Knock Sensor: Service and Repair

REMOVAL
1. DISCONNECT NEGATIVE TERMINAL CABLE FROM BATTERY.

CAUTION: DO NOT begin work for at least 90 seconds after the ignition switch is turned to the LOCK position and the negative (-) terminal cable is disconnected from the battery.

2. DRAIN ENGINE COOLANT.
3. REMOVE THROTTLE BODY.
(a) Disconnect the following hose, cables and connectors from the throttle body:



(1) Air hose
(2) Accelerator cable
(3) Cruise control actuator cable
(4) Throttle position sensor connector
(5) Sub-throttle position sensor connector
(6) Sub-throttle actuator connector




(b) Remove the 2 bolts and 2 nuts, and disconnect the throttle body from the air intake chamber.
(c) Remove the gasket.
(d) Disconnect the following hoses from the throttle body, and remove the throttle body:



(1) EVAP hose
(2) Water bypass hose (from No. 4 water bypass pipe)
(3) Water bypass hose (from cylinder head)
(4) PS air hose




4. REMOVE STARTER.
5. REMOVE KNOCK SENSORS.
(a) Disconnect the knock sensor connector.



(b) Using special service tool (SST# 09816-30010), remove the knock sensor.


INSTALLATION
1. REINSTALL KNOCK SENSORS.



(a) Using special service tool (SST# 09816-30010), install the knock sensor.

Torque: 44 Nm (33 ft.lb)

(b) Connect the knock sensor connector.




2. REINSTALL STARTER.
3. REINSTALL THROTTLE BODY.
(a) Connect the following hoses to the throttle body:



(1) EVAP hose
(2) Water bypass hose (from No. 4 water bypass pipe)
(3) Water bypass hose (from cylinder head)
(4) PS air hose
(b) Install a new gasket to the air intake chamber.



(c) Install the throttle body with the 2 bolts and 2 nuts.

Torque: 21 Nm (15 ft.lb)

(d) Connect the following hose, cables and connectors to the throttle body:



(1) Air hose
(2) Accelerator cable
(3) Cruise control actuator cable
(4) Throttle position sensor connector
(5) Sub-throttle position sensor connector
(6) Sub-throttle actuator connector

4. REFILL WITH ENGINE COOLANT.
5. CONNECT NEGATIVE TERMINAL CABLE TO BATTERY.