2003 NISSAN TEANA sensor

EC-8 Diagnostic Procedure ...........................................648
Component Inspection ..........................................651
Removal and Installation ......................................651
DTC P2138 APP SENSOR .....................................652
Component Description ........................................652
CONSULT-II Reference Value in Data Monitor Mode
.652
On Board Diagnosis Logic ....................................652
DTC Confirmation Procedure ...............................653
Wiring Diagram .....................................................654
Diagnostic Procedure ...........................................655
Component Inspection ..........................................659
Removal and Installation ......................................659
ASCD BRAKE SWITCH ..........................................660
Component Description ........................................660
CONSULT-II Reference Value in Data Monitor Mode
.660
Wiring Diagram .....................................................661
Diagnostic Procedure ...........................................662
Component Inspection ..........................................666
ASCD INDICATOR ..................................................667
Component Description ........................................667
CONSULT-II Reference Value in Data Monitor Mode
.667
Wiring Diagram .....................................................668
Diagnostic Procedure ...........................................669
ELECTRICAL LOAD SIGNAL ................................670
Description ............................................................670
CONSULT-II Reference Value in Data Monitor Mode
.670
Diagnostic Procedure ...........................................670
ELECTRONIC CONTROLLED ENGINE MOUNT ..672
System Description ...............................................672
CONSULT-II Reference Value in Data Monitor Mode
.672
Wiring Diagram .....................................................673
Diagnostic Procedure ...........................................674
EVAP CANISTER PURGE VOLUME CONTROL
SOLENOID VALVE .................................................677
Description ............................................................677
CONSULT-II Reference Value in Data Monitor Mode
.677
Wiring Diagram .....................................................678
Diagnostic Procedure ...........................................680
Component Inspection ..........................................683
Removal and Installation ......................................683
FUEL INJECTOR ....................................................684
Component Description ........................................684
CONSULT-II Reference Value in Data Monitor Mode
.684
Wiring Diagram .....................................................685
Diagnostic Procedure ...........................................686
Component Inspection ..........................................689
Removal and Installation ......................................689
FUEL PUMP ............................................................690
Description ............................................................690
CONSULT-II Reference Value in Data Monitor Mode
.690
Wiring Diagram .....................................................691Diagnostic Procedure ............................................692
Component Inspection ..........................................695
Removal and Installation .......................................695
HO2S1 .....................................................................696
Component Description ........................................696
CONSULT-II Reference Value in Data Monitor Mode
.696
Wiring Diagram .....................................................697
Diagnostic Procedure ............................................700
Component Inspection ..........................................704
Removal and Installation .......................................705
HO2S1 HEATER ......................................................706
Description ............................................................706
CONSULT-II Reference Value in Data Monitor Mode
.706
Wiring Diagram .....................................................707
Diagnostic Procedure ............................................711
Component Inspection ..........................................713
Removal and Installation .......................................713
HO2S2 .....................................................................714
Component Description ........................................714
CONSULT-II Reference Value in Data Monitor Mode
.714
Wiring Diagram .....................................................715
Diagnostic Procedure ............................................718
Component Inspection ..........................................720
Removal and Installation .......................................722
HO2S2 HEATER ......................................................723
Description ............................................................723
CONSULT-II Reference Value in Data Monitor Mode
.723
Wiring Diagram .....................................................724
Diagnostic Procedure ............................................727
Component Inspection ..........................................729
Removal and Installation .......................................729
IAT SENSOR ...........................................................730
Component Description ........................................730
Wiring Diagram .....................................................731
Diagnostic Procedure ............................................732
Component Inspection ..........................................734
Removal and Installation .......................................734
IGNITION SIGNAL ..................................................735
Component Description ........................................735
Wiring Diagram .....................................................736
Diagnostic Procedure ............................................741
Component Inspection ..........................................746
Removal and Installation .......................................747
REFRIGERANT PRESSURE SENSOR ..................748
Component Description ........................................748
Wiring Diagram .....................................................749
Diagnostic Procedure ............................................750
Removal and Installation .......................................752
VIAS .........................................................................753
Description ............................................................753
CONSULT-II Reference Value in Data Monitor Mode
.754
Wiring Diagram .....................................................755
Diagnostic Procedure ............................................757

EC-9
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ECA
Component Inspection ......................................... 760
Removal and Installation ...................................... 761
VSS ......................................................................... 762
Description ........................................................... 762
Diagnostic Procedure ........................................... 762
MI & DATA LINK CONNECTORS .......................... 763
Wiring Diagram .................................................... 763
SERVICE DATA AND SPECIFICATIONS (SDS) .... 765
Fuel Pressure ....................................................... 765
Idle Speed and Ignition Timing ............................. 765Mass Air Flow Sensor ...........................................765
Intake Air Temperature Sensor .............................765
Engine Coolant Temperature Sensor ...................765
Heated Oxygen Sensor 1 Heater .........................765
Heated Oxygen sensor 2 Heater ..........................765
Crankshaft Position Sensor (POS) .......................765
Camshaft Position Sensor (PHASE) ....................765
Throttle Control Motor ...........................................765
Fuel Injector ..........................................................765
Fuel Pump ............................................................766

