Nissan Note [1557/1872] Consult ii reference value in data monitor mode

Nissan Note [1557/1872] Consult ii reference value in data monitor mode
HO2S1 HEATER
EC-1557
[HR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
HO2S1 HEATER PFP:22690
Description
BBS004S6
SYSTEM DESCRIPTION
The ECM performs ON/OFF duty control of the heated oxygen sensor 1 heater corresponding to the engine
speed and engine coolant temperature. The duty percent varies with engine coolant temperature when engine
is started.
OPERATION
CONSULT-II Reference Value in Data Monitor Mode
BBS004S7
Specification data are reference values.
Sensor Input Signal to ECM ECM function Actuator
Camshaft position sensor (PHASE)
Crankshaft position sensor (POS)
Engine speed
Heated oxygen sensor 1
heater control
Heated oxygen sensor 1 heater
Engine coolant temperature sensor
Engine coolant tempera-
ture
Engine speed Heated oxygen sensor 1 heater
Above 3,600 rpm OFF
Below 3,600 rpm after warming up ON
MONITOR ITEM CONDITION SPECIFICATION
HO2S1 HTR (B1)
Engine: After warming up
Engine speed: Below 3,600 rpm
ON
Engine speed: Above 3,600 rpm OFF
O2SEN HTR DTY
Engine coolant temperature when engine started: More than 80°C (176°F)
Engine speed: Below 3,600 rpm
Approx. 30%

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