Air Switching Valve (Service Code 64)
Oxygen Sensor Heater Removal/InstallationService Code Erasing
When repair has been done, warning indicator light (LED) and warning symbol
go off and service
code are not displayed.
But the service codes stored in memory of the ECU are not erased to preserve
the problem history.
In this model, the problem history can not be erased. However, the memorie ...
Subthrottle Valve Actuator Resistance Inspection
Turn the ignition switch to OFF.
Disconnect the subthrottle valve actuator connector [A].
Connect a digital meter to the subthrottle valve actuator
connector [A].
Measure the subthrottle valve actuator resistance.
Subthrottle Valve Actuator Resistance
Connections: Y/BK lead [1 ...
Valve Clearance
Valve and valve seat wear decreases
valve clearance, upsetting valve timing.
NOTICE
If valve clearance is left unadjusted,
wear will eventually
cause the valves to remain
partly open; which lowers performance,
burns the valves and
valve seats, and may cause serious
engine damage.
Valve cle ...