Nissan Frontier D22. Manual - part 625
DTC P1144, P1164 HO2S1
EC-1603
[VG33ER]
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EC
DTC Confirmation Procedure
UBS00E00
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 5 seconds before conducting the next test.
TESTING CONDITION:
●
Always perform at a temperature above
−10°C (14°F).
●
Before performing the following procedure, confirm that battery voltage is more than 11V at idle.
WITH CONSULT-II
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)/(B2) P1144/
P1164” 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 2,800 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 con-
tinuously until “TESTING” changes to “COMPLETED”. (It will
take approximately 50 seconds or more.)
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
Overall Function Check
UBS00E01
Use this procedure to check the overall function of the heated oxygen sensor 1 circuit. During this check, a
DTC might not be confirmed.
LEC074A
ENG SPEED
1,200 - 2,700 rpm
Vehicle speed
Less than 100 km/h (62 MPH)
B/FUEL SCHDL
2.0 - 14.0 msec
Selector lever
Suitable position
LEC075A
LEC058A