2001 NISSAN ALMERA TINO Service Repair Manual

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Page 1209 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual 4 DETECT MALFUNCTIONING PART
Check the following.
+Joint connector-2 (where fitted)
+Joint connector F46 (where fitted)
+Harness for open or short between heated oxygen sensor 2 (rear) and ECM.
©Repa

Page 1210 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual SEF244YC
SEF032X
Without CONSULT-II
1) Start engine and drive vehicle at a speed of more than 70 km/h
(43 MPH) for 2 consecutive minutes.
2) Stop vehicle with engine running.
3) Set voltmeter probes b

Page 1211 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual DescriptionNLEC1499SYSTEM DESCRIPTIONNLEC1499S01
Sensor Input Signal to ECM ECM function Actuator
Camshaft position sensor Engine speedHeated oxygen sensor
2 heater (rear) controlHeated oxygen sensor

DescriptionNLEC1499SYSTEM DESCRIPTIONNLEC1499S01
Sensor Input Signal to ECM ECM function Actuator
Camshaft position sensor Engine speedHeated oxygen sensor
2 heater (rear) controlHeated oxygen sensor 2 heater
(rear)
The ECM performs ON/OFF control of the heated oxygen sensor 2 heater (rear) corresponding to the engine
speed.
OPERATIONNLEC1499S02
Engine condition Heated oxygen sensor 2 heater (rear)
Engine stopped OFF
Engine is running. Engine speed below 3,600 rpm
After driving for 2 minutes at a speed
of 70 km/h (43 MPH) or moreON
Engine speed above 3,600 rpm OFF
CONSULT-II Reference Value in Data Monitor
Mode
NLEC1500Specification data are reference values.
MONITOR ITEM CONDITION SPECIFICATION
HO2S2 HTR (B1)+Engine speedBelow 3,600 rpm [After driving for 2 minutes at a
speed of 70 km/h (43 MPH) or more]ON
Above 3,600 rpm OFF
+Ignition switch ON (Engine stopped) OFF
ECM Terminals and Reference ValueNLEC1501Specification data are reference values and are measured between each terminal and ground.
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.
TERMI-
NAL NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
3 W/RHeated oxygen sensor 2
heater (rear)[Engine is running]
+Engine speed is below 3,600 rpm [After driving
for 2 minutes at a speed of 70 km/h (43 MPH) or
more]Approximately 0.7V
[Engine is running]
+Engine speed is above 3,600 rpm
BATTERY VOLTAGE
(11 - 14V)
[Ignition switch ªONº]
+Engine stopped
On Board Diagnosis LogicNLEC1502
DTC No. Malfunction is detected when ... Check Items (Possible Cause)
P0141+The current amperage in the heated oxygen sensor 2
heater (rear) circuit is out of the normal range.
[An improper voltage drop signal is sent to ECM through
the heated oxygen sensor 2 heater (rear).]+Harness or connectors
(The heated oxygen sensor 2 heater (rear) cir-
cuit is open or shorted.)
+Heated oxygen sensor 2 heater (rear)
DTC P0141 HEATED OXYGEN SENSOR 2 HEATER (REAR)SR20DE
Description
EC-786

Page 1212 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual DTC Confirmation ProcedureNLEC1503NOTE:
If ªDTC Confirmation Procedureº has been previously conducted,
always turn ignition switch ªOFFº and wait at least 10 seconds
before conducting the next tes

Page 1213 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual Wiring DiagramNLEC1504MODELS WITH ECM IN ENGINE COMARTMENTNLEC1504S03
YEC694
DTC P0141 HEATED OXYGEN SENSOR 2 HEATER (REAR)SR20DE
Wiring Diagram
EC-788

Page 1214 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual MODELS WITH ECM IN CABINNLEC1504S04
YEC919
DTC P0141 HEATED OXYGEN SENSOR 2 HEATER (REAR)SR20DE
Wiring Diagram (Contd)
EC-789

Page 1215 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual Diagnostic ProcedureNLEC1505
1 CHECK POWER SUPPLY
1. Turn ignition switch ªOFFº.
2. Disconnect heated oxygen sensor 2 (rear) harness connector.
SEF639Z
3. Turn ignition switch ªONº.
4. Check volta

Page 1216 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual 4 DETECT MALFUNCTIONING PART
Check the harness for open or short between heated oxygen sensor 2 heater (rear) and ECM.
©Repair open circuit or short to ground or short to power in harness or connecto

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