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If the check result is OK, perform the following step.
4) Let engine idle at least 5 minutes.
5) Maintain the following condition at least 50 consecutive sec-
onds.
B/FUEL SCHDL 3 msec or more
ENG SPEED 1,800 - 3,000 rpm
Selector lever Suitable position
VHCL SPEED SE More than 70 km/h (43 MPH)
During this test, P0130 and/or P0150 may be displayed on
CONSULT-II screen.
6) If DTC is detected, go to “Diagnostic Procedure”, EC-477.
SEF308XB
Overall Function Check
NHEC0284
Use this procedure to check the overall function of the closed loop
control. During this check, a DTC might not be confirmed.
WITH GST
NHEC0284S01
1) Start engine and warm it up to normal operating temperature.
2) Set voltmeter probes between ECM terminal 63 [HO2S1 (B1)
signal] or 62 [HO2S1 (B2) signal] and engine ground.
3) Check the following with engine speed held at 2,000 rpm con-
stant under no-load.
I The voltage should go above 0.70V at least once.
I The voltage should go below 0.21V at least once.
4) If NG, go to “Diagnostic Procedure”, EC-477.
Diagnostic Procedure
NHEC0285
Perform trouble diagnosis for “DTC P0133, P0153”, EC-218.
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1148 (BANK 1), P1168 (BANK 2) CLOSED LOOP CONTROL
DTC Confirmation Procedure (Cont’d)
EC-477
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