2014 NISSAN TEANA ignition

DAS
U1310 PUMP UNIT CIRCUITDAS-129
< DTC/CIRCUIT DIAGNOSIS > [LDW]
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2. Check for continuity between ITS control unit harnes s connector and rear view camera washer control
unit connector.
3. Check for continuity between ITS control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 4.
NO >> Repair the harness or connector.
4.CHECK CONTINUITY REAR VIEW CAME RA WASHER CONTROL UNIT TO PUMP
1. Disconnect rear view camera air pump connector.
2. Check for continuity between rear view camera washer control unit connector and pump connector.
3. Check for continuity between rear view ca mera washer control unit connector and ground.
Is inspection result normal?
YES >> GO TO 5.
NO >> Repair the harness or connector.
5.CHECK REAR VIEW CAMERA AIR PUMP MO TOR ITS CONTROL UNIT SUPPLY CIRCUIT
Momentarily connect a jumper from a fused battery posit ive to terminal 1 and from ground to terminal 2 of the
rear view camera air pump motor.
Does the pump operate?
YES >> GO TO 6.
NO >> Replace the rear view camera air pump motor.
6.CHECK REAR VIEW CAMERA AIR PUMP MO TOR ITS CONTROL UNIT SUPPLY CIRCUIT
1. Reconnect the ITS control unit connector.
2. Turn the ignition switch ON.
3. Activate the rear view camera air pump while chec king voltage between rear view camera washer control
unit connector and ground.
ITS control unit Rear view camera washer
control unit Continuity
Connector Terminal Connector Terminal
M58 2
B167
Ye s
38
ITS control unit GroundContinuity
Connector Terminal
M58 2
No
3
Rear view camera washer control unit Rear view camera air
pump motor Continuity
Connector Terminal Connector Terminal
B16 1
B171
Ye s
22
Rear view camera washer control unit GroundContinuity
Connector Terminal
B16 1
No
2
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

DAS
POWER SUPPLY AND GROUND CIRCUITDAS-131
< DTC/CIRCUIT DIAGNOSIS > [LDW]
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POWER SUPPLY AND GROUND CIRCUIT
Diagnosis ProcedureINFOID:0000000009464777
Regarding Wiring Diagram information, refer to DAS-91, "Wiring Diagram".
1.CHECK ITS CONTROL UNIT POWER SUPPLY CIRCUIT
Check voltage between ITS control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair the ITS control unit power supply circuit.
2.CHECK ITS CONTROL UNIT GROUND CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect the ITS control unit connector.
3. Check for continuity between ITS control unit harness connector and ground.
Is the inspection result normal?
YES >> Inspection End.
NO >> Repair the ITS control unit ground circuit.
Te r m i n a l Condition
Vo l ta g e
(Approx.)
(+) (–)
ITS control unit
GroundIgnition
switch
Connector Terminal
M58 20
OFF Battery voltage
ON Battery voltage
39 OFF 0 V
ON Battery voltage
ITS control unit GroundContinuity
Connector Terminal
M58 40 Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

DAS-132
< DTC/CIRCUIT DIAGNOSIS >[LDW]
WARNING SYSTEMS SWITCH CIRCUIT
WARNING SYSTEMS SWITCH CIRCUIT
Component Function CheckINFOID:0000000009464778
1.CHECK WARNING SYSTEMS SWITCH INPUT SIGNAL
1. Turn the ignition switch ON.
2. Select the DATA MONITOR item “I TS SW 1” of “AVM” with CONSULT.
3. With operating the warning systems switch, check the monitor status.
Is the inspection result normal?
YES >> Warning systems switch circuit is normal.
NO >> Refer to DAS-132, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000009464779
Regarding Wiring Diagram information, refer to DAS-91, "Wiring Diagram".
1.CHECK WARNING SYSTEMS SWITCH SIGNAL INPUT
1. Turn the ignition switch ON.
2. Check voltage between ITS control unit harness connector and ground.
Is the inspection result normal?
YES >> Replace the ITS control unit. Refer to DAS-68, "Removal and Installation".
NO >> GO TO 2.
2.CHECK WARNING SYSTEMS SWITCH
1. Turn ignition switch OFF.
2. Remove warning systems switch.
3. Check warning systems switch. Refer to DAS-133, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace the warning systems switch. Refer to DAS-142, "Removal and Installation"
.
3.CHECK WARNING SYSTEMS SWITCH GROUND CIRCUIT
Check continuity between warning system switch harness connector terminal and ground.
Is the inspection result normal?
YES >> GO TO 4.
Monitor item Condition Monitor status
ITS SW 1 Warning systems switch is pressed On
Warning systems switch is not pressed OFF
Te r m i n a l s Condition
Voltag e
(Approx.)
(+) (
−)
ITS control unit
GroundWarning
systems switch
Connector Terminal
M58 32 Pressed 0 V
Released 12 V
Warning system switch
GroundContinuity
Connector Terminal
M62 8 Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

