DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE
(DIAGNOSTICS)
AR:DTC PO420
-
CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD
-
DTC DETECTING CONDITION:
TROUBLE SYMPTOM:
Two
consecutive driving cycles
with
fault
Engine stalls.
Idle mixture is
out
of
specifications.
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(D0HC TURBO)-
49, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(D0HC TURBO)-46, Inspec-
tion Mode.>.
WIRING DIAGRAM:
T
i
8:
0
8135
C
:o
8136
D:
0
8137
ECM
I
43
F
1
I
.
EN1151
EN(D0HC TURBO)-I96
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