Nissan Note [1009/1872] Dtc p0141 ho2s2 heater

Nissan Note [1009/1872] Dtc p0141 ho2s2 heater
DTC P0141 HO2S2 HEATER
EC-1009
[HR (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-II.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
Diagnostic Procedure
BBS004D1
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten ground screws on the body.
Refer to EC-924, "
Ground Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Repair or replace ground connections.
TER-
MINAL
NO.
WIRE
COLOR
ITEM CONDITION DATA (DC Voltage)
5GR
Heated oxygen sensor 2
heater
[Engine is running]
Below 3,600 rpm after the following condi-
tions are met.
Engine: After warming up
Keeping the engine speed between 3,500
and 4,000 rpm for 1 minute and at idle for 1
minute under no load
Approximately 10V
[Ignition switch: ON]
Engine stopped
[Engine is running]
Engine speed: Above 3,600 rpm
BATTERY VOLTAGE
(11 - 14V)
50 B Heated oxygen sensor 2
[Engine is running]
Revving engine from idle to 3,000 rpm quickly
after the following conditions are met.
Engine: After warming up
Keeping the engine speed between 3,500
and 4,000 rpm for 1 minute and at idle for 1
minute under no load.
0 - Approximately 1.0V
59 LG
Sensor ground
(Heated oxygen sensor 2)
[Engine is running]
Warm-up condition
Idle speed
Approximately 0V
PBIA8148J
1. IPDM E/R 2. Body ground 3. Body ground
MBIB1550E

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