DAS-134
< DTC/CIRCUIT DIAGNOSIS >[LDW]
WARNING SYSTEMS ON
INDICATOR CIRCUIT
WARNING SYSTEMS ON INDICATOR CIRCUIT
Component Function CheckINFOID:0000000009464781
1.CHECK WARNING SYSTEMS ON INDICATOR
1. Turn the ignition switch ON.
2. Select the active test item “BSW ON INDICATO R” of “AVM” with CONSULT.
3. With operating the test item, check the operation.
Is the inspection result normal?
YES >> Inspection End.
NO >> Refer to DAS-134, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000009464782
Regarding Wiring Diagram information, refer to DAS-91, "Wiring Diagram".
1.CHECK WARNING ON INDICATOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect warning system switch connector.
3. Turn ignition switch ON.
4. Check voltage between warning system switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair the warning systems ON indicator power supply circuit.
2.CHECK WARNING SYSTEMS ON INDICATOR SIGNAL FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect the ITS control unit harness connector.
3. Check continuity between the ITS control unit har ness connector and warning system switch harness con-
nector.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair the harnesses or connectors.
3.CHECK WARNING SYSTEMS ON INDICATOR SIGNAL CIRCUIT FOR SHORT
Check continuity between the ITS c ontrol unit harness connector and ground.
On : Warning systems ON indicator illuminates
Off : Warning systems ON in dicator is turned OFF
Te r m i n a l s
Voltag e
(Approx.)
(+) (
−)
Warning system switch Ground
Connector Terminal
M62 5 Battery voltage
ITS control unit Warning system switch Continuity
Connector Terminal Connector Terminal
M58 33 M62 3 Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

DAS-136
< DTC/CIRCUIT DIAGNOSIS >[LDW]
WARNING BUZZER CIRCUIT
WARNING BUZZER CIRCUIT
Component Function CheckINFOID:0000000009464784
1.CHECK WARNING BUZZER
1. Turn the ignition switch ON.
2. Select the active test item “BUZZER” of “BCM” with CONSULT.
3. With operating the test item, check the operation.
Is the inspection result normal?
YES >> Inspection End.
NO >> Refer to DAS-136, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000009464785
1.CHECK WARNING BUZZER OPERATION
While activating the buzzer with CONSULT, listen for the buzzer sound.
Does warning buzzer sound?
YES >> Replace the ITS control unit. Refer to DAS-68, "Removal and Installation".
NO >> Replace the combination meter (buzzer). On : Warning buzzer is activated.
Off : Warning buzzer is not activated.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

DAS
LDW SYSTEM SYMPTOMSDAS-137
< SYMPTOM DIAGNOSIS > [LDW]
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SYMPTOM DIAGNOSIS
LDW SYSTEM SYMPTOMS
Symptom TableINFOID:0000000009464786
NOTE:
For the operational conditions of Lane Departure Wa rning (LDW), refer to the following description.
•LDW: DAS-77, "System Description"
Symptom Possible cause Inspection item/Reference page
Indicator/warning lamps do not
illuminate when ignition switch
OFF ⇒ ON Lane departure warning
lamp (orange) does not illu-
minate. • Combination meter
• ITS control unit Lane departure warning lamp
does not turn ON
Refer to DAS-138, "Description"
Warning systems ON indica-
tor does not illuminate. • Harness between ITS control
unit and warning systems
switch
• Warning systems switch
• ITS control unit Warning systems ON indicator
circuit
Refer to DAS-134, "Component
Function Check"
Lane departure warning
lamp (orange) ON indicator
lamp (white) does not illumi-
nate. • Combination meter
• ITS control unit • Lane departure warning lamp
does not turn ON
Refer to DAS-138, "Descrip-
tion"
All of indicator/warning
lamps does not illuminate;
• Lane departure warning lamp (orange)
• Warning systems ON indi-
cator • Power supply and ground cir-
cuit of ITS control unit
• ITS control unit Power supply and ground circuit
of ITS control unit
Refer to DAS-131, "Diagnosis
Procedure"
LDW system is not activated.
(Indicator/warning lamps illumi-
nate when ignition switch OFF
⇒ ON) Warning systems ON indica-
tor is not turned ON ⇔ OFF
when operating warning
systems switch • Harness between ITS control
unit and warning systems
switch
• Harness between warning systems switch and ground
• Warning systems switch
• ITS control unit • Warning systems switch cir-
cuit
Refer to DAS-132, "Compo-
nent Function Check"
• LDW system setting cannot
be turned ON/OFF on the nav-
igation screen
Refer to DAS-140, "Diagnosis
Procedure"
Warning buzzer is not
sounding.
(Lane departure warning
lamp is activated.) • Warning buzzer
• ITS control unit Refer to
DAS-136, "Component
Function Check"
Warning functions are not timely
(Example)
• Does not function when driving on lane markers
• Functions when driving in a lane
• Functions in a different position from the actual position. • Lane camera unit
• ITS control unit Camera ca
libration
DAS-107, "Description"
Functions when changing the course in direction of the turn sig-
nal Turn indicator signal (CAN)
•BCM
• ITS control unit System operates even when us-
ing turn signal . Refer to DAS-
139, "Description"
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

