NISSAN TEANA 2003 Service Manual

HEATED SEAT
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2. CHECK SEAT HEATER RH GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between seat heater RH harness connector
B174 terminal 40 and ground.
OK or NG
OK >> Check harness connection.

If it is OK, replace seat heater RH.

If it is NG, repair or replace malfunction part.
NG >> Repair or replace harness.
3. CHECK SEAT HEATER RH CIRCUIT (CONTINUITY)
1. Turn ignition switch OFF.
2. Disconnect heated seat control unit connector.
3. Check continuity between seat heater RH harness connector
B174 terminal 37, 38 and heated seat control unit harness con-
nector B182 terminal 37, 38.
4. Check continuity between seat heater RH harness connector
B174 terminal 37, 38 and ground.
OK or NG
OK >> Check harness connection.

If it is OK, replace heated seat control unit.

If it is NG, repair or replace malfunction part.
NG >> Repair or replace harness.
Check Heated Seat Switch Indicator LH Circuit BIS0013P
1. CHECK HEATED SEAT SWITCH INDICATOR LH POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between heated seat switch LH harness connec-
tor B176 terminal 22 and ground.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.40 (B) – Ground : Continuity should exist.
PIIB2161E
LOW
38 (P) – 38 (P) : Continuity should exist
HIGH
37 (O) – 37 (O) : Continuity should exist
LOW
38 (P) – Ground : Continuity should not exist
HIGH
37 (O) – Ground : Continuity should not exist
PIIB8703E
22 (Y/R) - Ground : Battery voltage
PIIB2163E

SE-86
HEATED SEAT

2. CHECK HEATED SEAT SWITCH INDICATOR LH CIRCUIT
Check voltage between heated seat switch LH harness connector
and ground.
OK or NG
OK >> GO TO 4.
NG >> Check harness connection.

If it is OK, replace heated seat switch LH.

If it is NG, repair or replace malfunction part.
3. CHECK HEATED SEAT SWITCH INDICATOR LH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect heated seat relay connector and heated seat switch LH connector.
3. Check continuity between heated seat relay harness connector
M79 terminal 6 and heated seat switch LH harness connector
B176 terminal 22.
OK or NG
OK >> Check harness connection.
NG >> Repair or replace harness.
4. CHECK HEATED SEAT SWITCH LH GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect heated seat switch LH connector and heated seat control unit connector.
3. Check continuity between heated seat switch LH harness con-
nector B176 terminal 23, 24 and heated seat control unit har-
ness connector B182 terminal 23, 24.
OK or NG
OK >> Check harness connection.

If it is OK, replace heated seat control unit.

If it is NG, repair or replace malfunction part.
NG >> Repair or replace harness.
ConnectorTerminal
(Wire color)
ConditionVoltage [V]
(Approx.)
(+) (-)
B17623 (R/W)
GroundHeated seat switch LH is in
LOW position.Battery voltage
Except above. 0
24 (R/Y)Heated seat switch LH is in
HIGH position.Battery voltage.
Except above. 0
PIIB2164E
6 (GR) – 22 (Y/R) : Continuity should exist.
PIIB2165E
LOW
23 (R/W) – 23 (R/W) : Continuity should exist.
HIGH
24 (R/Y) – 24 (R/Y) : Continuity should exist.
PIIB8704E

HEATED SEAT
SE-87
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Check Heated Seat Switch Indicator RH Circuit BIS0013Q
1. CHECK HEATED SEAT SWITCH INDICATOR RH POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between heated seat switch RH harness connec-
tor B177 terminal 30 and ground.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2. CHECK HEATED SEAT SWITCH INDICATOR RH CIRCUIT
Check voltage between heated seat switch RH harness connector
and ground.
OK or NG
OK >> GO TO 4.
NG >> Check harness connection.

If it is OK, replace heated seat switch RH.

If it is NG, repair or replace malfunction part.
3. CHECK HEATED SEAT SWITCH INDICATOR RH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect heated seat relay connector and heated seat switch RH connector.
3. Check continuity between heated seat relay harness connector
M79 terminal 6 and heated seat switch RH harness connector
B177 terminal 30.
OK or NG
OK >> Check harness connection.
NG >> Repair or replace harness.30 (Y/R) - Ground : Battery voltage
PIIB2167E
ConnectorTe r m i n a l
(Wire color)
ConditionVoltage [V]
(Approx.)
(+) (-)
B17731 (R/G)
GroundHeated seat switch RH is in
LOW position.Battery volt-
age
Except above. 0
32 (R/B)Heated seat switch RH is in
HIGH position.Battery volt-
age
Except above 0
PIIB2168E
6 (GR) – 30 (Y/R) : Continuity should exist.
PIIB2169E

SE-88
HEATED SEAT

4. CHECK HEATED SEAT SWITCH RH GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect heated seat switch RH connector and heated seat control unit connector.
3. Check continuity between heated seat switch RH harness con-
nector B177 terminal 31, 32 and heated seat control unit har-
ness connector B182 terminal 31, 32.
OK or NG
OK >> Check harness connection.

If it is OK, replace heated seat control unit.

If it is NG, repair or replace malfunction part.
NG >> Repair or replace harness.LOW
31 (R/G) – 31 (R/G) : Continuity should exist.
HIGH
32 (R/B) – 32 (R/B) : Continuity should exist.
PIIB8705E

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

AIR MASSAGE SEAT
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Wiring Diagram — M/SEAT —BIS0013U
TIWM1795E

SE-92
AIR MASSAGE SEAT

TIWM1796E

AIR MASSAGE SEAT
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Terminal and Reference Value For Air Massage Seat Control Unit BIS0013Y
Work FlowBIS00140
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to SE-89, "
System Description" .
3. According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to SE-93,
"Trouble Diagnoses Symptom Chart" .
4. Does air massage seat operate normally? YES: GO TO 5, NO: GO TO 3.
5. INSPECTION END.
Trouble Diagnoses Symptom ChartBIS00141

Check that other systems using the signal of the following systems operate normally.
Te r m i -
nalWire
ColorItemSignal
Input/OutputConditionVoltage (V)
(Approx.)
15 L Ignition switch power supply Input Ignition switch ON or START Battery voltage
16 GRAir massage seat power supply
(LOW)OutputIgnition switch
ON or STARTAir massage seat switch
is in LOW positionBattery voltage
Except above 0
17 BRAir massage seat power supply
(HIGH)OutputIgnition switch
ON or STARTAir massage seat switch
is in HIGH positionBattery voltage
Except above 0
18 LG Ground — — 0
Symptom Diagnoses procedureReference
page
Front air massage seat dose not activate.1. Check air massage seat control unit power supplySE-94
2. Check air massage seat control unit power supply and
ground circuit SE-94
3. Check front air massage seat switch circuit SE-95
4. Check air bladder, air pump, air tube.SE-101
5. If the above systems are normal, replace air massage
seat control unitSE-90
Low function of front air massage seat dose not activate.1. Check front air massage seat switch circuit check
(LOW position circuit)SE-952. Check air bladder, air pump, air tube.SE-101
3. If the above systems are normal, replace air massage
seat control unit SE-90
High function of front air massage seat dose not activate.1. Check front air massage seat switch circuit check
(HIGH position circuit)SE-952. Check air bladder, air pump, air tube.SE-101
3. If the above systems are normal, replace air massage
seat control unit SE-90

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