Infiniti Q45. Manual — part 826
AUTOMATIC DRIVE POSITIONER
SE-59
C
D
E
F
G
H
J
K
L
M
A
B
SE
3.
CHECK 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 B142 terminals 4, 6 and lifting motor connec-
tor B149 terminals 4, 6.
4.
Check continuity between driver seat control unit B142 terminals
4, 6 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 driver seat control unit and rear lifting motor.
2.
Check voltage between driver seat control unit connector.
OK or NG
OK
>> Replace rear lifting motor.
NG
>> Replace driver seat control unit.
Check Telescopic Motor Circuit
NIS0012U
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.
4 (Y) – 4 (Y)
: Continuity should exist.
6 (PU) – 6 (PU)
: Continuity should exist.
4 (Y) – Ground
:Continuity should not exist.
6 (PU) – Ground
:Continuity should not exist.
PIIA2927E
Connector
Terminals
(Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
B142
6 (PU)
Ground
Rear end lifting switch
(UP operation)
Battery voltage
Rear end lifting switch OFF
0
4 (Y)
Rear end lifting switch
(DOWN operation)
Battery voltage
Rear end lifting switch OFF
0
PIIA4898E
SE-60
AUTOMATIC DRIVE POSITIONER
2.
CHECK FUNCTION
With CONSULT-II
Check operation with "TELESCO MOTOR" in ACTIVE TEST.
Without CONSULT-II
Perform the on-board diagnosis. Refer to
SE-50, "ON BOARD DIAGNOSIS FOR AUTOMATIC DRIVE POSI-
OK or NG
OK
>> System is OK.
NG
>> GO TO 3.
3.
CHECK HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect BCM and telescopic motor connector.
3.
Check continuity between BCM connector M4 terminals 101, 107 and telescopic motor connector M60
terminals 1, 2.
4.
Check continuity between BCM connector M4 terminals 101,
107 and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness between BCM and telescopic
motor.
Test item
Description
TELESCO
MOTOR
The telescopic motor is activated by receiving the drive signal.
PIIA0277E
101 (R/W) – 1 (R/W)
: Continuity should exist.
107 (R) – 2 (R)
: Continuity should exist.
101 (R/W) – Ground
:Continuity should not exist.
107 (R) – Ground
:Continuity should not exist.
PIIA2929E
AUTOMATIC DRIVE POSITIONER
SE-61
C
D
E
F
G
H
J
K
L
M
A
B
SE
4.
CHECK BCM OUTPUT SIGNAL
1.
Connect the BCM connector and telescopic motor connector.
2.
Check voltage between BCM connector.
OK or NG
OK
>> Replace telescopic motor.
NG
>> Replace BCM.
Check Tilt Motor Circuit
NIS0012V
1.
CHECK STEERING WHEEL TILT MECHANISM
Check following.
●
Operation malfunction caused by steering wheel tilt 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 "TILT MOTOR" in ACTIVE TEST.
Without CONSULT-II
Perform the on-board diagnosis. Refer to
SE-50, "ON BOARD DIAGNOSIS FOR AUTOMATIC DRIVE POSI-
.
OK or NG
OK
>> System is OK.
NG
>> GO TO 3.
Connector
Terminals
(Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
M4
101 (R/W)
Ground
Telescopic switch
(forward operation)
Battery voltage
Telescopic switch OFF
0
107 (R)
Telescopic switch
(backward operation)
Battery voltage
Telescopic switch OFF
0
PIIA4384E
Test item
Description
TILT MOTOR
The tilt motor is activated by receiving the drive signal.
PIIA0280E
SE-62
AUTOMATIC DRIVE POSITIONER
3.
CHECK HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector and tilt motor connector.
3.
Check continuity between BCM connector M4 terminals 102, 103 and tilt motor connector M58 terminals
1, 2.
4.
Check continuity between BCM connector M4 terminals 102,
103 and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness between BCM and tilt motor.
4.
CHECK BCM OUTPUT SIGNAL
1.
Connect BCM connector and tilt motor connector.
2.
Check voltage between BCM connector.
OK or NG
OK
>> Replace tilt motor.
NG
>> Replace BCM.
102 (W) – 2 (W)
: Continuity should exist.
103 (Y) – 1 (Y)
: Continuity should exist.
102 (W) – Ground
:Continuity should not exist.
103 (Y) – Ground
:Continuity should not exist.
PIIA3266E
Connector
Terminals
(Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
M4
102 (W)
Ground
Tilt switch
(DOWN operation)
Battery voltage
Tilt switch OFF
0
103 (Y)
Tilt switch
(UP operation)
Battery voltage
Tilt switch OFF
0
PIIA4385E
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