S02607
S02608
A02271
SST
180
˚
Idle Mixture Adjusting Screw
--
DIAGNOSTICS
ENGINE (2RZ--FE, 3RZ--FE)
DI--185
2 Adjust CO concentration.
PREPARATION:
Same condition as step 1 of this chart.
CHE CK:
Using SST, adjust the idle mixture by turning the idle mixture ad-
justing screw in the variable resistor.
RESULT:
OK
Concentration: 1.5
±
0.5%
NG type I
Change in CO concentration
NG type II
No change in CO concentration
HINT:
Always check idle speed after turning the idle mixture adjusting
screw. If it is incorrect, readjust idle speed.
Adjustable range of the idle mixture adjust to turn this screw is
180 degrees. Do not turn this screw more than it.
NG
Type I
S e e pa ge E M -- 3 a nd go on troubl e s hooti ng
NG
Type II
OK
Adjustment is complete.
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Pages From Supplement
3RZ-F,3RZ-FE