Daihatsu F300 Service Manual page 1390

EFISYSTEM
(Coni' d)
•
[ Check POWer steering idle-up system.
ACV
ACV hose
I
Check throttle body.
I I
Air valve - Replace.
(See page
EF-101.)
I
BAD
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Throttle position sensor- Replace.
OK
I
Check fuel pump cperating sound. 1. Fuel pump relay
(See page EF-76.)
1 No 2. Fuel pump
OK
3. Wiring/connection
4. Fusible links and/or fuses
5. ECU
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Check fuel pressure.
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1. Fuel pump
(See
page EF-n.)
I
BAD
2. Fuel filter
OK
3. Fuel pressure regulator
(See page EF-92.)
•
I
Check injector operating sound.
I J
1.
Injector wiring{s) between ECU and injector
{See page
EF-97.)
I
BAD I
2 Injector
OK
I
Check injector fuel flow rate.
(See page EF-99.]
I
Injector- Injection condition/leakage
I
OK
I Check EFI electronic circuit, using volt/ohm meter.
I
1. Power to ECU
{See page EF-35.) I
(1) Fusible link
(2) Fuses
(3) Main relay
2.
Pressure sensor
3. Water temperature sensor
•
4. Intake air temperature sensor
•
EF-22