NISSAN TEANA 2003 Service Manual

AUTOMATIC DRIVE POSITIONER
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2. CHECK KEY SWITCH (WITH INTELLIGENT KEY)
1. Turn ignition switch OFF.
2. Disconnect ignition knob switch, key switch and key lock solenoid connector.
3. Check continuity between ignition knob switch, key switch and key lock solenoid terminals 3 and 8.
OK or NG
OK >> Check the following.

15A fuse (No. 18, located in fuse and fusible link
block)

Harness for open or short between ignition knob
switch, key switch and key lock solenoid and fuse

Harness for open or short between BCM and ignition knob switch, key switch and key lock sole-
noid
NG >> Replace ignition knob switch, key switch and key lock solenoid.
3. CHECK KEY SWITCH (WITHOUT INTELLIGENT KEY)
1. Turn ignition switch OFF.
2. Disconnect key switch and key lock solenoid connector.
3. Check continuity between key switch and key lock solenoid terminal 1 and 4.
OK or NG
OK >> Check the following.

15A fuse [No. 17, located in fuse block (J/B)]

Harness for open or short between key switch and
key lock solenoid and fuse

Harness for open or short between BCM and key
switch and key lock solenoid
NG >> Replace key switch and key lock solenoid.
Terminal Condition Continuity
38KeyInserted Yes
Removed No
PIIB0521E
Terminal condition Continuity
14KeyInserted Yes
Removed No
PIIB0522E

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AUTOMATIC DRIVE POSITIONER

Check Seat Memory Switch Circuit BIS00139
1. CHECK FUNCTION
With CONSULT-II
With “SET SW,MEMORY SW1, MEMORY SW2” on the DATA MONITOR, operate the switch to check ON/
OFF operation.
OK or NG
OK >> Seat memory switch circuit is OK.
NG >> GO TO 2.
2. CHECK SEAT MEMORY SWITCH
1. Turn ignition switch OFF.
2. Disconnect seat memory switch connector.
3. Check continuity between seat memory switch connector D11 terminal 1, 3, 2 and 4.
OK or NG
OK >> GO TO 3.
NG >> Replace seat memory switch.
Monitor item
[OPERATION or UNIT]Contents
MEMORY SW1 “ON/OFF”ON/OFF status judged from the seat memory
switch 1 signal is displayed.
MEMORY SW2 “ON/OFF”ON/OFF status judged from the seat memory
switch 2 signal is displayed.
SET SW “ON/OFF”ON/OFF status judged from the setting switch
signal is displayed.
PIIB2076E
Connec-
torTerminals Condition Continuity
D113
4Set switch: ON Yes
Set switch: OFF No
1Memory switch 1: ON Yes
Memory switch 1: OFF No
2Memory switch 2: ON Yes
Memory switch 2: OFF No
PIIB2077E

AUTOMATIC DRIVE POSITIONER
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3. CHECK HARNESS CONTINUITY
1. Disconnect driver seat control unit connector.
2. Check continuity between driver seat control unit connector
B117 terminals 4, 14, 15 and seat memory switch connector D11
terminals 1, 2, 3.
3. Check continuity between driver seat control unit connector
B117 terminals 4, 14, 15 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between driver seat control unit and seat memory switch.
4. CHECK SEAT MEMORY SWITCH GROUND CIRCUIT
Check continuity between seat memory switch D11 terminal 4 and
ground.
OK or NG
OK >> Replace driver seat control unit.
NG >> Repair or replace harness between seat memory switch
and ground.
Check Memory Indicator Lamp Circuit BIS0013A
1. CHECK FUNCTION
With CONSULT-II
With “MEMORY SW INDCTR” in ACTIVE TEST, check operation.
OK or NG
OK >> Memory indicator lamp circuit is OK.
NG >> GO TO 2.1 (L) – 4 (Y) : Continuity should exist.
2 (G) – 14 (R/B) : Continuity should exist.
3 (R) – 15 (G/B) : Continuity should exist.
4 (Y) – Ground : Continuity should not exist.
14 (R/B) – Ground : Continuity should not exist.
15 (G/B) – Ground : Continuity should not exist.
PIIB2078E
4 (B) – Ground : Continuity should exist.
PIIB2079E
Test item Description
MEMORY SW
INDCTRThe memory switch indicator is lit by receiving the drive signal.
PIIA0319E

