Infiniti M45 (Y34). Manual — part 763
AUTOMATIC DRIVE POSITIONER
SE-73
C
D
E
F
G
H
J
K
L
M
A
B
SE
6.
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 body ground.
OK or NG
OK
>> Check 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
AIS001KA
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 front door switch connector.
3.
Check continuity between driver door switch connector and ground part of door switch.
OK or NG
OK
>> GO TO 3.
NG
>> Replace driver door switch.
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 (R/Y).
3.
Check continuity between BCM connector M4 terminal 142 (R/
Y) and body ground.
OK or NG
OK
>> Replace BCM.
NG
>> Repair or replace harness between BCM and front door
switch (driver side).
Vehicle Speed Signal Inspection
AIS001KB
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
DI-122, "Vehicle Speed Signal Inspection"
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 (R/Y) – 1 (R/Y)
: Continuity should exist.
142 (R/Y) – Ground
: Continuity should not exist.
PIIA3346E
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
SE-51, "ON BOARD DIAGNOSIS FOR AUTOMATIC DRIVE POSI-
.
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 body ground, with
oscilloscope.
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 38 (PU/W).
4.
Check continuity between BCM connector M4 terminal 49 (PU/
W) and body ground.
OK or NG
OK
>> Check meter control unit, refer to
NG
>> Repair or replace harness between BCM and combina-
tion meter.
Seat Memory Switch Circuit Inspection
AIS001KC
1.
CHECK FUNCTION
With CONSULT-II
With “SET SW, MEMORY SW1, MEMORY SW2” on the DATA
MONITOR, 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) – 38 (PU/W)
: Continuity should exist.
49 (PU/W) – Ground
: Continuity should not exist.
PIIA3290E
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
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