Knock Sensor (KS) Removal/Installation

WARNING: This page is about a different car, the 2011 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [13B-MSP] .)
Disconnect the negative battery cable.
Disconnect the KS connector.
Remove the KS.
Install in the reverse order of removal.

Fig 1: LS Connector Screws With Torque Specifications

Courtesy of MAZDA MOTORS CORP.