Daihatsu F300 Service Manual page 1389

EFISYSTEM
• [1J Symptom .... Engine idle speed too low and/or rough idling
Checking diagnosis system
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Perform trouble shooting according to diagnosis
Check output of malfunction code.
Malfunc-
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codes.
(See page EF-29.)
tion code
Normal code
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I
Check idle speed for improper adjustment.
Idle speed Adjust
(See page
EM-23.)
BAD
OK
Check ignition timing.
1.
Ignition timing - Adjust
(See page IG-29.)
BAD
2.
Distributor timing advance characteristics
OK
-Check
•
Check PCV hose for restriction.
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Repair or replace
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(See page EC-16.)
BAD
OK
Checking ignition spark
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1. Spark plug wire
(See page IG-28.)
BAD
2. Distributor/ignitor
OK
3.
Ignition coil
Checking spark plugs
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Spark plugs
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(See page lG-12.)
BAD
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1.
lnjector(s)- shorted or leaking
All
spark
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2. Injector wiring(s) between ECU and injectors
OK plug
are wet.
Checking compression pressure
1 .
Valve clearances (hot)
(See page EM-29.)
BAD
(See page EM-16.)
OK
2. Piston rings, cylinder bores and pistons worn
3. Gasket blown out
•
4.
Valves malfunctioning
5. Poor valve seating
To be continued
•
EF-21