Infiniti M45 (Y34). Manual — part 764
AUTOMATIC DRIVE POSITIONER
SE-77
C
D
E
F
G
H
J
K
L
M
A
B
SE
2.
CHECK SEAT MEMORY SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect seat memory switch connector.
3.
Operate the setting switch and memory switch.
4.
Check continuity between seat memory switch connector and body ground.
OK or NG
OK
>> GO TO 3.
NG
>> Replace seat memory switch.
3.
CHECK HARNESS CONTINUITY
1.
Disconnect BCM connector.
2.
Check continuity between BCM connector M4 terminals 39 (G),
43 (OR/L), 50 (P/L) and seat memory switch connector D3 ter-
minals 1 (G), 2 (OR/L), 3 (P/L).
3.
Check continuity between BCM connector M4 terminals 39 (G),
43 (OR/L), 50 (P/L) and body ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness between BCM and seat memory switch.
4.
CHECK SEAT MEMORY SWITCH GROUND CIRCUIT
Check continuity at harness between seat memory switch D3 termi-
nal 4 (B) and body ground.
OK or NG
OK
>> Replace BCM.
NG
>> Repair or replace harness between seat memory switch
and body ground.
Terminals
(Wire color)
Condition
Continuity
Con–
nector
Terminal
D3
3 (P/L)
4 (B)
Set switch: ON
Continuity should exist
Set switch: OFF
Continuity should not exist
1 (G)
Memory switch 1 ON
Continuity should exist
Memory switch 1: OFF
Continuity should not exist.
2 (OR/
L)
Memory switch 2: ON
Continuity should exist
Memory switch 2: OFF
Continuity should not exist.
PIIA3291E
39 (G) – 1 (G)
: Continuity should exist.
43 (OR/L) – 2 (OR/L)
: Continuity should exist.
50 (P/L) – 3 (P/L)
: Continuity should exist.
39 (G) – Ground
: Continuity should not exist.
43 (OR/L) – Ground
: Continuity should not exist.
50 (P/L) – Ground
: Continuity should not exist.
PIIA3292E
4 (B) – Ground
: Continuity should exist.
PIIA3293E
SE-78
AUTOMATIC DRIVE POSITIONER
Seat Sliding Switch Circuit Inspection
AIS001KD
1.
CHECK FUNCTION
With CONSULT-II
With “SLIDE SW–FR,SLIDE SW–RR” on the DATA MONITOR, oper-
ate the sliding switch to check ON/OFF operation.
Without CONSULT-II
Carry out “SWITCH MONITOR” in the self-diagnosis function, and operate the sliding switch to check. Refer to
.
OK or NG
OK
>> Replace the driver seat control unit.
NG
>> GO TO 2.
2.
CHECK SLIDING SWITCH INPUT/OUTPUT
1.
Turn ignition switch OFF.
2.
Check voltage between driver seat control unit connector and body ground.
OK or NG
OK
>> Syatem is OK.
NG
>> GO TO 3.
Monitor item [OPER-
ATION or UNIT]
Contents
SLIDE SW–
FR
"ON/
OFF"
ON / OFF status judged from the sliding switch (FR) sig-
nal is displayed.
SLIDE SW–
RR
"ON/
OFF"
ON / OFF status judged from the sliding switch (RR) sig-
nal is displayed.
PIIA0313E
Terminals
(Wire color)
Condition
Voltage (V)
(Approx)
Connector
Terminal
(+)
(–)
B143
17 (Y/R)
Ground
Sliding switch
ON(FR operation)
0
Sliding switch OFF
5
23 (G/W)
Sliding switch
ON(RR operation)
0
Sliding switch OFF
5
PIIA3294E
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 body 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 switch.
OK or NG
OK
>> CO 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 14 (B/W) and body ground.
OK or NG
OK
>> Check the harness and connector.
NG
>> Repair or replace harness between driver seat control
unit 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.
PIIA3295E
Terminals
(Wire color)
Condition
Continuity
Connector
Terminal
(+)
(–)
B143
17 (Y/R)
14 (B/W)
Sliding switch
ON(FR operation)
Yes
Sliding switch OFF
No
23 (G/W)
Sliding switch
ON(RR operation)
Yes
Sliding switch OFF
No
PIIA4477E
14 (B/W) – Ground
: Continuity should exist.
PIIA3297E
SE-80
AUTOMATIC DRIVE POSITIONER
Seat Reclining Switch Inspection
AIS001KE
1.
CHECK FUNCTION
With CONSULT-II
With “RECLINING SW–FR, RECLINING SW–RR” on the DATA
MONITOR, 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.
RECLINING SWITCH INPUT/OUTPUT INSPECTION
1.
Turn ignition switch OFF.
2.
Check voltage between driver seat control unit connector and
body ground.
OK or NG
OK
>> System is OK.
NG
>> GO TO 3.
Monitor item [OPERA-
TION or UNIT]
Contents
RECLN SW
–FR
"ON/
OFF"
ON / OFF status judged from the reclining switch (FR)
signal is displayed.
RECLIN S
W–RR
"ON/
OFF"
ON / OFF status judged from the reclining switch (RR)
signal is displayed.
PIIA0313E
Terminals
(Wire color)
Condition
Voltage (V)
(Approx)
Connector
Terminal
(+)
(–)
B143
18 (GY/B)
Ground
Reclining switch ON
(FR operation)
0
Reclining switch
OFF
5
24 (SB)
Reclining switch ON
(RR operation)
0
Reclining switch
OFF
5
PIIA3299E
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