air INFINITI FX35 2005 Service Manual
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Revision: 2005 July 2005 FX
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  B153 terminals 4, 12 and reclining motor connector B166 termi- 
nals 4, 12. 
4. Check continuity between driver seat control unit connector  B153 terminals 4, 12 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.
Front Lifting Motor Circuit CheckAIS002XP
1. CHECK FRONT END 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.  4 (G/L) – 4 (G/L) : Continuity should exist. 
12 (G/Y) – 12 (G/Y) : Continuity should exist. 
4 (G/L) – Ground : Continuity should not exist. 
12 (G/Y) – Ground : Continuity should not exist.
PIIA6117E
Connector  Terminals  
(Wire color)  Reclining switch condition  Voltage (V)  
(Approx.) 
(+) (–) 
B153  4 (G/L)  
Ground FORWARD Battery voltage 
Other than above 0 
12 (G/Y)  BACKWARD Battery voltage 
Other than above 0
PIIA6116E 
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2. CHECK FUNCTION 
 With CONSULT-II 
Check operation with “SEAT LIFTER FR” in ACTIVE TEST. 
 Without CONSULT-II 
GO TO 3. 
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  B153 and terminals 5, 13 and front lifting motor connector B164
terminals 5, 13. 
4. Check continuity between driver seat control unit connector  B153 and terminals 5, 13 and ground. 
OK or NG
OK >> GO TO 4. 
NG >> Repair or replace harness between driver seat control unit and front lifting motor.
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.
Test item Description 
SEAT 
LIFTER FR  The front end lifter motor is activated by receiving the drive sig- 
nal.
PIIA0271E
5 (LG) – 5 (LG) : Continuity should exist. 
13 (Y) – 13 (Y) : Continuity should exist. 
5 (LG) – Ground : Continuity should not exist. 
13 (Y) – Ground : Continuity should not exist.
PIIA6120E
Connector  Te r m i n a l s 
 (Wire color)  Front lifting switch condition  Voltage (V)  
(Approx.) 
(+) (–) 
B153  5 (LG) 
Ground DOWN Battery voltage 
Other than above 0 
13 (Y)  UP Battery voltage 
Other than above 0
PIIA6119E 
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Rear Lifting Motor Circuit CheckAIS002XQ
1. CHECK REAR END 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. 
 Without CONSULT-II 
GO TO 3. 
OK or NG
OK >> Rear lifting motor check is OK. 
NG >> GO TO 3.
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  B153 terminals 6, 7 and lifting motor connector B162 terminals
6, 7. 
4. Check continuity between driver seat control unit B153 terminals  6, 7 and ground. 
OK or NG
OK >> GO TO 4. 
NG >> Repair or replace harness between driver seat control unit and rear lifting motor.
Test item Description 
SEAT LIFTER  RR  The rear end lifter motor is activated by receiving the drive sig- 
nal.
PIIA0274E
6 (G/W) – 6 (G/W) : Continuity should exist. 
7 (G/B) – 7 (G/B) : Continuity should exist. 
6 (G/W) – Ground : Continuity should not exist. 
7 (G/B) – Ground : Continuity should not exist.
PIIA6123E 
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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.
Telescopic Motor Circuit CheckAIS002Y9
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. 
 Without CONSULT-II 
GO TO 3. 
OK or NG
OK >> Steering telescopic motor circuit is OK. 
NG >> GO TO 3.
Connector  Te r m i n a l s 
 (Wire color)  Rear lifting switch condition  Voltage (V)  
(Approx.) 
(+) (–) 
B153  6 (G/W) 
Ground UP Battery voltage 
Other than above 0 
7 (G/B)  DOWN Battery voltage 
Other than above 0
PIIA6122E
Test item Description
TELESCO 
MOTOR  The 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 M50 terminals 36, 44 and tilt motor and telescopic 
motor connector M27 terminals 3, 4. 
