Infiniti F50. Manual — part 772
AUTOMATIC DRIVE POSITIONER
SE-79
C
D
E
F
G
H
J
K
L
M
A
B
SE
3.
CHECK HARNESS CONTINUITY
1.
Disconnect driver seat control unit connector and power seat switch (driver side) connector.
2.
Check continuity between driver seat control unit connector
B143 terminals 17 (Y/R), 23 (G/W) and driver power seat switch
connector B144 terminals 17 (Y/R), 23 (G/W).
3.
Check continuity between driver seat control unit connector
B143 terminals 17(Y/R), 23 (G/W) and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness between driver seat control unit and power seat switch.
4.
CHECK SLIDING SWITCH
Check continuity between driver seat control unit.
OK or NG
OK
>> GO TO 5.
NG
>> Replace driver power seat switch.
5.
CHECK POWER SEAT SWITCH GROUND CIRCUIT
Check continuity between power seat switch (driver side) connector
B144 terminal 15 (B) and ground.
OK or NG
OK
>> Check the condition of the harness and connector.
NG
>> Repair or replace harness between driver seat switch
and ground.
17 (Y/R) – 17 (Y/R)
: Continuity should exist.
23 (G/W) – 23 (G/W)
: Continuity should exist.
17 (Y/R) – Ground
: Continuity should not exist.
23 (G/W) – Ground
: Continuity should not exist.
PIIA4148E
Terminals
(Wire color)
Condition
Continuity
Connector
Terminal
(+)
(–)
B144
17
15
Sliding switch ON
(forward operation).
Yes
Sliding switch OFF.
No
23
Sliding switch ON
(backward operation).
Yes
Sliding switch OFF.
No
PIIA4380E
15 (B) – Ground
: Continuity should exist.
PIIA3375E
SE-80
AUTOMATIC DRIVE POSITIONER
Seat Reclining Switch System Inspection
EIS00425
1.
CHECK FUNCTION
With CONSULT-II
With "RECLINING SW–FR,RECLINING SWRR" on the DATA MON-
ITOR, operate the reclining switch to check ON/OFF operation.
Without CONSULT-II
Carry out "SWITCH MONITOR" in the self-diagnosis function, and operate the reclining switch to check. Refer
to
.
OK or NG
OK
>> Replace the driver seat control unit.
NG
>> GO TO 2.
2.
CHECK RECLINING SWITCH INPUT/OUTPUT
1.
Turn ignition switch OFF.
2.
Check voltage between driver seat control unit connector and
ground.
OK or NG
OK
>> System is OK.
NG
>> GO TO 3.
Monitor item [OPERA-
TION or UNIT]
Contents
RECLN SW
–FR
"ON/
OFF"
Operation (ON)/open (OFF) status judged from the
reclining switch (FR) signal is displayed.
RECLIN S
W–RR
"ON/
OFF"
Operation (ON)/open (OFF) status judged from the
reclining switch (RR) signal is displayed.
PIIA0313E
Terminals
(Wire color)
Condition
Voltage (V)
(Approx.)
Connector
(+)
(–)
B143
18 (GY/B)
Ground
Reclining switch ON
(forward operation).
0
Reclining switch OFF.
5
24 (SB)
Reclining switch ON
(backward operation).
0
Reclining switch OFF.
5
PIIA4149E
AUTOMATIC DRIVE POSITIONER
SE-81
C
D
E
F
G
H
J
K
L
M
A
B
SE
3.
CHECK HARNESS CONTINUITY
1.
Disconnect driver seat control unit connector and power seat switch (driver side) connector.
2.
Check continuity between driver seat control unit connector
B143 terminals 18 (GY/B), 24 (SB) and power seat switch
(driver side) connector B144 terminals 18 (GY/B), 24 (SB).
3.
Check continuity between driver seat control unit connector
B143 terminals 18 (GY/B), 24 (SB) and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness between driver seat control unit and power seat switch.
4.
CHECK RECLINING SWITCH
Check continuity between driver seat control unit.
OK or NG
OK
>> GO TO 5.
NG
>> Replace power seat switch (driver side).
5.
CHECK POWER SEAT SWITCH GROUND CIRCUIT
Check continuity between power seat switch B144 terminal 15 (B)
and ground.
OK or NG
OK
>> Check the condition of the harness and connector.
NG
>> Repair or replace harness between power seat switch (driver side) and ground.
18 (GY/B) – 18 (GY/B)
:Continuity should exist.
24 (SB) – 24 (SB)
:Continuity should exist.
18 (GY/B) – Ground
:Continuity should not exist.
24 (SB) – Ground
:Continuity should not exist.
PIIA4353E
Terminals
(Wire color)
Condition
Continuity
Connector
(+)
(–)
B144
18 (GY/B)
15 (B)
Reclining switch ON
(forward operation).
Yes
Reclining switch OFF.
No
24 (SB)
Reclining switch ON
(backward operation).
Yes
Reclining switch OFF.
No
PIIA4381E
15 (B) – Ground:
: Continuity should exist.
PIIA3375E
SE-82
AUTOMATIC DRIVE POSITIONER
Front Lifting Switch Circuit Inspection
EIS00426
1.
CHECK FUNCTION
With CONSULT-II
With "LIFT FR SW-UP, LIFT FR SW-DN" on the DATA MONITOR,
operate the front lifting switch to check ON/OFF operation.
Without CONSULT-II
Carry out "SWITCH MONITOR" in the self-diagnosis function, and operate the front lifting switch to check.
Refer to
OK or NG
OK
>> Replace the driver seat control unit.
NG
>> GO TO 2
2.
CHECK FRONT LIFTING SWITCH INPUT/OUTPUT
1.
Turn ignition switch OFF.
2.
Check voltage between driver seat control unit B143 and
ground.
OK or NG
OK
>> System is OK.
NG
>> GO TO 3.
Monitor item [OPERA-
TION or UNIT]
Contents
LIFT FR SW–
DN
"ON/
OFF"
Operation (ON)/open (OFF) status judged from the FR
lifter switch (DOWN) signal is displayed.
LIFT RR SW–
UP
"ON/
OFF"
Operation (ON)/open (OFF) status judged from the RR
lifter switch (UP) signal is displayed.
PIIA0323E
Connector
Terminals
(Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
B143
19 (L/R)
Ground
Front lifting switch ON (UP
operation).
0
Front lifting switch OFF.
5
25 (OR/B)
Front lifting switch ON.
(DOWN operation)
0
Front lifting switch OFF.
5
PIIA4355E
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