check INFINITI M35 2006 Factory Service Manual

AUTOMATIC DRIVE POSITIONER
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CAN Communication Inspection Using CONSULT-II (Self-Diagnosis)NIS00263
1. SELF-DIAGNOSTIC RESULT CHECK
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.
1. Connect to CONSULT-II, and select “AUTO DRIVE POS.” on the “SELECT DIAG SYSTEM” screen.
2. Select “SELF-DIAG RESULTS” on “SELECT DIAG MODE” screen.
3. Check display content in self-diagnostic results.
Contents displayed
No malfunction>>Inspection End.
Malfunction in CAN communication system>>After printing the monitor items, go to “CAN System”. Refer to
LAN-7, "
Precautions When Using CONSULT-II" .
BCM Power Supply and Ground Circuit CheckNIS00264
1. CHECK FUSE
Check if any of the following fuses in the BCM are blown.
NOTE:
Refer to SE-11, "
Component Parts And Harness Connector Location" .
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" .
CONSULT-II display code Diagnosis item
U1000INITIAL DIAG
TRANSMIT DIAG
BCM/SEC
METER/M&A
TCM
Unit Power source Fuse No.
BCMBattery power supplyF (50A)
Battery power supply 21 (10A)
Ignition switch ON or STRAT signal 1 (15A)
Ignition switch ACC or ON signal 6 (10A)

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2. CHECK POWER SUPPLY CIRCUIT (BCM)
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace the harness between BCM and fuse.
3. CHECK GROUND CIRCUIT (BCM)
Check continuity between BCM connector and ground.
OK or NG
OK >> BCM power supply and ground circuit are OK.
NG >> Repair or replace the harness between BCM and
ground.
Driver Seat Control Unit Power Supply and Ground Circuit CheckNIS00265
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector.
3. Check voltage between driver seat control unit connector and
ground.
OK or NG
OK >> GO TO 2.
NG >> Check the following.
Repair or replace harness between driver seat control unit and fuse block (J/B).
Circuit breaker.
Terminals
Condition of ignition
switchVoltage (V)
(Approx.) (+)
(–)
BCM
connectorTerminal
M138
GroundON
Battery voltage 11 A C C
M242
OFF
55
PIIB6296E
BCM connector Terminal
GroundContinuity
M2 52 Yes
PIIB5935E
Terminals
Voltage (V)
(Approx.) (+)
(–)
Driver seat con-
trol unit connectorTerminal
B20533
Ground Battery voltage
40
PIIB6128E

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2. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between the driver seat control unit connector and ground.
OK or NG
OK >> Driver seat control unit power supply and ground circuit
are OK.
NG >> Repair or replace harness between driver seat control
unit and ground.
Automatic Drive Positioner Power Supply and Ground Circuit CheckNIS00266
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit connector.
3. Check voltage between automatic drive positioner control unit connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness between automatic drive
positioner control unit and fuse block (J/B).
2. CHECK GROUND CIRCUIT
Check continuity between the automatic drive positioner control unit connector and ground.
OK or NG
OK >> Automatic drive positioner control unit power supply and
ground circuit are OK.
NG >> Repair or replace harness between automatic drive
positioner control unit and ground.
Driver seat control
unit connectorTerminal
GroundContinuity
B204 32
Ye s
B205 48
PIIB6129E
Terminals
Voltage (V)
(Approx.) (+)
(–) Automatic drive
positioner control
unit connectorTerminal
M734
Ground Battery voltage
39
PIIB6130E
Automatic drive
positioner control
unit connectorTerminal
GroundContinuity
M740
Ye s
48
PIIB6131E

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Sliding Motor Circuit CheckNIS00267
1. CHECK SEAT SLIDING MECHANISM
Check the following.
Operation malfunction caused by sliding rail deformation, 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 or replace 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.
3. CHECK SLIDING MOTOR CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and sliding motor connector.
3. Check continuity between driver seat control unit connector and sliding motor connector.
4. Check continuity between driver seat control unit connector and
ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
Test item Description
SEAT SLIDE The sliding motor is activated by receiving the drive signal.
PIIA0265E
AB
Continuity
Driver seat control
unit connectorTe r m i n a lSliding motor
connectorTerminal
B20535
B20735
Ye s
42 42
A
GroundContinuity
Driver seat control unit
connectorTerminal
B20535
No
42
PIIB6132E

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4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.
2. Check voltage between driver seat control unit connector and
ground.
OK or NG
OK >> Replace sliding motor.
NG >> Replace driver seat control unit.
Reclining Motor LH Circuit CheckNIS00268
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 or replace the malfunctioning part and check again.
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.
Driver seat
control unit
connectorTerminals
ConditionVoltage (V)
(Approx.)
(+) (–)
B20535
GroundSliding switch ON
(FORWARD operation)Battery voltage
Other than above 0
42Sliding switch ON
(BACKWARD operation)Battery voltage
Other than above 0
PIIB6133E
Test item Description
SEAT
RECLININGThe reclining motor is activated by receiving the drive signal.
PIIA0268E