4. Check continuity between automatic drive positioner control unit  connector M50 terminals 36, 44 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. Telescopic switch operate, 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 CheckAIS002YA
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.  36 (L/R) – 3 (L/R) : Continuity should exist. 
44 (L/W) – 4 (L/W) : Continuity should exist. 
36 (L/R) – Ground :Continuity should not exist. 
44 (L/W) – Ground :Continuity should not exist.
PIIA5066E
Connector  Terminals 
 (Wire color)  Telescopic switch condition  Voltage (V)  
(Approx.) 
(+) (–) 
M50  36 (L/R) 
Ground FORWARD Battery voltage 
Other than above 0 
44 (L/W)  BACKWARD Battery voltage 
Other than above 0
PIIA5068E 
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2. CHECK FUNCTION 
 With CONSULT-II 
Check operation with “TILT MOTOR” in ACTIVE TEST. 
 Without CONSULT-II 
GO TO 3. 
OK or NG
OK >> Steering tilt motor circuit is OK. 
NG >> GO TO 3.
3. CHECK TILT MOTOR CIRCUIT HARNESS CONTINUITY 
1. Turn ignition switch OFF.  
2. Disconnect automatic drive positioner control unit connector and tilt and telescopic motor connector.
3. Check continuity between automatic drive positioner control unit  connector M50 terminals 35, 42 and tilt and telescopic motor
connector M27 terminals 1, 2. 
4. Check continuity between automatic drive positioner control unit  connector M50 terminals 35, 42 and ground. 
OK or NG
OK >> GO TO 4. 
NG >> Repair or replace harness between automatic drive positioner control unit and tilt and telescopic 
motor.
Test item Description 
TILT MOTOR The tilt motor is activated by receiving the drive signal.
PIIA0280E
35 (R/L) – 1 (R/L) : Continuity should exist. 
42 (R/B) – 2 (R/B) : Continuity should exist. 
35 (R/L) – Ground : Continuity should not exist. 
42 (R/B) – Ground : Continuity should not exist.
PIIA5065E 
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4. CHECK BCM OUTPUT SIGNAL 
1. Connect automatic drive positioner control unit connector and tilt and telescopic motor connector. 
2. Tilt switch operate, 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.
Driver Side Mirror Motor Circuit CheckAIS003BU
1. CHECK DOOR MIRROR FUNCTION 
Check the following. 
Operation malfunction caused by a foreign object caught in door mirror face edge. 
OK or NG 
OK >> GO TO 2. 
NG >> Repair the malfunctioning parts, and check the symptom again.
2. CHECK MIRROR MOTOR 
With CONSULT-II 
Check the operation with “MIRROR MOTOR LH” in the ACTIVE TEST.  
Without CONSULT-II 
GO TO 3. 
OK or NG
OK >> Driver side mirror motor circuit is OK. 
NG >> GO TO 3.
Connector  Terminals 
 (Wire color)  Tilt switch condition  Voltage (V)  
(Approx.) 
(+) (–) 
M50  35 (R/L) 
Ground UP Battery voltage 
Other than above 0 
42 (R/B)  DOWN Battery voltage 
Other than above 0
PIIA5067E
Test item Description 
MIRROR MOTOR LH  The LH mirror motor moves the mirror UP/DOWN and  
LEFT/RIGHT by receiving the drive signal.
PIIA4784E 
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3. CHECK DOOR MIRROR MOTOR (DRIVER SIDE) HARNESS CONTINUITY 
1. Turn ignition switch OFF. 
2. Disconnect automatic drive positioner control unit connector and door mirror (driver side) connector.
3. Check continuity between automatic drive positioner control unit  connector M49 terminal 16, 31, 32 and door mirror (driver side) 
connector D2 terminal 8, 9, 10. 
4. Check continuity between automatic drive positioner control unit  connector M49 terminal 16, 31, 32 and ground. 
OK or NG
OK >> GO TO 4. 
NG >> Repair or replace harness between automatic drive positioner control unit and door mirror (driver  side).