EC-10
[QR]
INDEX FOR DTC

[QR]INDEX FOR DTCPFP:00024
DTC No. IndexBBS005B7
NOTE:
If DTC U1000 or U1001 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000,
U1001. Refer to EC-113, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .
DTC*1Items
(CONSULT-II screen terms)Reference page
CONSULT-II
ECM*
2
No DTC
Flashing*3NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.EC-37
U1000
1000*4CAN COMM CIRCUITEC-113
U1001
1001*4CAN COMM CIRCUITEC-113
P0000 0000NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.—
P0011 0011 INT/V TIM CONT-B1EC-116
P0102 0102 MAF SEN/CIRCUITEC-124
P0103 0103 MAF SEN/CIRCUITEC-124
P0117 0117 ECT SEN/CIRCEC-131
P0118 0118 ECT SEN/CIRCEC-131
P0122 0122 TP SEN 2/CIRCEC-136
P0123 0123 TP SEN 2/CIRCEC-136
P0132 0132 HO2S1 (B1)EC-143
P0134 0134 HO2S1 (B1)EC-150
P0222 0222 TP SEN 1/CIRCEC-157
P0223 0223 TP SEN 1/CIRCEC-157
P0327 0327 KNOCK SEN/CIRC-B1EC-164
P0328 0328 KNOCK SEN/CIRC-B1EC-164
P0335 0335 CKP SEN/CIRCUITEC-169
P0340 0340 CMP SEN/CIRC-B1EC-176
P0500 0500 VEH SPEED SEN/CIRCEC-183
P0550 0550 PW ST P SEN/CIRCEC-185
P0605 0605 ECMEC-190
P1065 1065 ECM BACK UP/CIRCUITEC-193
P1121 1121 ETC ACTREC-197
P1122 1122 ETC FUNCTION/CIRCEC-200
P1124 1124 ETC MOT PWREC-207
P1126 1126 ETC MOT PWREC-207
P1128 1128 ETC MOTEC-213
P1217 1217 ENG OVER TEMPEC-218
P1225 1225 CTP LEARNINGEC-229
P1226 1226 CTP LEARNINGEC-231
P1229 1229 SENSOR POWER/CIRCEC-233
P1610 - P1615 1610 - 1615 NATS MALFUNCTIONEC-32
P1706 1706 P-N POS SW/CIRCUITEC-238
P1720 1720 V/SP SEN (A/T OUT)EC-243

INDEX FOR DTC
EC-11
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EC

*1: 1st trip DTC No. is the same as DTC No.
*2: In Diagnostic Test Mode II (Self-diagnostic results).
*3: When engine is running, MI may flash.
*4: The troubleshooting for this DTC needs CONSULT-II.P1805 1805 BRAKE SW/CIRCUITEC-245
P2122 2122 APP SEN 1/CIRCEC-251
P2123 2123 APP SEN 1/CIRCEC-251
P2127 2127 APP SEN 2/CIRCEC-258
P2128 2128 APP SEN 2/CIRCEC-258
P2135 2135 TP SENSOREC-265
P2138 2138 APP SENSOREC-272
DTC*1Items
(CONSULT-II screen terms)Reference page
CONSULT-II
ECM*
2

EC-12
[QR]
INDEX FOR DTC

Alphabetical IndexBBS005B8
NOTE:
If DTC U1000 or U1001 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000,
U1001. Refer to EC-113, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .
Items
(CONSULT-II screen terms)DTC*1
Reference page
CONSULT-II
ECM*2
APP SEN 1/CIRC P2122 2122EC-251
APP SEN 1/CIRC P2123 2123EC-251
APP SEN 2/CIRC P2127 2127EC-258
APP SEN 2/CIRC P2128 2128EC-258
APP SENSOR P2138 2138EC-272
BRAKE SW/CIRCUIT P1805 1805EC-245
CAN COMM CIRCUIT U1000
1000*4EC-113
CAN COMM CIRCUIT U1001
1001*4EC-113
CKP SEN/CIRCUIT P0335 0335EC-169
CMP SEN/CIRC-B1 P0340 0340EC-176
CTP LEARNING P1225 1225EC-229
CTP LEARNING P1226 1226EC-231
ECM P0605 0605EC-190
ECM BACK UP/CIRCUIT P1065 1065EC-193
ECT SEN/CIRC P0117 0117EC-131
ECT SEN/CIRC P0118 0118EC-131
ENG OVER TEMP P1217 1217EC-218
ETC ACTR P1121 1121EC-197
ETC FUNCTION/CIRC P1122 1122EC-200
ETC MOT P1128 1128EC-213
ETC MOT PWR P1124 1124EC-207
ETC MOT PWR P1126 1126EC-207
HO2S1 (B1) P0132 0132EC-143
HO2S1 (B1) P0134 0134EC-150
INT/V TIM CONT-B1 P0011 0011EC-116
KNOCK SEN/CIRC-B1 P0327 0327EC-164
KNOCK SEN/CIRC-B1 P0328 0328EC-164
MAF SEN/CIRCUIT P0102 0102EC-124
MAF SEN/CIRCUIT P0103 0103EC-124
NATS MALFUNCTION P1610 - P1615 1610 - 1615EC-32
NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.No DTC
Flashing*3EC-37
NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.P0000 0000 —
P-N POS SW/CIRCUIT P1706 1706EC-238
PW ST P SEN/CIRC P0550 0550EC-185
SENSOR POWER/CIRC P1229 1229EC-233
TP SEN 1/CIRC P0222 0222EC-157

