Heated oxygen sensor (ho2s) removal and
installation
Removal
Do not
remove the ho2 sensor while it is hot.
Caution
be careful not to expose the ho2 sensor to
excessive shock.
Do not use an impact wrench when
removing or installing the ho2 sensor.
Be careful not to twist or damage t ...
Engine top side assembly
Assemble the engine top side in the reverse order of
disassembly. Pay attention to the following points:
Cylinder head
Install the dowel pins and a new cylinder head gasket
(1) to the cylinder.
Caution
use a new gasket to prevent gas leakage.
Place the cylinder head ...
Exhaust control system operation
The excs is operated by the signal supplied from the ecm. The open/close
operation of the excv is performed by
the excva which is controlled by the ecm by changing the current direction of
the actuator motor. The position
sensor (incorporated in the excva) detects the excva movement by measuri ...