Infiniti Q45. Manual — part 830
AUTOMATIC DRIVE POSITIONER
SE-75
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Check Seat Memory Switch Circuit
NIS00136
1.
CHECK FUNCTION
With CONSULT-II
With "SET SW,MEMORY SW1 MEMORY SW2" on the DATA MONI-
TOR, operate the switch to check ON/OFF operation.
Without CONSULT-II
Carry out "switch monitor" in the on-board diagnosis function, and operate "Setting switch, memory switch 1,
memory switch 2" to check. Refer to
OK or NG
OK
>> System is OK.
NG
>> GO TO 2.
2.
CHECK SEAT MEMORY SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect seat memory switch connector.
3.
Check continuity between seat memory switch connector and
ground.
OK or NG
OK
>> GO TO 3.
NG
>> Replace seat memory switch.
Monitor item
[OPERATION or UNIT]
Contents
MEMORY SW1
"ON/OFF"
ON / OFF status judged from the seat
memory switch 1 signal is displayed.
MEMORY SW2
"ON/OFF"
ON/OFF status judged from the seat
memory switch 2 signal is displayed.
SET SW
"ON/OFF"
ON/OFF status judged from the setting
switch signal is displayed.
PIIA0309E
Connector
Terminals
Condition
Continuity
D3
3
4
Set switch: ON
Yes
Set switch: OFF
No
1
Memory switch 1 ON
Yes
Memory switch 1: OFF
No
2
Memory switch 2: ON
Yes
Memory switch 2: OFF
No
PIIA4371E
SE-76
AUTOMATIC DRIVE POSITIONER
3.
CHECK HARNESS CONTINUITY
1.
Disconnect BCM connector.
2.
Check continuity between BCM connector M4 terminals 39, 43,
50 and seat memory switch connector D3 terminals 1, 2, 3.
3.
Check continuity between BCM connector M4 terminals 39, 43,
50 and 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 and ground.
OK or NG
OK
>> Replace BCM.
NG
>> Repair or replace harness between seat memory switch
and ground.
Check Sliding Switch Circuit
NIS00137
1.
CHECK FUNCTION
With CONSULT-II
With “SLIDE SW–FR,SLIDE SWRR” on the DATA MONITOR, oper-
ate the sliding switch to check ON/OFF operation.
Without CONSULT-II
Carry out "SWITCH MONITOR" in the on-board 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.
39 (G) – 1 (G)
: Continuity should exist.
43 (OR) – 2 (OR)
: Continuity should exist.
50 (R/Y) – 3 (R/Y)
: Continuity should exist.
39 (G) – Ground
: Continuity should not exist.
43 (OR) – Ground
: Continuity should not exist.
50 (R/Y) – Ground
: Continuity should not exist.
PIIA4356E
4 (B) – Ground
: Continuity should exist.
PIIB1746E
Monitor item
[OPERATION or UNIT]
Contents
SLIDE SW – FR
"ON/
OFF"
ON /OFF status judged from the sliding switch (FR)
signal is displayed.
SLIDE SW – RR
"ON/
OFF"
ON / OFF status judged from the sliding switch (RR)
signal is displayed.
PIIA0313E
AUTOMATIC DRIVE POSITIONER
SE-77
C
D
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F
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B
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2.
CHECK SLIDING 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.
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, 23 and driver power seat switch connector
B144 terminals 17, 23.
3.
Check continuity between driver seat control unit connector
B143 terminals 17, 23 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 connector B144
terminal 17, 23 and 15.
OK or NG
OK
>> GO TO 5.
NG
>> Replace driver power seat switch.
Connector
Terminals
(Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
B143
17 (Y/R)
Ground
Sliding switch ON
(forward operation)
0
Sliding switch OFF
5
23 (G/W)
Sliding switch ON
(backward operation)
0
Sliding switch OFF
5
PIIA4150E
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
Connector
Terminals
Condition
Continuity
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
SE-78
AUTOMATIC DRIVE POSITIONER
5.
CHECK POWER SEAT SWITCH GROUND CIRCUIT
Check continuity between power seat switch (driver side) connector
B144 terminal 15 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.
Check Reclining Switch System
NIS00138
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 on-board 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.
15 (B) – Ground
: Continuity should exist.
PIIA3375E
Monitor item
[OPERATION or UNIT]
Contents
RECLN SW – FR
"ON/
OFF"
Operation (ON)/open (OFF) status judged from the
reclining switch (FR) signal is displayed.
RECLN SW – RR
"ON/
OFF"
Operation (ON)/open (OFF) status judged from the
reclining switch (RR) signal is displayed.
PIIA0313E
Connector
Terminals
(Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
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
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