Periodic maintenance
Rear lower link & coil springP0420, P0430 three way catalyst function
DTC Logic
DTC DETECTION LOGIC
The ECM monitors the switching frequency ratio of air fuel ratio (A/F)
sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen sto ...
Diagnosis sensor unit
Removal and Installation
WARNING:
Before servicing, turn ignition switch OFF, disconnect both
battery terminals and wait at least 3 minutes.
Before disconnecting the air bag sensor unit harness
connector, be sure to disconnect the harness connector of each air bag
module and pre-tens ...
Camshaft Valve Clearance
Valve Clearance
CHECKING
NOTE:
Perform inspection as follows after removal, installation or
replacement of camshaft or valve related parts, or if there are unusual
engine conditions regarding valve clearance.
Check valve clearance while engine is cold and not running.
Remove th ...