2003 NISSAN TEANA fuse

HEATED SEAT
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Check Heated Seat Control Unit Power Supply and Ground Circuit BIS0013K
1. CHECK FUSE
Check the following fuses.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse, refer to PG-
3, "POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK HEATED SEAT RELAY
Check voltage between heated seat relay harness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between fuse and heated
seat relay.
3. CHECK HEATED SEAT RELAY
1. Turn ignition switch OFF.
2. Disconnect heated seat relay connector.
3. Check continuity between terminals.
OK or NG
OK >> GO TO 4.
NG >> Replace heated seat relay.
Component parts Fuse No. Ampere
Fuse block (J/B)3
10A 8
12
ConnectorTerminal
(Wire color)
ConditionVoltage [V]
(Approx.)
(+) (–)
M792 (G)
Ground IGN ON Battery voltage 5 (L)
7 (L)
PIIB2144E
Terminal
Condition Continuity
(+) (–)
3512V direct current supply between terminals
1 and 2.Ye s
No current supply No
6712V direct current supply between terminals
1 and 2.Ye s
No current supply No
SEC202B

AIR MASSAGE SEAT
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AIR MASSAGE SEATPFP:876B1
System Description BIS0013R

Air bladder is built in seatback.

There are four bladder in each seatback.

Upper air bladder and lower air bladder are inflated by turns.

Air bladder is inflated with air by air massage seat pump.

Air massage seat pump is controlled by air massage seat con-
trol unit.

Air massage seat pump has two operation pattern, LOW and
HIGH.

Air massage seat solenoid performs the change of LOW and
HIGH.

Air massage seat solenoid is built in air massage seat control
unit.

Front air massage seat switch is LOW and HIGH switch.
FRONT AIR MASSAGE SEAT OPERATION
With the ignition switch to ON or START position, power is supplied

through 15A fuse [No.15, located in the fuse block (J/B)]

to air massage seat control unit terminal 15, and

to front air massage seat switch terminal 1.
Ground is supplied

through air massage seat control unit terminal 18,

through body grounds B214 and B217.
When front air massage seat switch is LOW position, power is suppled

through front air massage seat switch terminal 2,

to air massage seat control unit terminal 16,
Then front air massage seat LOW function is activated.
When front air massage seat switch is HIGH position, power is suppled

through front air massage seat switch terminal 3,

to air massage seat control unit terminal 17,
Then front air massage seat HIGH function is activated.
PIIB8709E

SE-90
AIR MASSAGE SEAT

Component Parts and Harness Connector LocationBIS0013S
PIIB8710E
1. Fuse block (J/B) 2.a: Air massage seat pump
b: Air massage seat control unit
(Air massage seat solenoid is unified)
B320

SE-94
AIR MASSAGE SEAT

Check Air Massage Seat Control Unit Power Supply BIS00142
1. CHECK FUSE
Check the following fuse.
OK or NG
OK >> Check power supply harness.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse, refer to PG-
3, "POWER SUPPLY ROUTING CIRCUIT" .
Check Air Massage Seat Control Unit Power Supply and Ground Circuit BIS00145
1. CHECK AIR MASSAGE SEAT CONTROL UNIT POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between air massage seat control unit harness
connector B320 terminal 15 and ground.
OK or NG
OK >> GO TO 2.
NG >> Check harness between air massage seat control unit
and fuse block.
2. CHECK AIR MASSAGE SEAT CONTROL UNIT GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect air massage seat control unit connector.
3. Check continuity between air massage seat control unit harness
connector B320 terminal 18 and ground.
OK or NG
OK >> Air massage seat control unit power supply and ground
circuit are OK.
NG >> Repair or replace harness.
Component parts Fuse No. Ampere
Fuse block (J/B) 15 15A
15 (L) – Ground : Battery voltage.
PIIB8706E
18 (LG) – Ground : Continuity should exist.
PIIB2090E

AIR MASSAGE SEAT
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Check Front Air Massage Seat Switch Circuit BIS00146
1. CHECK FRONT AIR MASSAGE SEAT SWITCH CIRCUIT 1
1. Turn ignition switch OFF.
2. Disconnect front air massage seat switch connector.
3. Turn ignition switch ON.
4. Check voltage between front air massage seat switch harness
connector M90 terminal 1 and ground.
OK or NG
OK >> GO TO 2.
NG >> Check harness between front air massage seat switch
and fuse block.
2. CHECK FRONT AIR MASSAGE SEAT SWITCH CIRCUIT 2
1. Turn ignition switch OFF.
2. Connect front air massage seat switch connector.
3. Turn ignition switch ON.
4. Check voltage between front air massage seat switch harness
connector and ground.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. CHECK FRONT AIR MASSAGE SEAT SWITCH
1. Turn ignition switch OFF.
2. Disconnect front air massage seat switch connector.
3. Check continuity between front air massage seat switch termi-
nals.
OK or NG
OK >> GO TO 4.
NG >> Replace front air massage seat switch.1 (GR) – Ground : Battery voltage.
PIIB2085E
ConnectorTerminals
(Wire color)
Switch conditionVoltage [V]
(Approx.)
(+) (-)
M902 (BR/Y)
GroundLOW position
Battery voltage
3 (LG/R) HIGH position
PIIB2086E
Terminal Switch condition Continuity
1 - 2LOW position. Yes
Except above. No
1 - 3HIGH position. Yes
Except above. No
PIIB2087E

FRONT SEAT
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Removal and InstallationBIS0014E
REMOVAL
CAUTION:

Before removing the front seat, turn the ignition switch off, disconnect both battery cables and
wait and least 3 minutes.

