Infiniti F50. Manual — part 200
POWER DOOR LOCK SYSTEM
BL-47
C
D
E
F
G
H
J
K
L
M
A
B
BL
2.
CHECK DOOR KEY CYLINDER SWITCH
Check continuity between door key cylinder switch connector terminal.
OK or NG
OK
>> Check the following.
●
Harness between front key cylinder switch and driver
door control unit
●
Harness between front key cylinder switch and ground
NG
>> Replace front door key cylinder switch.
Check Key Switch
EIS003OE
1.
CHECK KEY SWITCH
With CONSULT-II
Check key switch “IGN KEY SW” in “DATA MONITOR” mode with CONSULT-II.
Without CONSULT-II
Check voltage between BCM connector M4 terminal 69 (PU/W) and ground.
OK or NG
OK
>> Key switch is OK.
NG
>> GO TO 2.
Terminals
Condition
Continuity
1 – 2
Key is turned to UNLOCK
Yes
Key is turned to LOCK or neutral.
No
2 – 3
Key is turned to LOCK.
Yes
Key is turned to UNLOCK or neutral.
No
PIIA3148E
Key is inserted in ignition
key cylinder
: IGN KEY SW ON
Key is removed from ignition
key cylinder
: IGN KEY SW OFF
PIIA4243E
Connector
Terminal
(Wire color)
Condition
Voltage (V)
(Approx.)
( + )
( – )
M4
69 (PU/W)
Ground
Key is inserted
Battery voltage
Key is removed
0
PIIA2820E
BL-48
POWER DOOR LOCK SYSTEM
2.
CHECK KEY SWITCH CIRCUIT
1.
Disconnect key switch connector.
2.
Check continuity between BCM connector M4 terminal 69 (PU/W) and key switch connector M64 terminal
4 (PU/W).
3.
Check continuity between BCM connector M4 terminal 69 (PU/
W) and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness.
3.
CHECK KEY SWITCH
Check continuity key switch terminal.
OK or NG
OK
>> Check the following.
●
10A fuse [No. 8, located in fuse block (J/B) No. 1]
●
Harness for open or short between key switch and
fuse
NG
>> Replace key switch.
Check Front Door Switch
EIS00413
1.
CHECK FRONT DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check front door switch (“DOOR SW-DR” and “DOOR SW-AS”) in “DATA MONITOR” mode with CONSULT-II.
Without CONSULT-II
Check front door switch in “SWITCH MONITOR” mode.Refer to
.
OK or NG
OK
>> Front door switch is OK.
NG
>> GO TO 2
69 (PU/W) – 4 (PU/W)
: Continuity should exist.
69 (PU/W) – Ground
: Continuity should not exist.
PIIA2821E
Terminal
Condition of key switch
Continuity
3 – 4
Key is inserted in ignition key cylinder.
Yes
Key is removed from ignition key cylinder.
No
PIIA3044E
Monitor item
Condition
DOOR SW-DR
OPEN
: ON
CLOSE
: OFF
DOOR SW-AS
OPEN
: ON
CLOSE
: OFF
PIIA2464E
POWER DOOR LOCK SYSTEM
BL-49
C
D
E
F
G
H
J
K
L
M
A
B
BL
2.
CHECK FRONT DOOR SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect front door switch connector and BCM connector.
3.
Check continuity between front door switch connector B20 (driver side), B220 (passenger side) terminal 1
(W/R, W/G) and BCM connector M4 (passenger), B4 (driver) terminal 37 (W/G), 142 (W/R).
4.
Check continuity between front door switch connector B20
(driver side), B220 (passenger side) terminal 1(W/R, W/G) and
ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness.
3.
CHECK FRONT DOOR SWITCH
Check continuity between front door switch connector B20 (driver
side), B220 (passenger side) terminal 1 and ground part of door
switch.
OK or NG
OK
>> Check door switch case ground.
NG
>> Replace malfunction front door switch.
Driver side door switch
1 (W/R) – 142 (W/G)
: Continuity should exist.
Passenger side door switch
1 (W/G) – 37 (W/G)
: Continuity should exist.
Each door switch
1 (W/R, W/G) – Ground
: Continuity should not exist.
PIIA3118E
Terminal
Front door switch
Continuity
1
Ground part of
door switch
Pushed
NO
Released
YES
PIIA3351E
BL-50
POWER DOOR LOCK SYSTEM
Check Door Unlock Sensor
EIS00415
1.
CHECK DOOR UNLOCK SENSOR INPUT SIGNAL
With CONSULT-II
Check door unlock sensor “LOCK SIG” in “DATA MONITOR” mode with CONSULT-II.
Without CONSULT-II
Check door lock knob operation in Switch monitor mode.
Refer to Remote keyless entry system
.
OK or NG
OK
>> Door unlock sensor is OK.
NG
>> GO TO 2.
2.
CHECK DOOR UNLOCK SENSOR INPUT SIGNAL
1.
Turn ignition switch “OFF”.
2.
Disconnect door lock actuator connector.
3.
Check voltage between each door control unit and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Replace malfunctioning door control unit.
When door is locked
: LOCK SIG LOCK
When door is unlocked
: LOCK SIG UNLK
PIIA2803E
Door control unit connector
Terminal (Wire color)
Voltage (V)
Front door
Driver side: D8
6 (G/Y)
−
ground
Approx. 5
Passenger side: D38
13 (G/Y)
−
ground
Rear door
LH: D58
RH: D78
PIIA4466E
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