2014 NISSAN TEANA sensor

MWI-80
< SYMPTOM DIAGNOSIS >
THE AMBIENT TEMPERATURE DISPLAY IS INCORRECT
THE AMBIENT TEMPERATURE DISPLAY IS INCORRECT
DescriptionINFOID:0000000009461754
• The displayed ambient air temperature is higher than the actual temperature.
• The displayed ambient air temperature is lower than the actual temperature.
Diagnosis ProcedureINFOID:0000000009461755
1.CHECK COMBINATION METER INPUT SIGNAL
1. Select METER/M&A on CONSULT.
2. Check OUTSIDE TEMP of DATA MONITOR.
Does the ambient temperature approx imately match the CONSULT display?
YES >> Replace combination meter. Refer to MWI-82, "Removal and Installation".
NO >> GO TO 2.
2.CHECK AMBIENT SENSOR SIGNAL CIRCUIT
Check the ambient sensor signal circ uit. Refer to (without auto A/C) MWI-66, "Diagnosis Procedure"
or (with
auto A/C) HAC-60, "Diagnosis Procedure"
.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3.CHECK AMBIENT SENSOR
Check the ambient sensor. Refer to MWI-67, "Component Inspection"
.
Is the inspection result normal?
YES >> Replace IPDM E/R. Refer to PCS-32, "Removal and Installation".
NO >> Replace ambient sensor. Refer to MWI-83, "Removal and Installation"
.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

MWI
AMBIENT SENSORMWI-83
< REMOVAL AND INSTALLATION >
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AMBIENT SENSOR
Removal and InstallationINFOID:0000000009461758
REMOVAL
1. Remove the core support cover clips (A), then remove the core support cover (1).
2. Disconnect the harness connector from the ambient sensor.
3. Release the ambient sensor clip, then remove the ambient sen- sor (1).
INSTALLATION
Installation is in the reverse order of removal.
ALKIA2602ZZ
ALIIA0314ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

PB-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009951710
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severi ty of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SR and SB section of
this Service Manual.
WARNING:
• To avoid rendering the SRS inopera tive, 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 performed by
an authorized NISS AN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintent ional activation of the system. For re moval of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipmen t on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harn esses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electri c power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers , always switch the Ignition OFF, disconnect the
battery and wait at least three minutes before performing any service.
Revision: November 20132014 Altima NAM

PCS
PRECAUTIONSPCS-3
< PRECAUTION > [IPDM E/R]
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental
Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009951596
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severi ty of injury to the driver and front passenger for certain
types of collision. Information necessary to service t he system safely is included in the SR and SB section of
this Service Manual.
WARNING:
• To avoid rendering the SRS inoper ative, 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 performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintentional act ivation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipm ent on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identi fied by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Un it or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or el ectric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers , always switch the Ignition OFF, disconnect the
battery and wait at least three mi nutes before performing any service.
Precaution for Procedure without Cowl Top CoverINFOID:0000000009461595
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc.
PIIB3706J
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

PC S-6
< SYSTEM DESCRIPTION >[IPDM E/R]
SYSTEM
RELAY CONTROL SYSTEM : System Description
INFOID:0000000009461598
IPDM E/R activates the internal cont rol circuit to perform the relay ON-OFF control according to the input sig-
nals from various sensors and the request signals received from control units via CAN communication.
CAUTION:
IPDM E/R integrated relays cannot be removed.
POWER CONSUMPTION CONTROL SYSTEM
Control relay Input/output T ransmit unitControl partReference
page
Front fog lamp relay Front fog lamp request signal BCM (CAN) Front fog lamp EXL-101
Headlamp high relay High beam request signal BCM (CAN) Headlamp highEXL-91
Headlamp low relay Low beam request signal BCM (CAN) Headlamp lowEXL-93

(halogen)
EXL-94
(xe-
non)
Tail lamp relay Position light request signal BCM (CAN) •Parking lamp
• Side marker lamp
• License plate lamp
•Tail lamp EXL-103
• Front wiper relay
• Front wiper high relay Front wiper request signal BCM (CAN)
Front wiperWW-48
Front wiper auto stop signal Front wiper motor
Cooling fan relay-1 Cooling fan request signal ECM Cooling fan EC-499