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3. CHECK RECLINING MOTOR CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and reclining motor connector.
3. Check continuity between driver seat control unit connector and reclining motor connector.
4. Check continuity between driver seat control unit connector and
ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.
2. Check voltage between driver seat control unit connector and
ground.
OK or NG
OK >> Replace reclining motor.
NG >> Replace driver seat control unit.
Front Lifting Motor Circuit CheckNIS00269
1. CHECK FRONT END SEAT LIFTING MECHANISM
Check the following.
Operation malfunction caused by lifter mechanism deformation, pinched harness or other foreign materi-
als
Operation malfunction caused by foreign materials adhered to the front lifting motor or lead screws
Operation malfunction and interference with other parts by installation
OK or NG
OK >> GO TO 2.
NG >> Repair or replace the malfunctioning part and check again.
AB
Continuity
Driver seat control
unit connectorTe r m i n a lReclining motor
connectorTerminal
B20536
B20836
Ye s
44 44
A
GroundContinuity
Driver seat control unit
connectorTerminal
B20536
No
44
PIIB6134E
Driver seat
control unit
connectorTerminals
ConditionVoltage (V)
(Approx.)
(+) (–)
B20536
GroundReclining switch ON
(FORWARD operation)Battery voltage
Other than above 0
44Reclining switch ON
(BACKWARD operation)Battery voltage
Other than above 0
PIIB6135E

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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 CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and front lifting motor connector.
3. Check continuity between driver seat control unit connector and front lifting motor connector.
4. Check continuity between driver seat control unit connector and
ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.
2. Check voltage between driver seat control unit connector and
ground.
OK or NG
OK >> Replace front lifting motor.
NG >> Replace driver seat control unit.
Test item Description
SEAT
LIFTER FRThe front lifting motor is activated by receiving the drive signal.
PIIA0271E
AB
Continuity
Driver seat control
unit connectorTerminalFront lifting motor
connectorTerminal
B20537
B20937
Ye s
45 45
A
GroundContinuity
Driver seat control unit
connectorTerminal
B20537
No
45
PIIB6136E
Driver seat
control unit
connectorTe r m i n a l s
ConditionVoltage (V)
(Approx)
(+) (–)
B20537
GroundLifting switch (front) ON
(DOWN operation)Battery voltage
Other than above 0
45Lifting switch (front) ON
(UP operation)Battery voltage
Other than above 0
PIIB6137E

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Rear Lifting Motor Circuit CheckNIS0026A
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 rear lifting motor or lead screws
Operation malfunction and interference with other parts by poor installation
OK or NG
OK >> GO TO 2.
NG >> Repair or replace 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 circuit is OK.
NG >> GO TO 3.
3. CHECK REAR LIFTING MOTOR CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and rear lifting motor connector.
3. Check continuity between driver seat control unit connector and rear lifting motor connector.
4. Check continuity between driver seat control unit connector and
ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
Test item Description
SEAT LIFTER
RRThe rear lifting motor is activated by receiving the drive signal.
PIIA0274E
AB
Continuity
Driver seat control
unit connectorTe r m i n a lRear lifting motor
connectorTerminal
B20538
B21038
Ye s
39 39
A
GroundContinuity
Driver seat control
unit connectorTerminal
B20538
No
39
PIIB6138E

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Revision: 2006 January2006 M35/M45
4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.
2. Check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Replace rear lifting motor.
NG >> Replace driver seat control unit.
Telescopic Motor Circuit CheckNIS0026B
1. CHECK STEERING WHEEL TELESCOPIC MECHANISM
Check following.
Operation malfunction caused by steering wheel telescopic mechanism deformation or pinched harness
or other foreign materials
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 “TELESCO MOTOR” in ACTIVE TEST.
OK or NG
OK >> Steering telescopic motor circuit is OK.
NG >> GO TO 3.
Driver
seat con-
trol unit
connectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (–)
B20538
GroundLifting switch (rear) ON
(UP operation)Battery voltage
Other than above 0
39Lifting switch (rear) ON
(DOWN operation)Battery voltage
Other than above 0
PIIB6139E
Test item Description
TELESCO
MOTORThe telescopic motor is activated by receiving the drive signal.
PIIA0277E

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3. CHECK TELESCOPIC MOTOR HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit and tilt motor and telescopic motor connector.
3. Check continuity between automatic drive positioner control unit connector and tilt motor and telescopic
motor connector.
4. Check continuity between automatic drive positioner control unit
connector and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between automatic drive positioner control unit and tilt motor and tele-
scopic motor.
4. CHECK BCM OUTPUT SIGNAL
1. Connect the automatic drive positioner control unit connector.
2. Check voltage between automatic drive positioner control unit connector and ground.
OK or NG
OK >> Replace tilt and telescopic motor.
NG >> Replace automatic drive positioner control unit.
Tilt Motor Circuit CheckNIS0026C
1. CHECK STEERING WHEEL TILT MECHANISM
Check following.
Operation malfunction caused by steering wheel tilt mechanism deformation or pinched harness and
other foreign materials
Operation malfunction and interference with other parts by poor installation
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning part.
AB
Continuity Automatic drive
positioner control
unit connectorTe r m i n a lTelescopic motor
connectorTerminal
M736
M451
Ye s
44 2
A
GroundContinuity Automatic drive posi-
tioner control unit con-
nectorTerminal
M736
No
44
PIIB6140E
Automatic drive
positioner control
unit connectorTerminals
Telescopic switch
conditionVoltage (V)
(Approx.)
(+) (–)
M736
GroundFORWARD Battery voltage
Other than above 0
44BACKWARD Battery voltage
Other than above 0
PIIB6141E