Infiniti F50. Manual — part 771
AUTOMATIC DRIVE POSITIONER
SE-75
C
D
E
F
G
H
J
K
L
M
A
B
SE
2.
CHECK FUNCTION
With CONSULT-II
With "VHCL SPEED SE" on the DATA MONITOR, Check vehicle
speed signal.
Without CONSULT-II
Carry out the self-diagnosis. Refer to
OK or NG
OK
>> System is OK.
NG
>> GO TO 3.
3.
CHECK VEHICLE SPEED INPUT/OUTPUT
1.
Start the engine.
2.
Check signal between BCM connector and ground, with oscillo-
scope.
OK or NG
OK
>> Replace BCM.
NG
>> GO TO 4.
Monitor item [OPERA-
TION or UNIT]
Contents
VHCL
SPEED SE
"7km/
7km"
The present vehicle speed (less than 7 km/h (4 MPH), or
7 km/h (4 MPH) or higher) is displayed.
PIIA0291E
Connector
Terminals
(Wire color)
Condition
Signal
(+)
(–)
M4
49 (PU/W)
Ground
Vehicle
speed is
approx.40
km/h (25
MPH)
PIIA3289E
PIIA3279E
SE-76
AUTOMATIC DRIVE POSITIONER
4.
CHECK HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect BCM and combination meter connector.
3.
Check continuity between BCM connector M4 terminal 49 (PU/
W) and combination meter connector M41 terminal 18 (PU/W).
4.
Check continuity between BCM connector M4 terminal 49 (PU/
W) and ground.
OK or NG
OK
>> Check meter control unit
.
NG
>> Repair or replace harness between BCM and combina-
tion meter.
Seat Memory Switch Circuit Inspection
EIS00423
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 self-diagnosis function, and operate "Setting switch, memory switch 1, mem-
ory switch 2" to check. Refer to
OK or NG
OK
>> System is OK.
NG
>> GO TO 2.
49 (PU/W) – 18 (PU/W)
: Continuity should exist.
49 (PU/W) – Ground
: Continuity should not exist.
PIIA0308E
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
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.
Check continuity between seat memory switch connector and
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), 50 (R/Y) and seat memory switch connector D3 termi-
nals 1 (G), 2 (OR), 3 (R/Y).
3.
Check continuity between BCM connector M4 terminals 39 (G),
43 (OR/L), 50 (P/L) 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 (B) and ground.
OK or NG
OK
>> Replace BCM.
NG
>> Repair or replace harness between seat memory switch
and ground.
Con–
nector
Terminals
(Wire color)
Condition
Continuity
Terminal
D3
3
4
Set switch: ON
Continuity should exist
Set switch: OFF
Continuity should not exist
1
Memory switch 1 ON
Continuity should exist
Memory switch 1: OFF
Continuity should not exist.
2
Memory switch 2: ON
Continuity should exist
Memory switch 2: OFF
Continuity should not exist.
PIIA4371E
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.
PIIA3293E
SE-78
AUTOMATIC DRIVE POSITIONER
Seat Sliding Switch Circuit Inspection
EIS00424
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 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
ground.
OK or NG
OK
>> System 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) signal
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
(forward operation).
0
Sliding switch OFF.
5
23 (G/W)
Sliding switch ON
(backward operation).
0
Sliding switch OFF.
5
PIIA4150E
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