(QR25DE)
EC-953

(VQ35DE)
A/C relay A/C compressor request signal ECM (CAN) A/C compressor HAC-87

(automatic
air condi-
tioner)
HAC-151

(manual air
conditioner)
Ignition relay-1 Ignition switch ON signal BCM (CAN)
Ignition relay-1PCS-58
Vehicle speed signal Combination meter (CAN)
Push-button ignition switch Push-button ignition switch
Fuel pump relay Fuel pump request signal ECM Fuel pump EC-508

(QR25DE)
EC-965

(VQ35DE)
ECM relay ECM relay cont rol signal ECM ECM relay EC-203

(QR25DE)
EC-709

(VQ35DE)
Throttle contro l motor relay Throttle control
motor relay sig-
nal ECMThrottle control motor re-
lay EC-475

(QR25DE)
EC-933

(VQ35DE)
Starter relay Starter relay control signal BCM Starter motor PCS-12
Starter control relay
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

PCS-16
< ECU DIAGNOSIS INFORMATION >[IPDM E/R]
IPDM E/R (INTELLIGENT POWER DI
STRIBUTION MODULE ENGINE ROOM)
35
(BR) Ground
ABS actuator and electric
unit (control unit) OutputIgnition switch OFF 0V
Ignition switch ON Battery voltage
36
(W) Ground Cooling fan relay-2, 3 Output Ignition switch OFF 0V
Ignition switch ON Battery voltage
37
(W) Ground Transmission range switch
signal InputIgnition
switch ON CVT selector lever in P
(park) or N (neutral) posi-
tion Battery voltage
CVT selector lever in any
position other than P
(park) or N (neutral) posi-
tion 0V
38
(G) Ground Push start switch Input Press the push-button ignition switch 0V
Release the push-button ignition switch Battery voltage
39
(G) Ground Motor fan relay HI Input Ignition switch OFF 0V
Ignition switch ON 0.7V
41
(B) Ground Ground (signal) — Ignition switch ON 0V
43
(LG) Ground
Ignition signal
1InputIgnition switch OFF or ACC 0V
Ignition switch ON Battery voltage
45
2
(V) Ground Power distribution sensor
signal-E/R —• Ignition switch ON (READY)
• Both A/C switch and blower motor
switch ON (A/C compressor oper-
ates) 1.0 - 4.0V
45
3
(P)
47
2
(O) Ground Power distribution sensor
power-E/R — Ignition switch ON 5V
47
3
(BG)
48
(SB) Ground
Power distribution sensor
ground-E/R — Ignition switch ON 0V
49
(P) Ground Ambient sensor signal-E/R — Ignition switch ON 5V
50
(BG) Ground Ambient sensor ground-E/
R — Ignition switch ON 0V
51
(R) Ground Starter motor Output At engine cranking Battery voltage
52
2
(G) Ground O2 sensor #2 Output Ignition switch OFF 0V
52
3
(P) Ignition switch ON Battery voltage
53
2
(W) Ground O2 sensor #1 Output Ignition switch OFF 0V
53
3
(G) Ignition switch ON Battery voltage
54
(LG) Ground Injector #1 Output Ignition switch OFF 0V
Ignition switch ON Battery voltage
Te r m i n a l N o .
(Wire color) Description
ConditionVa l u e
(Approx.)
Signal name Input/
Output
+ −
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

