Inner garnish.
b. Front door trim.
3. Disconnect the front door speaker connector..
4. Verify that the resistance and continuity between the front door speaker terminals
is as indicated in the table.
...
Front Seat Belt Removal/Installation
WARNING:
Handling the front seat belt (pre-tensioner seat belt) improperly can accidentally
deploy the pre-tensioner seat belt, which may seriously injure you. Read the
air bag system service warnings and cautions before handling the front seat
belt.
(See AIR BAG SYSTEM SERVICE W ...