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AUTOMATIC DRIVE POSITIONER

2. CHECK SEAT MEMORY SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect seat memory switch connector.
3. Check voltage between seat memory switch connector D11 ter-
minal 5 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between fuse block (J/B) and
seat memory switch.
3. CHECK HARNESS CONTINUITY
1. Disconnect driver seat control unit connector.
2. Check continuity between driver seat control unit connector
B117 terminals 1, 11 and seat memory switch connector D11 ter-
minals 6, 7.
3. Check continuity between driver seat control unit connector
B117 terminals 1, 11 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness between driver seat control unit and seat memory switch.
4. CHECK SEAT MEMORY SWITCH INDICATOR SIGNAL
Check voltage between driver seat control unit connector B117 ter-
minals 1, 11 and ground.
OK or NG
OK >> Memory indicator lamp circuit is OK.
NG >> Replace seat memory switch.5 (Y/R) – Ground : Battery voltage
PIIB2080E
1 (W) – 6 (O) : Continuity should exist.
11 (O) – 7 (P) : Continuity should exist.
1 (W) – Ground : Continuity should not exist.
11 (O) – Ground : Continuity should not exist.
PIIB2081E
1 (W) – Ground : Battery voltage
11 (O) – Ground : Battery voltage
PIIB2082E

POWER SEAT
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POWER SEATPFP:87016
Wiring Diagram — SEAT —BIS0013B
TIWM0804E

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POWER SEAT

TIWM1785E

HEATED SEAT
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HEATED SEATPFP:87335
System Description BIS0013C

Each seat cushion has seat heater unit.

Front heated seat is composed the following
–Heated seat relay
–Front heated seat switch
–Seat heater unit

Rear heated seat is composed the following
–Heated seat relay
–Heated seat switch
–Seat heater unit
–Heated seat control unit

Heated seat system has two operation pattern, LOW and HIGH.
NOTE:

When handling seat, be extremely careful not to scratch seat heater unit

To replace heating unit, seat trim and pad should be separated.

Do not use any organic solvent, such as thinner, benzene, alcohol, etc. to clean trims.
FRONT HEATED SEAT
When ignition switch is ON or START, heated seat relay activates.
Then power is supplied

through 10A fuse [No. 8, located in fuse block (J/B)]

through heated seat relay terminals 3 and 5

to front heated seat switch (driver side and passenger side) terminal 1.
Driver Side
LOW FUNCTION
When front heated seat switch (driver side) is in LOW position, power is supplied

through front heated seat switch (driver side) terminal 2

to seat heater (driver side) terminals 53.
And, ground is supplied

to seat heater terminal 52

through grounds B16 and B17.
Then seat heater (driver side) LOW function is activated.
At this time ground is supplied

to front heated seat switch (driver side) terminal 4

through grounds M71 and M72.
Then indicator illuminates in front heated seat switch (driver side).
HIGH FUNCTION
When front heated seat switch (driver side) is in HIGH position, power is supplied

through front heated seat switch (driver side) terminal 3

to seat heater (driver side) terminals 54.
And, ground is supplied

to seat heater terminal 52

through grounds B16 and B17.
Then seat heater (driver side) HIGH function is activated.
At this time ground is supplied

to front heated seat switch (driver side) terminal 4

through grounds M71 and M72.
Then indicator illuminates in front heated seat switch (driver side).