PCS
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PCS-19
< ECU DIAGNOSIS INFORMATION > [IPDM E/R]
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1: Ignition battery saver logic turns OFF the IPDM E/R and BCM if the ignition is ON for 30 minutes with the engine OFF.
2: With QR25DE.
3: With VQ35DE.
4: With rear view camera.
5: Without rear view camera.
Fail SafeINFOID:0000000009461604
CAN COMMUNICATION CONTROL
When CAN communication with ECM and BCM is impossible,
IPDM E/R performs fail-safe control. After CAN
communication recovers normally, it also returns to normal control.
If No CAN Communication Is Available With BCM
82
(W) Ground
Power distribution sensor
signal-fem —• Ignition switch ON (READY)
• Both A/C switch and blower motor switch ON (electric compressor oper-
ates) 1.0 - 4.0V
83
(G) Ground Power distribution sensor
power-fem — Ignition switch ON 5V
85
(V) Ground Daytime running lamps re-
lay OutputIgnition
switch ON Daytime light system ac-
tive Battery voltage
Ignition
switch ON Daytime light system inac-
tive 0V
86
(R) Ground Power distribution sensor
ground-fem — Ignition switch ON 0V
87
(P) Ground Ambient sensor signal-fem — Ignition switch ON 5V
90
(LG) Ground Clearance lamps Output Ignition
switch ON Lighting switch 1ST Battery voltage
Lighting switch OFF 0V
94
(SB) Ground Hood switch 2 Input Ignition
switch ON Hood closed 0V
Hood open Battery voltage
95
(BG) Ground Ambient sensor ground-
fem — Ignition switch ON 0V
96
(Y) Ground Hood switch Input
Ignition
switch ON Hood closed 0V
Hood open Battery voltage
Te r m i n a l N o .
(Wire color) Description
ConditionVa l u e
(Approx.)
Signal name Input/
Output
+ −
Control part Fail-safe in operation
Headlamp • Turns ON the headlamp low relay when the ignition switch is turned ON
• Turns OFF the headlamp low relay when the ignition switch is turned OFF
• Headlamp high relay OFF
•Parking lamps
• Side marker lamps
• License plate lamps
• Tail lamps • Turns ON the tail lamp relay when the ignition switch is turned ON
• Turns OFF the tail lamp relay when the ignition switch is turned OFF
Front wiper • The status just before activation of fail-safe control is maintained until the ignition
switch is turned OFF while the front wiper is operating at LO or HI speed.
• The wiper is operated at LO speed until the ignition switch is turned OFF if the fail- safe control is activated while the front wipe r is set in the INT mode and the front wiper
motor is operating.
Horn Horn OFF
Ignition relay The status just before activation of fail-safe is maintained.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

PCS
PRECAUTIONSPCS-33
< PRECAUTION > [POWER DISTRIBUTION SYSTEM]
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental
Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009951597
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severi ty of injury to the driver and front passenger for certain
types of collision. Information necessary to service t he system safely is included in the SR and SB section of
this Service Manual.
WARNING:
• To avoid rendering the SRS inoper ative, 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 performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintentional act ivation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipm ent on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identi fied by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Un it or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or el ectric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers , always switch the Ignition OFF, disconnect the
battery and wait at least three mi nutes before performing any service.
Precaution for WorkINFOID:0000000009461621
• When removing or disassembling each component, be ca reful not to damage or deform it. If a component
may be subject to interference, be sure to protect it with a shop cloth.
• When removing (disengaging) components with a screwdriver or similar tool, be sure to wrap the component with a shop cloth or vinyl tape to protect it.
• Protect the removed parts with a shop cloth and prevent them from being dropped.
• Replace a deformed or damaged clip.
• If a part is specified as a non-reusabl e part, always replace it with a new one.
• Be sure to tighten bolts and nuts securely to the specified torque.
• After installation is complete, be sure to check that each part works properly.
• Follow the steps below to clean components:
- Water soluble dirt:
• Dip a soft cloth into lukewarm water, wring the water out of the cloth and wipe the dirty area.
• Then rub with a soft, dry cloth.
-Oily dirt:
• Dip a soft cloth into lukewarm water with mild detergent (concentration: within 2 to 3%) and wipe the dirty area.
• Then dip a cloth into fresh water, wring the water out of the cloth and wipe the detergent off.
• Then rub with a soft, dry cloth.
- Do not use organic solvent such as thinner, benzene, alcohol or gasoline.
- For genuine leather seats, use a genuine leather seat cleaner.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM