NISSAN TEANA 2003 Service Manual

AUTOMATIC DRIVE POSITIONER
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Check CAN Communication System BIS0012R
1. CHECK SELF-DIAGNOSTIC RESULT
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
With CONSULT-II
1. Connect CONSULT-II, and turn ignition switch ON.
2. Touch “AUTO DRIVE POS” on “SELECT SYSTEM” screen.
3. Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE” screen.
4. Check display content in self-diagnostic results.
Displayed U1000?
Ye s > > G O T O LAN-49, "CAN System Specification Chart" .
No >> Inspection END.
Symptom ChartBIS0012S
Symptom Diagnoses / service procedureReference
page
A part of seat system does not operate
(both automatically and manually).1. Check sliding motor circuit SE-36
2. Check reclining motor circuit SE-37
3. Check front lifter motor circuit SE-39
4. Check rear lifter motor circuit SE-40
5. If the above systems are normal, replace the driver
seat control unitSE-16
A part of seat system does not operate
(only automatic operation).1. Check sliding sensor circuit SE-42
2. Check reclining sensor circuit SE-43
3. Check front lifting sensor circuit SE-44
4. Check rear lifting sensor circuit SE-45
5. If the above systems are normal, replace the driver
seat control unitSE-16
All the automatic operations do not operate.1. Check detention switch (P range switch) circuit SE-53
2. Check key switch and key lock solenoid circuit
(with Intelligent Key)SE-54
3. Check key switch circuit (without Intelligent Key)SE-54
4. If the above systems are normal, replace the driver
seat control unitSE-16
A part of seat system does not operate
(only manual operation).1. Check Sliding switch circuit SE-47
2. Check reclining switch circuit SE-48
3. Check front lifting switch circuit SE-50
4. Check rear lifting switch circuit SE-51
5. If the above systems are normal, replace the driver
seat control unitSE-16
Only memory switch operation dose not operate.1. Check seat memory switch circuit SE-562. If the above systems are normal, replace the driver
seat control unitSE-16
Seat memory indicator lamps 1 and 2 do not illuminate.1. Check seat memory indicator lamp circuitSE-572. If all the above systems are normal, replace the driver
seat control unitSE-16

SE-36
AUTOMATIC DRIVE POSITIONER

Check Sliding Motor Circuit BIS0012T
1. CHECK SEAT SLIDING MECHANISM
Check the following.

Operation malfunction caused by sliding rail deformation or pinched harness or other foreign materials

Operation malfunction caused by foreign materials adhered to the sliding motor or sliding rail connector
rod

Operation malfunction and interference with other parts by poor installation
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning part and check again.
2. CHECK FUNCTION
With CONSULT-II
Check operation with “SEAT SLIDE” in ACTIVE TEST.
OK or NG
OK >> Sliding motor circuit is OK.
NG >> GO TO 3.
The Entry/Exiting does not operated when door is opened
and closed. (The Entry/Exiting operates with key switch)1. Check front door switch (driver side) circuit SE-46
2. If all the above systems are normal, replace the BCMSE-16
Only seat system does not operated
(only automatic operation).Check power seat switch ground circuitSE-52
Symptom Diagnoses / service procedureReference
page
Test item Description
SEAT SLIDE The sliding motor is activated by receiving the drive signal.
PIIA0265E

AUTOMATIC DRIVE POSITIONER
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3. CHECK SLIDING MOTOR HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector and sliding motor connector.
3. Check continuity between driver seat control unit connector
B118 terminals 25, 31 and sliding motor connector B123 termi-
nals 44, 45.
4. Check continuity between driver seat control unit connector
B118 terminals 25, 31 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between driver seat control unit and sliding motor.
4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.
2. Sliding switch operate, check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Replace sliding motor.
NG >> Replace driver seat control unit.
Check Reclining Motor Circuit BIS0012U
1. CHECK SEAT RECLINING MECHANISM
Check the following.

Operation malfunction caused by an interference with the center pillar or center console

Operation malfunction and interference with other parts by poor installation
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning part and check again.25 (W/R) – 44 (BR) : Continuity should exist.
31 (W/G) – 45 (G) : Continuity should exist.
25 (W/R) – Ground : Continuity should not exist.
31 (W/G) – Ground : Continuity should not exist.
PIIB8691E
Connec-
torTerminals
(Wire color)
Sliding switch conditionVoltage (V)
(Approx.)
(+) (–)
B11825 (W/R)
GroundFORWARD Battery voltage
Other than above 0
31 (W/G)BACKWARD Battery voltage
Other than above 0
PIIB2033E

