Daihatsu F300 Service Manual page 1385

EFISYSTEM
• III
Symptom .... Engine often stalls.
Check diagnosis system.
I
Perform trouble shooting according to diagnosis
Check output of malfunction code.
M;;tlfunc·
codes.
(See page EF--29.)
tion code
Normal code
I I
Check idle speed.
Idle speed Adjust.
{See page EM-23.)
BAD
OK
Check ignition ftming.
Ignition timing- Adjust.
(See page JG-29.)
BAD
OK
•
Checking ignition sparK
I
1. Spark plug wire
(See page JG-28.)
I BAD
2. Distributor/ignitor
OK
3. Ignition coil
Checking spark plugs
BAD
I
Spark plugs
I
(See page IG-12.)
I
1. lnjector(s)- shorted or leaking
All
spark
I
2.
Injector wiring(s) between ECU and injectors
OK
plug
are
wet.
Check fuel pressure.
I
1.
Fuel pump
(See page
EF-77.)
BAD
2. Fuel fitter
OK
3. Fuel pressure regulator
(See page EF-77.)
•
Check fuel
flow
rate.
I
I
1 . Fuel pump
I
(See page EF-78.)
I
BAD
2. Fuel filter
OK
Check injector operating sound.
I I
1. Injector wiring:s) Between ECU and injectors
(See page EF-97.)
BAD
2. Injector
OK
Check injectors fuel flow rate.
I
Injector -Injection condition/leakage
I
{See page EF-99.)
BAD
OK
Check EFI electronic circuit. using volt/ohm meter. 1. Power to ECU
(See page EF-35.)
BAD
(1) Fusible link
(2) Fuses
(3) Main relay
2.
Water temperature sensor
3 . Intake air temperature sensor
•
WFaso-EFK041
EF-17