Infiniti FX35 / FX45. Manual — part 931
SE-82
< SERVICE INFORMATION >
AUTOMATIC DRIVE POSITIONER
• When voltage signal dose not appear with a constant voltage (approx. 5V), replace automatic
driver seat control unit.
• When voltage signal dose not appear with a constant voltage (approx. 0V), replace driver seat
control unit.
4.
CHECK DRIVER SEAT CONTROL UNIT
Dose the automatic drive positioner operate, when the driver seat control unit exchanged?
Does seat memory function operate?
YES
>> Replace automatic drive positioner control unit.
NG
>> Replace driver seat control unit.
Check Lumbar Support Circuit
INFOID:0000000001328144
1.
CHECK LUMBAR SUPPORT SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect lumbar support switch connector.
3.
Check voltage between lumbar support switch connector B158
terminal 1 and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace harness between fuse block (J/B) and
lumbar support switch.
2.
CHECK LUMBAR SUPPORT SWITCH
Lumbar support switch operate, check continuity lumbar support switch connector B158 terminal 31, 32 and 1,
16B.
OK or NG
OK
>> GO TO 3.
NG
>> Replace lumbar support switch.
3.
CHECK LUMBAR SUPPORT MOTOR HARNESS
1.
Disconnect lumbar support motor connector.
2.
Check continuity between lumbar support switch connector
B158 terminal 31, 32 and lumbar support motor connector B172
terminal 31, 32.
3.
Check continuity between lumbar support switch connector
B158 terminal 31, 32 and ground.
1 (R) – Ground:
: Battery voltage
PIIB8600E
Con-
nector
Terminal
Lumbar support switch
condition
Continuity
B158
31
1
BACKWARD
Yes
16B
Other than above
No
32
1
FORWARD
Yes
16B
Other than above
No
PIIB8601E
31 (W)
−
31 (W)
: Continuity should exist.
32 (L)
−
32 (L)
: Continuity should exist.
31 (W)
−
Ground
: Continuity should not exist.
32 (L)
−
Ground
: Continuity should not exist.
PIIB8602E
AUTOMATIC DRIVE POSITIONER
SE-83
< SERVICE INFORMATION >
C
D
E
F
G
H
J
K
L
M
A
B
SE
N
O
P
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness between lumbar support switch and lumbar support motor.
4.
CHECK LUMBAR SUPPORT SWITCH GROUND CIRCUIT
Check continuity between lumbar support switch connector B158
terminal 16B and ground.
OK or NG
OK
>> Check the condition of the harness and connector.
NG
>> Repair or replace harness between lumbar support
switch and ground.
16B (B) – Ground
: Continuity should exist.
PIIB8603E
SE-84
< SERVICE INFORMATION >
POWER SEAT
POWER SEAT
Wiring Diagram - SEAT -
INFOID:0000000001328145
TIWM1705E
POWER SEAT
SE-85
< SERVICE INFORMATION >
C
D
E
F
G
H
J
K
L
M
A
B
SE
N
O
P
TIWM1717E
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