SE-38
AUTOMATIC DRIVE POSITIONER

2. CHECK FUNCTION
With CONSULT-II
Check operation with “SEAT RECLINING” in ACTIVE TEST.
OK or NG
OK >> Reclining motor circuit is OK.
NG >> GO TO 3.
3. CHECK RECLINING MOTOR HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector and reclining motor connector.
3. Check continuity between driver seat control unit connector
B118 terminals 26, 32 and reclining motor connector B124 termi-
nals 46, 47.
4. Check continuity between driver seat control unit connector
B118 terminals 26, 32 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between driver seat control unit and reclining motor.
4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit.
2. Reclining switch operate, check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Replace reclining motor.
NG >> Replace driver seat control unit.
Test item Description
SEAT
RECLININGThe reclining motor is activated by receiving the drive signal.
PIIA0268E
26 (G/R) – 46 (GR) : Continuity should exist.
32 (L/O) – 47 (LG) : Continuity should exist.
26 (G/R) – Ground : Continuity should not exist.
32 (L/O) – Ground : Continuity should not exist.
PIIB8692E
ConnectorTerminals
(Wire color)
Reclining switch conditionVoltage (V)
(Approx.)
(+) (–)
B11826 (G/R)
GroundFORWARD Battery voltage
Other than above 0
32 (L/O)BACKWARD Battery voltage
Other than above 0
PIIB2035E

AUTOMATIC DRIVE POSITIONER
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Check Front Lifting Motor Circuit BIS0012V
1. CHECK FRONT SEAT LIFTING MECHANISM
Check the following.

Operation malfunction caused by lifter mechanism deformation or pinched harness or other foreign mate-
rials

Operation malfunction caused by foreign materials adhered to the lifter motor or lead screws

Operation malfunction and interference with other parts by installation
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning part and check again.
2. CHECK FUNCTION
With CONSULT-II
Check operation with “SEAT LIFTER FR” in ACTIVE TEST.
OK or NG
OK >> Front lifting motor circuit is OK.
NG >> GO TO 3.
3. CHECK FRONT LIFTING MOTOR HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector and front lifting motor connector.
3. Check continuity between driver seat control unit connector
B118 and terminals 27, 33 and front lifting motor connector B125
terminals 50, 51.
4. Check continuity between driver seat control unit connector
B118 and terminals 27, 33 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between driver seat control unit and front lifting motor.
Test item Description
SEAT
LIFTER FRThe front end lifter motor is activated by receiving the drive sig-
nal.
PIIA0271E
27 (R/Y) – 51 (SB) : Continuity should exist.
33 (Y/G) – 50 (R) : Continuity should exist.
27 (R/Y) – Ground : Continuity should not exist.
33 (Y/G) – Ground : Continuity should not exist.
PIIB8693E

SE-40
AUTOMATIC DRIVE POSITIONER

4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.
2. Front lifting switch operate, check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Replace front lifting motor.
NG >> Replace driver seat control unit.
Check Rear Lifting Motor Circuit BIS0012W
1. CHECK REAR SEAT LIFTING MECHANISM
Check the following.

Operation malfunction caused by lifter mechanism deformation or pinched harness or other foreign mate-
rials

Operation malfunction caused by foreign materials adhered to the lifter motor or lead screws

Operation malfunction and interference with other parts by poor installation
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning part and check again.
2. CHECK FUNCTION
With CONSULT-II
Check operation with “SEAT LIFTER RR” in ACTIVE TEST.
OK or NG
OK >> Rear lifting motor check is OK.
NG >> GO TO 3.
ConnectorTerminals
(Wire color)
Front lifting switch conditionVoltage (V)
(Approx.)
(+) (–)
B11827 (R/Y)
GroundDOWN Battery voltage
Other than above 0
33 (Y/G)UP Battery voltage
Other than above 0
PIIB2037E
Test item Description
SEAT LIFTER
RRThe rear end lifter motor is activated by receiving the drive sig-
nal.
PIIA0274E

AUTOMATIC DRIVE POSITIONER
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3. CHECK REAR LIFTING HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector and rear lifting motor connector.
3. Check continuity between driver seat control unit connector
B118 terminals 28, 29 and rear lifting motor connector B126 ter-
minals 48, 49.
4. Check continuity between driver seat control unit connector
B118 terminals 28, 29 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between driver seat control unit and rear lifting motor.
4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.
2. Rear lifting switch operate, check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Replace rear lifting motor.
NG >> Replace driver seat control unit.28 (L/W) – 48 (O) : Continuity should exist.
29 (B/Y) – 49 (P) : Continuity should exist.
28 (L/W) – Ground : Continuity should not exist.
29 (B/Y) – Ground : Continuity should not exist.
PIIB8694E
ConnectorTe r m i n a l s
(Wire color)
Rear lifting switch conditionVoltage (V)
(Approx.)
(+) (–)
B11828 (L/W)
GroundUP Battery voltage
Other than above 0
29 (B/Y)DOWN Battery voltage
Other than above 0
PIIB2039E

