Knock Sensor: Service and Repair

Knock Sensor Replacement

Removal Procedure




1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (LAT) (Service and Repair)Battery Negative Cable Disconnection and Connection (LZ4, LY7, and LE5) (Service and Repair).
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
3. Disconnect the engine wiring harness electrical connector (1) from the knock sensor pigtail electrical connector (6).
4. Remove the knock sensor electrical connector pigtail (6) clip from the oil level indicator tube bracket.




5. Remove the knock sensor bolt.
6. Remove the knock sensor.

Installation Procedure

Note: Rotate the pigtail 90 degrees from vertical before securing the fastener.




1. Install the knock sensor.

Caution: Refer to Fastener Caution (Fastener Caution).

2. Install the knock sensor bolt and tighten to 25 Nm (18 lb ft).




3. Install the knock sensor electrical connector pigtail (6) clip to the oil level indicator tube bracket.
4. Connect the engine wiring harness electrical connector (1) to the knock sensor pigtail electrical connector (6).
5. Lower the vehicle.
6. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (LAT) (Service and Repair)Battery Negative Cable Disconnection and Connection (LZ4, LY7, and LE5) (Service and Repair).