Infiniti F50. Manual — part 770
AUTOMATIC DRIVE POSITIONER
SE-71
C
D
E
F
G
H
J
K
L
M
A
B
SE
3.
CHECK HARNESS
1.
Disconnect BCM connector and tilt sensor connector.
2.
Check continuity harness between BCM connector M4 terminals 46 (P/L), 53 (L/W), 54 (LG/B) and tilt
sensor connector M57 terminals 1 (LG/B), 2 (P/L), 3 (L/W).
3.
BCM connector M4 terminals 46 (P/L), 53 (L/W), 54 (LG/B) and
ground.
OK or NG
OK
>> Replace tilt sensor.
NG
>> Repair or replace harness between BCM and tilt sensor.
Key Switch and Key Lock Solenoid Circuit Inspection.
EIS0043N
1.
CHECK KEY SWITCH AND KEY LOCK SOLENOID
With CONSULT-II
With "IGN KEY SW" on the DATA MONITOR, Check ON/OFF opera-
tion.
Without CONSULT-II
Check voltage between BCM connector ground.
OK or NG
OK
>> System is OK.
NG
>> GO TO 2.
46 (P/L) – 2 (P/L)
: Continuity should exist.
53 (L/W) – 3 (L/W)
: Continuity should exist.
54 (LG/B) – 1 (LG/B)
: Continuity should exist.
46 (P/L) – Ground
: Continuity should not exist.
53 (L/W) – Ground
: Continuity should not exist.
54 (LG/B) – Ground
: Continuity should not exist.
PIIA3285E
Monitor item [OPERA-
TION or UNIT]
Contents
IGN KEY SW
"ON/
OFF"
Key inserted (ON)/key removed (OFF) status judged from
the key detection switch is displayed.
PIIA0298E
Connector
Terminals
(Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
M4
69 (PU/W)
ground
Remove the
key
0
ground
Insert the key
Battery voltage
PIIA0302E
SE-72
AUTOMATIC DRIVE POSITIONER
2.
CHECK FUSE
Check if any of the following fuses is blown.
NOTE:
Refer to
SE-17, "Component Parts and Harness Connector Location"
.
OK or NG
OK
>> GO TO 3.
NG
>> If fuse is blown, be sure to eliminate cause of problem before installing new fuse. Refer to
"Component Parts and Harness Connector Location"
3.
KEY SWITCH AND KEY LOCK SOLENOID POWER SUPPLY CIRCUIT INSPECTION
1.
Turn ignition switch OFF,
2.
Check voltage between “key switch and key lock solenoid” con-
nector M64 terminal 3 (LG) and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Check harness between “key switch and key lock sole-
noid” and fuse.
4.
CHECK KEY SWITCH
1.
Disconnect key switch connector.
2.
Check continuity between key switch.
OK or NG
OK
>> GO TO 5.
NG
>> Replace key switch and key lock solenoid (key switch) switch.
Power source
Fuse No.
Unit
BAT power supply
#8 (10A)
Fuse block (J/B) No. 1
3 (LG) – Ground
: Battery voltage.
PIIA3286E
Connector
Terminals
Condition
Continuity
M64
3 – 4
Key is inserted in ignition key cylinder.
YES
Key is removed from ignition key cylinder.
NO
PIIA3044E
AUTOMATIC DRIVE POSITIONER
SE-73
C
D
E
F
G
H
J
K
L
M
A
B
SE
5.
CHECK HARNESS CONTINUITY
1.
Disconnect “key switch and key lock solenoid” connector and BCM connector.
2.
Check continuity between key switch and key lock solenoid connector M64 terminal 4 (PU/W) and BCM
connector M4 terminal 69 (PU/W).
3.
Check continuity between key switch and key lock solenoid con-
nector M64 terminal 4 (PU/W) and ground.
OK or NG
OK
>> Check the condition of the harness and connector.
NG
>> Repair or replace harness between key switch and key
lock solenoid and BCM.
Front Door Switch (Driver Side) Circuit Inspection.
EIS00421
1.
CHECK FUNCTION
With CONSULT-II
With "DOOR SW DR" on the DATA MONITOR, check ON/OFF oper-
ation when the driver door is open and closed.
Without CONSULT-II
Carry out "SWITCH MONITOR" in the self-diagnosis function, and open and close the driver door to check.
Refer to
.
OK or NG
OK
>> System is OK.
NG
>> GO TO 2.
4 (PU/W) – 69 (PU/W)
: Continuity should exist.
4 (PU/W) – Ground
: Continuity should not exist.
PIIA3287E
Monitor item [OPERA-
TION or UNIT]
Contents
DOOR SW
DR
"ON/
OFF"
Door open (ON)/door closed (OFF) status judged from
the driver door switch is displayed.
PIIA0291E
SE-74
AUTOMATIC DRIVE POSITIONER
2.
CHECK FRONT DOOR SWITCH (DRIVER SIDE)
1.
Turn ignition switch OFF.
2.
Disconnect door switch (driver side) connector.
3.
Check continuity between (driver side) door switch connector and ground part of door switch.
OK or NG
OK
>> GO TO 3.
NG
>> Replace door switch (driver side).
3.
CHECK HARNESS CONTINUITY
1.
Disconnect BCM connector.
2.
Check continuity between BCM connector M4 terminal 142 (R/
Y) and front door switch connector B20 terminal 1 (W/R).
3.
Check continuity between BCM connector M4 terminal 142 (W/
R) and ground.
OK or NG
OK
>> Replace BCM.
NG
>> Repair or replace harness between BCM and front door
switch (driver side).
Vehicle Speed Signal Inspection
EIS00422
1.
CHECK SYMPTOM
Check that the speedometer in the combination meter operates normally.
OK or NG
OK
>> GO TO 2.
NG
>> Check vehicle speed signal. Refer to
Connec-
tor
Terminals
(Wire color)
Condition
Continuity
(+)
(–)
B20
1
Ground part of
door switch
With the front door
switch (driver side)
pressed.
NO
With the front door
switch (driver side)
released.
YES
PIIA3351E
142 (W/R) – 1 (W/R)
: Continuity should exist.
142 (W/R) – Ground
: Continuity should not exist.
PIIA3346E
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