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SEF656Y
SEF657Y
SEF658Y
WITH CONSULT-II
NHEC0112S01
1) Start engine and warm it up to normal operating temperature.
2) Stop engine and wait at least 5 seconds.
3) Turn ignition switch “ON” and select “HO2S1 (B1) P0133” or
“HO2S1 (B2) P0153” of “HO2S1” in “DTC WORK SUPPORT”
mode with CONSULT-II.
4) Touch “START”.
5) Start engine and let it idle for at least 3 minutes.
NOTE:
Never raise engine speed above 3,600 rpm after this step. If
the engine speed limit is exceeded, return to step 5.
6) When the following conditions are met, “TESTING” will be dis-
played on the CONSULT-II screen. Maintain the conditions
continuously until “TESTING” changes to “COMPLETED”. (It
will take approximately 40 to 50 seconds.)
ENG SPEED 1,200 - 2,800 rpm
Vehicle speed 80 - 120 km/h (50 - 75 MPH)
B/FUEL SCHDL 3 - 9 msec
Selector lever Suitable position
If “TESTING” is not displayed after 5 minutes, retry from
step 2.
7) Make sure that “OK” is displayed after touching “SELF-DIAG
RESULTS”. If “NG” is displayed, refer to “Diagnostic
Procedure”, EC-223.
SEF308XB
Overall Function Check
NHEC0113
Use this procedure to check the overall function of the heated oxy-
gen sensor 1 (front) circuit. During this check, a 1st trip DTC might
not be confirmed.
WITH GST
NHEC0113S01
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 fluctuates between 0 to 0.3V and 0.6 to 1.0V more
than 5 times within 10 seconds.
1 time: 0 - 0.3V → 0.6 - 1.0V → 0 - 0.3V
2 times: 0 - 0.3V → 0.6 - 1.0V → 0 - 0.3V → 0.6 - 1.0V →
0 - 0.3V
4) If NG, go to “Diagnostic Procedure”, EC-223.
DTC P0133 (BANK 1), P0153 (BANK 2) HO2S1 (FRONT) (RESPONSE
MONITORING)
DTC Confirmation Procedure (Cont’d)
EC-220
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