Removal

1NZ-FXE ENGINE CONTROL SYSTEM: KNOCK SENSOR:

REMOVAL

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

2. REMOVE RADIATOR SUPPORT OPENING COVER (Removal)

3. REMOVE ENGINE UNDER COVER LH
4. DRAIN ENGINE COOLANT (Testing and Inspection)

5. REMOVE AIR CLEANER ASSEMBLY (Removal)





6. REMOVE OIL DIPSTICK GUIDE
(a) Remove the dipstick.
(b) Disconnect the wire harness clamp.
(c) Remove the bolt and dipstick guide.
7. REMOVE INTAKE MANIFOLD SUB-ASSEMBLY





(a) Disconnect the ventilation hose from the throttle with motor body.
(b) Disconnect the No. 2 ventilation hose.
(c) Disconnect the No. 1 fuel vapor feed hose.





(d) Disconnect the water by-pass hose.
(e) Disconnect the No. 2 water by-pass hose.





(f) Disconnect the throttle control motor connector.
(g) Disconnect the throttle position sensor connector.





(h) Disconnect the 3 wire harness clamps.
(i) Disconnect the connector clamp.
(j) Remove the bolt and harness clamp bracket.





(k) Remove the No. 1 fuel vapor feed hose from the hose clamp.
(l) Remove the 3 bolts, 2 nuts and intake manifold.





(m) Remove the gasket from the cylinder head.





8. REMOVE KNOCK SENSOR
(a) Disconnect the knock sensor connector.
(b) Remove the nut and sensor.