Idle Speed/Ignition Timing/Idle Mixture Ratio Inspection
EF & EC-227flowchartGA16DE engine. Final idle speed check: M/T 750 ± 50 rpm, A/T 800 ± 50 rpm (in "N" position).
Checking and Adjusting Idle RPM and Ignition Timing (Cont'd)
1
(J)
2
Check idle speed. CONSULT: Read idle speed in "DATA MONITOR" mode with CONSULT. OR (without CONSULT): Check idle speed. M/T: 750 ± 50 rpm; A/T: 800 ± 50 rpm (in "N" position)
O.K.
END
N.G.
3
Check A.A.C. valve and replace if necessary.
4
Check A.A.C. valve harness and repair if necessary.
5
Check E.C.U. function* by substituting another known good E.C.U.
END
NOTE
* E.C.U. may be the cause of a problem, but this is rarely the case.