Toyota Corolla (E120): Refrigerant
Other materials:
Purpose of the readiness tests
The on–board diagnostic (obd ii) system is designed to monitor the
performance of emission–related
components and report any detected abnormalities in the form of diagnostic
trouble codes
(dtcs). Since the various components need to be monitored during different
driving condition ...
Circuit description
The vapor pressure sensor, vsv for canister closed valve (ccv), vsv for
pressure switching valve are used
to detect abnormalities in the evaporative emission control system.
The ecm decides whether there is an abnormality in the evaporative emission
control system based on the
vapor pressur ...
Terminals of ecu
Oscilloscope wave (*1)
Hint:
terminal: od – gnd
gauge set: 5 v / div, 50 ms / div
condition: during cruise control driving o/d switch on.
...