Diagnostic Procedure 6 — Hard to Start or Impossible to Start under Normal Conditions (Cont'd)
EF & EC-264flowchartApplies to GA16DE engine (header tag).
Diagnostic Procedure 6 — Hard to Start or Impossible to Start under Normal Conditions (Cont'd)
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(A) — continued from previous page
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6: CHECK SPARK PLUGS. Remove the spark plugs and check for fouling, etc.
N.G.
Repair or replace spark plug(s).
O.K.
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7: CHECK E.C.U. HARNESS CONNECTOR. Check the E.C.U. pin terminals for damage or poor connection of E.C.U. harness connector.
N.G.
Repair or replace.
O.K.
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8: CHECK E.C.U. POWER SUPPLY AND GROUND CIRCUIT. Refer to page EF & EC-286.
N.G.
same as step 3
O.K.
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9: TRY A KNOWN GOOD E.C.U.*
Trouble is not fixed.
INSPECTION END
Trouble is fixed.
Replace E.C.U.
NOTE
*: E.C.U. may be the cause of a problem, but this is rarely the case.