4. CHECK MIRROR MOTOR SIGNAL 
1. Connect automatic drive positioner control unit and door mirror (driver side) connector. 
2. Turn ignition switch ACC. 
3. Turn change over switch LH position.
4. Mirror switch operate, check voltage between door mirror (driver side) connector and ground. 
OK or NG
OK >> Replace door mirror motor (driver side). 
NG >> Check the condition of the harness and the connector.
Passenger Side Mirror Motor Circuit CheckAIS003BV
1. CHECK DOOR MIRROR FUNCTION 
Check the following. 
Operation malfunction caused by a foreign object caught in door mirror face edge. 
OK or NG 
OK >> GO TO 2. 
NG >> Repair the malfunctioning parts, and check the symptom again.  16 (P) – 8 (P) : Continuity should exist. 
31 (R/W) – 10 (GY) : Continuity should exist.
32 (G/B) – 9 (PU) : Continuity should exist. 
16 (P) – Ground : Continuity should not exist. 
31 (R/W) – Ground : Continuity should not exist.
32 (G/B) – Ground : Continuity should not exist.
PIIA6131E
Connector  Terminals 
(Wire color)  Mirror switch condition  Voltage (V) 
(Approx.) 
(+) (–) 
D2  8 (P) 
Ground  DOWN or RIGHT Battery voltage 
Other than above 0 
9 (PU)  LEFT Battery voltage  
Other than above 0 
10 (GY)  UP Battery voltage 
Other than above 0
PIIA6130E 
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2. MIRROR MOTOR INSPECTION 
With CONSULT-II 
Check the operation with “MIRROR MOTOR RH” in the ACTIVE TEST.  
Without CONSULT-II 
GO TO 3. 
OK or NG
OK >> Passenger side mirror motor circuit is OK. 
NG >> GO TO 3.
3. CHECK DOOR MIRROR MOTOR (PASSENGER SIDE) HARNESS CONTINUITY 
1. Turn ignition switch OFF. 
2. Disconnect automatic drive positioner control unit connector and door mirror (passenger side) connector.
3. Check continuity between automatic drive positioner control unit  connector M49 terminal 14, 15, 30 and door mirror (passenger
side) connector D32 terminal 8, 9, 10. 
4. Check continuity between automatic drive positioner control unit  connector M49 terminal 14, 15, 30 and ground. 
OK or NG
OK >> GO TO 4. 
NG >> Repair or replace harness between automatic drive positioner control unit and door mirror (pas- 
senger side).
Test item Description 
MIRROR MOTOR RH  The RH mirror motor moves the mirror UP/DOWN and  
LEFT/RIGHT by receiving the drive signal.
PIIA0202E
14 (L/W) – 10 (PU) : Continuity should exist. 
15 (L/B) – 9 (OR) : Continuity should exist.
30 (W/R) – 8 (GY) : Continuity should exist. 
14 (L/W) – Ground : Continuity should not exist. 
15 (L/B) – Ground : Continuity should not exist.
30 (W/R) – Ground : Continuity should not exist.
PIIA6133E 
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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  B152 terminals 18, 28C and sliding motor B161 terminals 18, 
28. 
3. Check continuity between driver seat control unit B152 terminals  18, 28C and ground. 
OK or NG
OK >> Replace sliding motor. 
NG >> Repair or replace harness between driver seat control unit and sliding motor.
Reclining Sensor Circuit CheckAIS002XT
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.  18 (G) – 18 (G) : Continuity should exist. 
28C (B/W) – 28 (B/W) : Continuity should exist. 
18 (G) – Ground : Continuity should not exist. 
28C (B/W) – Ground : Continuity should not exist.
PIIA6106E
Monitor item  
[POERATION or  UNIT]  Contents 
RECLN PULSE  The seat reclining position (pulse) judged from the reclining  
sensor is displayed
PIIA4558E
Connector  Te r m i n a l s   
(Wire color)  Condition  Signal 
(Reference value) 
(+) (–) 
B152 29 (G/L) Ground  Reclining  
motor  
operation
PIIA6107ESIIA0692J