SE-42
AUTOMATIC DRIVE POSITIONER

Check Sliding Sensor Circuit BIS0012X
1. CHECK FUNCTION
With CONSULT-II
Check operation with “SLIDE PULSE” on the DATA MONITOR to make sure the pulse changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector and ground, with oscilloscope.
OK or NG
OK >> Sliding sensor circuit is OK.
NG >> GO TO 2.
2. CHECK SLIDING SENSOR HARNESS CONTINUITY
1. Disconnect driver seat control unit connector and sliding motor connector.
2. Check continuity between driver seat control unit connector
B117 terminals 16, 22 and sliding motor B123 terminals 16, 22.
3. Check continuity between driver seat control unit connector
B117 terminals 16, 22 and ground.
OK or NG
OK >> Replace sliding motor.
NG >> Repair or replace harness between driver seat control unit and sliding motor.
Monitor item [OPERATION or UNIT] Contents
SLIDE PULSE —Value (32768) when battery connects is
as standard. If it moves backward, the
value increases. If it moves for ward, the
value decreases.
PIIB2040E
ConnectorTerminals
(Wire color)
ConditionSignal
(Reference value)
(+) (–)
B117 16 (Y/B) GroundSliding
motor
operation
PIIB2042EPIIB2808E
16 (Y/B) – 16 (Y/B) : Continuity should exist.
22 (B) – 22 (B) : Continuity should exist.
16 (Y/B) – Ground : Continuity should not exist.
22 (B) – Ground : Continuity should not exist.
PIIB2043E

AUTOMATIC DRIVE POSITIONER
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Check Reclining Sensor Circuit BIS0012Y
1. CHECK FUNCTION
With CONSULT-II
Check operation with “RECLINING PULSE” on the DATA MONITOR to make sure the pulse changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector and ground, with oscilloscope.
OK or NG
OK >> Reclining sensor circuit is OK.
NG >> GO TO 2.
2. CHECK RECLINING SENSOR HARNESS CONTINUITY
1. Disconnect driver seat control unit connector and reclining motor connector.
2. Check continuity between driver seat control unit connector
B117 terminals 5, 22 and reclining motor connector B124 termi-
nals 5, 35.
3. Check continuity between driver seat control unit connector
B117 terminals 5, 22 and ground.
OK or NG
OK >> Replace reclining motor.
NG >> Repair or replace harness between connectors driver seat control unit and reclining motor.
Monitor item [POERATION or UNIT] Contents
RECLN PULSE —Value (32768) when battery connects is as
standard. If it moves backward, the value
increases. If it moves for ward, the value
decreases.
PIIB2041E
ConnectorTerminals
(Wire color)
ConditionSignal
(Reference value)
(+) (–)
B117 5 (V) GroundReclining
motor
operation
PIIB2044EPIIB2807E
5 (V) – 5 (V) : Continuity should exist.
35 (B) – 22 (B) : Continuity should exist.
5 (V) – Ground : Continuity should not exist.
22 (B) – Ground : Continuity should not exist.
PIIB2046E

SE-44
AUTOMATIC DRIVE POSITIONER

Check Front Lifting Sensor Circuit BIS0012Z
1. CHECK FUNCTION
With CONSULT-II
Check operation with “LIFT FR PULSE” on the DATA MONITOR to make sure the pulse changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector and ground, with oscilloscope.
OK or NG
OK >> Front lifting sensor circuit is OK.
NG >> GO TO 2.
2. CHECK FRONT LIFTING SENSOR HARNESS CONTINUITY
1. Disconnect driver seat control unit connector and front lifting motor connector.
2. Check continuity between driver seat control unit connector
B117 terminals 17, 22 and front lifting motor connector B125 ter-
minals 17, 36.
3. Check continuity between driver seat control unit connector
B117 terminals 17, 22 and ground.
OK or NG
OK >> Replace front lifting motor.
NG >> Repair or replace harness between driver seat control unit and front lifting motor.
Monitor item [OPERATION or UNIT] Contents
LIFT FR PULSE —Value (32768) when battery connects is
as standard. If it moves DOWN, the
value increases. If it moves UP, the
value decreases.
PIIB2045E
ConnectorTe r m i n a l s
(Wire color)
ConditionSignal
(Reference value)
(+) (–)
B117 17 (L/B) GroundFront lift-
ing motor
operation
PIIB2047EPIIB2809E
17 (L/B) – 17 (L/B) : Continuity should exist.
36 (B) – 22 (B) : Continuity should exist.
17 (L/B) – Ground : Continuity should not exist.
22 (B) – Ground : Continuity should not exist.
PIIB2048E