When checking the power seat circuit for continuity using a circuit tester, do not confuse its con-
nector with the side air bag module connector. Such an error may cause the air bag to deploy.

Do not drop, tilt, or bump the side air bag module installing in the seat. Always handle it with care.
1. Remove front leg cover and rear leg cover (LH/RH).
2. Remove bolts.
NOTE:
Set seat sliding and seat reclining to center position when disassembling power seat after removing bolts.
Set seat lifter to top position when disassembling.
3. Disconnect side air bag module connector and power seat harness connector under the seat and remove
harness securing clips.
CAUTION:
Before removal, be sure to turn ignition switch OFF, disconnect both battery cables, and then wait
for at least 3 minutes.
4. Remove seat from the vehicle.
CAUTION:
When removing and installing, use shop cloths to protect parts from damage.
INSTALLATION
Install in the reverse order of removal.
CAUTION:
Before installation, be sure to turn ignition switch OFF, disconnect both battery cables, and then wait
for at least 3 minutes.
Disassembly and Assembly of Seatback (Manual and Power Seat)BIS0014F
DISASSEMBLY
1. Remove screw caps from back of seatback, and then remove
screws.
PIIA6232E
PIIA6307E

TROUBLE DIAGNOSIS
SRS-7
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SRS

TROUBLE DIAGNOSISPFP:00004
Trouble Diagnosis IntroductionBHS00043
CAUTION:

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.

Do not attempt to repair, splice or modify the SRS wiring harness. If the harness is damaged,
replace it with a new one.

Keep ground portion clean.
DIAGNOSIS FUNCTION
The SRS self-diagnosis results can be read by using “AIR BAG” warning lamp and/or CONSULT-II.
The User mode is exclusively prepared for the customer (driver). This mode warns the driver of a system mal-
function through the operation of the “AIR BAG” warning lamp.
The Diagnosis mode allows the technician to locate and inspect the malfunctioning part.
The mode applications for the “AIR BAG” warning lamp and CONSULT-II are as follows:
HOW TO PERFORM TROUBLE DIAGNOSES FOR QUICK AND ACCURATE REPAIR
A good understanding of the malfunction conditions can make troubleshooting faster and more accurate.
In general, each customer feels differently about a malfunction. It is important to fully understand the symp-
toms or conditions for a customer complaint.
Information from Customer
WHAT..... Vehicle model
WHEN..... Date, Frequencies
WHERE..... Road conditions
HOW..... Operating conditions, Symptoms
Preliminary Check
Check that the following parts are in good order.

Battery (Refer to SC-4, "How to Handle Battery" .)

Fuse (Refer to SRS-11, "Wiring Diagram — SRS —" .)

System component-to-harness connections
User mode Diagnosis mode Display type
“AIR BAG” warning lamp X X ON-OFF operation
CONSULT-II — X Monitoring

TROUBLE DIAGNOSIS
SRS-33
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Trouble Diagnosis: “AIR BAG” Warning Lamp Does Not Turn OFFBHS0004C
DIAGNOSTIC PROCEDURE 7
1. CHECK THE DEPLOYMENT OF AIR BAG MODULE
Is air bag module deployed?
YES or NO
YES >> Refer to SRS-55, "COLLISION DIAGNOSIS" .
NO >> GO TO 2.
2. CHECK THE AIR BAG FUSE
Check 10A fuse [No.13, located in fuse block (J/B)].
Refer to PG-3, "
POWER SUPPLY ROUTING CIRCUIT" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. CHECK AIR BAG FUSE AGAIN
Replace “AIR BAG” fuse and turn ignition switch ON.
Does the
“AIR BAG” fuse blow again?
YES >> Repair or replace main harness.
NO >>INSPECTION END
4. CHECK DIAGNOSIS SENSOR UNIT
Connect CONSULT-II and touch “START”.
Is
“AIR BAG” displayed on CONSULT-ll?
YES >> GO TO 5.
NO >> Visually check the wiring harness connection of diagno-
sis sensor unit. If the harness connection check result is
OK, replace diagnosis sensor unit.
5. CHECK HARNESS CONNECTION
Is harness connection between warning lamp and diagnosis sensor unit OK?
OK or NG
OK >> Replace diagnosis sensor unit.
NG >> Connect “AIR BAG” warning lamp and diagnosis sensor unit connector properly. If “AIR BAG”
warning lamp still does not go off, replace harness.
BCIA0030E