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HEATED SEAT

Passenger Side
LOW FUNCTION
When front heated seat switch (passenger side) is in LOW position, power is supplied

through front heated seat switch (passenger side) terminal 2

to seat heater (passenger side) terminals 21.
And, ground is supplied

to seat heater terminal 20

through grounds B214 and B217.
Then seat heater (passenger side) LOW function is activated.
At this time ground is supplied

to front heated seat switch (passenger side) terminal 4

through grounds M71 and M72.
Then indicator illuminates in front heated seat switch (passenger side).
HIGH FUNCTIN
When front heated seat switch (passenger side) is in HIGH position, power is supplied

through front heated seat switch (passenger side) terminal 3

to seat heater (passenger side) terminals 22.
And, ground is supplied

to seat heater terminal 20

through grounds B214 and B217.
Then seat heater (passenger side) HIGH function is activated.
At this time ground is supplied

to front heated seat switch (passenger side) terminal 4

through grounds M71 and M72.
Then indicator illuminates in front heated seat switch (passenger side).
REAR HEATED SEAT
When ignition switch is ON, heated seat relay activates.
Then power is supplied

through 10A fuse [No. 3, located in fuse block (J/B)]

through heated seat relay terminals 6 and 7

to heated seat control unit terminal 41 and

to rear heated seat switch LH terminal 22 and RH terminal 30.
Ground is supplied at all times

to heated seat control unit terminal 42

through grounds B16 and B17.
LH Side
LOW FUNCTION
When rear heated seat switch LH is in LOW position, ground is supplied

to heated seat control unit terminal 20

through rear heated seat switch LH terminals 20 and 21

through grounds B16 and B17.
And, power is supplied

through heated seat control unit terminal 36

to seat heater LH terminal 36
ground is supplied

to seat heater LH terminal 39

through grounds B16 and B17.
Then seat heater LH LOW function is activated.
At this time ground is supplied

to rear heated seat switch LH terminal 23

HEATED SEAT
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through heated seat control unit terminal 23 and 42

through grounds B16 and B17.
Then LOW indicator illuminates in rear heated seat switch LH.
HIGH FUNCTION
When rear heated seat switch LH is in HIGH position, ground is supplied

to heated seat control unit terminal 19

through rear heated seat switch LH terminals 19 and 21

through grounds B16 and B17.
And, power is supplied

through heated seat control unit terminal 35

to seat heater LH terminal 35
ground is supplied

to seat heater LH terminal 39 and 36

through heated seat control unit terminal 36 and 42

through grounds B16 and B17.
Then seat heater LH HIGH function is activated.
At this time ground is supplied

to rear heated seat switch LH terminal 24

through heated seat control unit terminal 24 and 42

through grounds B16 and B17.
Then HIGH indicator illuminates in rear heated seat switch LH.
RH Side
LOW FUNCTION
When rear heated seat switch RH is in LOW position, ground is supplied

to heated seat control unit terminal 28

through rear heated seat switch RH terminals 28 and 29

through grounds B16 and B17.
And, power is supplied

through heated seat control unit terminal 38

to seat heater RH terminal 38
ground is supplied

to seat heater RH terminal 40

through grounds B16 and B17.
Then seat heater RH LOW function is activated.
At this time ground is supplied

to rear heated seat switch RH terminal 31

through heated seat control unit terminal 31 and 42

through grounds B16 and B17.
Then LOW indicator illuminates in rear heated seat switch RH.
HIGH FUNCTION
When rear heated seat switch RH is in HIGH position, ground is supplied

to heated seat control unit terminal 27

through rear heated seat switch RH terminals 27 and 29

through grounds B16 and B17.
And, power is supplied

through heated seat control unit terminal 37

to seat heater RH terminal 37
ground is supplied

to seat heater RH terminal 40 and 38

through heated seat control unit terminal 38 and 42

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HEATED SEAT


through grounds B16 and B17.
Then seat heater RH HIGH function is activated.
At this time ground is supplied

to rear heated seat switch RH terminal 32

through heated seat control unit terminal 32 and 42

through grounds B16 and B17.
Then HIGH indicator illuminates in rear heated seat switch RH.