DAS-138
< SYMPTOM DIAGNOSIS >[LDW]
LANE DEPARTURE WARNING LAMP DOES NOT TURN ON
LANE DEPARTURE WARNING LAMP DOES NOT TURN ON
DescriptionINFOID:0000000009464787
The lane departure warning lamp in the combination meter does not turn ON when turning on the ignition
switch
Diagnosis ProcedureINFOID:0000000009464788
1.CHECK LANE DEPARTURE WARNING LAMP
1. Check that “LANE DEPARTURE W/L” operat es normally in “ACTIVE TEST” of “AVM”.
2. Operate the test items to check that the lane departure warning lamp blinks
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 2.
2.CHECK COMBINATION METER
Turn the ignition switch from OFF to ON to check t hat “LANE W/L” included in “DATA MONITOR” in “METER/
M&A” operates normally.
Is the inspection result normal?
YES >> Replace the combination meter. Refer to MWI-82, "Removal and Installation".
NO >> GO TO 3.
3.CHECK SELF-DIAGNOSIS RESULTS OF COMBINATION METER
1. Perform “All DTC Reading” with CONSULT.
2. Check if the DTC is detected in self-d iagnosis results of “METER/M&A”. Refer to MWI-27, "DTC Index"
.
Is any DTC detected?
YES >> Repair or replace malfunctioning parts.
NO >> GO TO 4.
4.CHECK SELF-DIAGNOSIS RESU LTS OF ITS CONTROL UNIT
Check if the DTC is detected in self-diagnosis results of “AVM”. Refer to DAS-89, "DTC Index"
.
Is any DTC detected?
YES >> Repair or replace malfunctioning parts.
NO >> Replace the ITS control unit. Refer to DAS-68, "Removal and Installation"
.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

DAS-140
< SYMPTOM DIAGNOSIS >[LDW]
LDW SYSTEM SETTINGS CANNOT BE T
URNED ON/OFF IN VEHICLE INFOR-
MATION DISPLAY
LDW SYSTEM SETTINGS CANNOT BE TURNED ON/OFF IN VEHICLE IN-
FORMATION DISPLAY
DescriptionINFOID:0000000009464791
• LDW system setting is not selectable on the navigation screen.
• NOTE:
When the ignition switch is in ACC posit ion, LDW system setting cannot be changed.
- “Lane Departure Warning” is not indicated on the navigation screen.
- The switching between ON and OFF cannot be per formed by operating the navigation system.
- The item of “Lane Departure Warning” on the navigation screen is not active.
• After turning ON the ignition switch or starting t he engine, LDW setting of the navigation system cannot be
selected for several tens of sec onds under the following conditions:
- After replacing AV control unit.
- After erasing connection histor y of the navigation system.
- After erasing self-diagnosis results of AV control unit.
• The LDW or LDP system setting differs from the one set at the previous driving.
NOTE:
Turn OFF the ignition switch and wait for 5 seconds or more.
Diagnosis ProcedureINFOID:0000000009464792
1.CHECK LDW SYSTEM SETTING
1. Start the engine.
2. Check that the LDW system settings is selectable on the navigation screen.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.PERFORM THE SELF-DIAGNOSIS
1. Perform “All DTC Reading” with CONSULT.
2. Check if the DTC is detected in self-diagnosis re sults of “AVM”, “MULTI AV” and “METER/M&A”. Refer to
the following.
-AVM: DAS-89, "DTC Index"
- MULTI AV (with BOSE): AV-328, "DTC Index"
- MULTI AV (without BOSE): AV-231, "DTC Index"
- METER/M&A: MWI-27, "DTC Index"
Is any DTC detected?
YES >> Repair or replace malfunctioning parts.
NO >> Inspection End.
3.CHECK DATA MONITOR OF ITS CONTROL UNIT
Check that “LDW SELECT” operates normally in “DATA MONITOR” of “AVM” with CONSULT.
Is the inspection result normal?
YES >> Refer to DAS-83, "CONSULT Function (AVM)".
NO >> GO TO 4.
4.CHECK MULTIFUNCTION SWITCH
Operate the multifunction switch to check that the audio, navigation system, and air conditioner operate prop-
erly.
Is the inspection result normal?
YES >> Replace the ITS control unit. Refer to DAS-68, "Removal and Installation".
NO >> Repair or replace malfunctioning parts.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM