Fuel system diagnosis

Schematic and routing diagramDTC “c62” (p0443): evap system purge
control solenoid valve circuit malfunction
(e-33 only)
Detected condition and possible cause
Detected condition
Possible cause
Evap system purge control valve voltage is not input to
ecm.
Evap system purge control valve circuit open or short.
Evap system purge control valve malfunction.
Ecm malfunction. ...
DTC “c46” (p1657-h/l or p1658): excv
actuator circuit malfunction
Detected condition
Possible cause
C46
The operation signal does not reach the
excv actuator.
Excva position sensor voltage low or
high
0.14 V ≤ Sensor voltage < 4.9 V
(without the above range)
excva can not operate properly.
Excva ...
Fuel injector inspection and cleaning
Inspect the fuel injector in the following procedures:
remove the fuel injector. Refer to “throttle body disassembly and
assembly” in section 1d .
Check the fuel injector for evidence of dirt and
contamination. If present, clean and check for
presence of dirt in the fuel lin ...