Daihatsu F300 Service Manual page 1394

EFISYSTEM
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Symptom ... Afterfire (Rich mixture- Misfire)
•
Check diagnosis system.
J
Perform trouble shooting according to diagnosis
Check output of malfunction code.
Malfunc--
I
system
(See page EF-29.)
tion code
Normal code
Check idle speed.
Idle speed - Reset.
(See
page
EM 23.)
BAD
OK
Check throttle position sensor.
I
Throttle position sensor
(See page
EF~1)
BAD
I
Throttle position sensor circuit
OK
Check ignition timing.
I I
1. Ignition timing - Reset.
(See page IG-29.)
J
BAD
I 2. Distributor- Timing advance characteristics
•
OK
Check ignition spark.
I
1. Spark Plug wire
(See page IG-28.)
BAD
2. Distributor/ignitor
3.
Ignition coil
OK
Checking spark plugs
Spark plugs
I
(See page IG-12.}
BAD
I
1. lnjector(s)- shorted or leaking
BAD
I
2.
Injector wiring(s) between ECU and injectors.
OK
Check fuel pressure.
I
1. Fuel pump
(See page EF-77.)
I
All
spark
2.
Fuel filter
OK
plug
3. Fuel pressure regulator
•
are wet.
I
Check injector fuel flow rate.
Injector- Injection condition/leakage
(See page EF-78.)
BAD
OK
CheckER electronic circuit, using volt/ohm meter.
I
1.
Power to ECU
IS.. page EF-35.)
I
BAD
(1) Fusible link
(2) Fuses
(3) Main relay
2.
Pressure sensor
3.
Water temperature sensor
4.
Intake air temperature sensor
•
EF-26