Infiniti F50. Manual — part 232
VEHICLE SECURITY (THEFT WARNING) SYSTEM
BL-175
C
D
E
F
G
H
J
K
L
M
A
B
BL
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.
3.
CHECK DOOR UNLOCK SENSOR SIGNAL CIRCUIT
1.
Disconnect door control unit connector.
2.
Check continuity between door control unit and door lock actuator (door unlock sensor).
3.
Check continuity between door control unit and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace malfunctioning harness.
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
Connector
Terminal
(wire color)
Connector
Terminal
(Wire color)
Continuity
Driver side:
D8
6 (G/Y)
D11
2 (G/Y)
Should exist
Passenger
side: D38
13 (G/Y)
D41
Rear LH:
D58
D61
Rear RH:
D78
D81
Connector
Terminal (wire color)
Continuity
Driver side: D8
6 (G/Y)
−
ground
Should not exist
Passenger side: D38
13 (G/Y)
−
ground
Rear LH: D58
Rear RH: D78
PIIA2857E
PIIA4351E
BL-176
VEHICLE SECURITY (THEFT WARNING) SYSTEM
4.
CHECK DOOR UNLOCK SENSOR GROUND CIRCUIT
1.
Turn ignition switch “OFF”.
2.
Disconnect door lock actuator connector.
3.
Check continuity between each door control unit and ground.
OK or NG
OK
>> Replace door lock actuator (door unlock sensor).
NG
>> Repair or replace malfunctioning harness.
Connector
Terminal (wire color)
Continuity
Driver side: D11
4 (B)
−
ground
Should exist
Passenger side: D41
Rear LH: D61
Rear RH: D81
PIIA2859E
VEHICLE SECURITY (THEFT WARNING) SYSTEM
BL-177
C
D
E
F
G
H
J
K
L
M
A
B
BL
Diagnostic Procedure 4
EIS003QE
4–1 CHECK DOOR KEY CYLINDER LOCK SWITCH
1.
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL (LOCK SIGNAL)
With CONSULT-II
Check front door key cylinder switch (driver side) “KEY CYL LK-DR” in “DATA MONITOR” mode with CON-
SULT-II.
Without CONSULT-II
Check voltage between driver door control unit (LCU01) connector
and ground.
OK or NG
OK
>> Front door key cylinder switch (driver side) (lock) is OK.
NG
>> GO TO 2.
“KEY CYL LK-DR” should be “ON” when key inserted
in door key cylinder was turned to lock.
PIIA0350E
Connector
Terminal (wire color)
Key position
Voltage (V)
( + )
( – )
D8
10(GY)
Ground
Neutral/Unlock
Approx.5
Lock
0
PIIA2805E
BL-178
VEHICLE SECURITY (THEFT WARNING) SYSTEM
2.
CHECK DOOR KEY CYLINDER SWITCH
1.
Turn ignition switch “OFF”.
2.
Disconnect front door key cylinder switch (driver side) connector.
3.
Check continuity between front door key cylinder switch (driver side) terminals.
OK or NG
OK
>> Check the following.
●
Front door key cylinder switch (driver side) ground cir-
cuit
●
Harness for open or short between driver door control
unit (LCU01) and front door key cylinder switch (driver
side)
NG
>> Replace front door key cylinder switch (driver side).
Terminal
Condition
Continuity
2
−
3
Neutral/Unlock
No
Lock
Yes
PIIA2853E
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