INDEX FOR DTC
EC-13
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EC

*1: 1st trip DTC No. is the same as DTC No.
*2: In Diagnostic Test Mode II (Self-diagnostic results).
*3: When engine is running, MI may flash.
*4: The troubleshooting for this DTC needs CONSULT-II.TP SEN 1/CIRC P0223 0223EC-157
TP SEN 2/CIRC P0122 0122EC-136
TP SEN 2/CIRC P0123 0123EC-136
TP SENSOR P2135 2135EC-265
VEH SPEED SEN/CIRC P0500 0500EC-183
V/SP SEN (A/T OUT) P1720 1720EC-243
Items
(CONSULT-II screen terms)DTC*1
Reference page
CONSULT-II
ECM*2

EC-14
[QR]
PRECAUTIONS

PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
BBS005B9
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SRS and SB section of
this Service Manual.
WARNING:

To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.

Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.

Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
On Board Diagnostic (OBD) System of EngineBBS005BA
The ECM has an on board diagnostic system. It will light up the malfunction indicator (MI) to warn the driver of
a malfunction causing emission deterioration.
CAUTION:

Be sure to turn the ignition switch OFF and disconnect the negative battery cable before any
repair or inspection work. The open/short circuit of related switches, sensors, solenoid valves,
etc. will cause the MI to light up.

Be sure to connect and lock the connectors securely after work. A loose (unlocked) connector will
cause the MI to light up due to the open circuit. (Be sure the connector is free from water, grease,
dirt, bent terminals, etc.)

Certain systems and components, especially those related to OBD, may use a new style slide-
locking type harness connector. For description and how to disconnect, refer to PG-71, "
HAR-
NESS CONNECTOR" .

Be sure to route and secure the harnesses properly after work. The interference of the harness
with a bracket, etc. may cause the MI to light up due to the short circuit.

Be sure to erase the unnecessary malfunction information (repairs completed) from the ECM
before returning the vehicle to the customer.
PrecautionBBS005BB

Always use a 12 volt battery as power source.

Do not attempt to disconnect battery cables while engine is
running.

Before connecting or disconnecting the ECM harness con-
nector, turn ignition switch OFF and disconnect negative
battery cable. Failure to do so may damage the ECM
because battery voltage is applied to ECM even if ignition
switch is turned OFF.

Before removing parts, turn ignition switch OFF and then
disconnect negative battery cable.
SEF289H

PRECAUTIONS
EC-15
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EC


Do not disassemble ECM.

If a battery cable is disconnected, the memory will return to
the ECM value.
The ECM will now start to self-control at its initial value.
Engine operation can vary slightly when the terminal is dis-
connected. However, this is not an indication of a malfunc-
tion. Do not replace parts because of a slight variation.

If the battery is disconnected, the following emission-
related diagnostic information will be lost within 24 hours.
–Diagnostic trouble codes
–1st trip diagnostic trouble codes
–Freeze frame data
–1st trip freeze frame data

When connecting ECM harness connector, fasten it
securely with levers as far as they will go as shown in the
figure.

When connecting or disconnecting pin connectors into or
from ECM, take care not to damage pin terminals (bend or
break).
Make sure that there are not any bends or breaks on ECM
pin terminal, when connecting pin connectors.

Securely connect ECM harness connectors.
A poor connection can cause an extremely high (surge)
voltage to develop in coil and condenser, thus resulting in
damage to ICs.

Keep engine control system harness at least 10 cm (4 in)
away from adjacent harness, to prevent engine control sys-
tem malfunctions due to receiving external noise, degraded
operation of ICs, etc.

Keep engine control system parts and harness dry.

Before replacing ECM, perform “ECM Terminals and Refer-
ence Value” inspection and make sure ECM functions prop-
erly. Refer to EC-415, "
ECM Terminals and Reference Value"
.

Handle mass air flow sensor carefully to avoid damage.

Do not disassemble mass air flow sensor.

Do not clean mass air flow sensor with any type of deter-
gent.

Do not disassemble electric throttle control actuator.

Even a slight leak in the air intake system can cause seri-
ous incidents.

Do not shock or jar the camshaft position sensor (PHASE), crankshaft position sensor (POS).
PBIB1164E
PBIB2466E
PBIB0090E
MEF040D