Infiniti G20 (P11). Manual — part 352
FRONT DOOR KEY CYLINDER SWITCH CHECK
=NCEL0110S07
1
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL (LOCK/UNLOCK SIGNAL)
Check voltage between control unit terminals 30 or 41 and ground.
MTBL0155
SEL878V
Refer to wiring diagram in EL-179.
OK or NG
OK
©
Door key cylinder switch is OK.
NG
©
GO TO 2.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
POWER DOOR LOCK
Trouble Diagnoses (Cont’d)
EL-185
2
CHECK DOOR KEY CYLINDER SWITCH
1. Disconnect door key cylinder switch connector.
2. Check continuity between door key cylinder switch terminals.
SEL671W
OK or NG
OK
©
Check the following.
I
Door key cylinder switch ground circuit
I
Harness for open or short between control unit and door key cylinder switch
NG
©
Replace door key cylinder switch.
POWER DOOR LOCK
Trouble Diagnoses (Cont’d)
EL-186
FRONT DOOR UNLOCK SENSOR CHECK
=NCEL0110S09
1
CHECK DOOR UNLOCK SENSOR INPUT SIGNAL
Check voltage between control unit terminals 36 or 37 and ground.
MTBL0157
SEL877V
Refer to wiring diagram in EL-179, 180.
OK or NG
OK
©
Door unlock sensor is OK.
NG
©
GO TO 2.
2
CHECK DOOR UNLOCK SENSOR
1. Disconnect door unlock sensor connector.
2. Check continuity between door unlock sensor terminals 4 and 2.
SEL247VB
Continuity:
Condition: Locked
No
Condition: Unlocked
Yes
OK or NG
OK
©
Check the following.
I
Door unlock sensor ground circuit
I
Harness for open or short between control unit and door unlock sensor
NG
©
Replace door unlock sensor.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
POWER DOOR LOCK
Trouble Diagnoses (Cont’d)
EL-187
DOOR LOCK ACTUATOR CHECK
=NCEL0110S04
1
CHECK DOOR LOCK ACTUATOR CIRCUIT
Check voltage for door lock actuator.
I
Door lock actuator front LH
SEL879V
MTBL0192
I
Door lock actuator front RH and rear
SEL880V
MTBL0193
Refer to wiring diagram in EL-179, 180.
OK or NG
OK
©
GO TO 2.
NG
©
Replace smart entrance control unit. (Before replacing control unit, perform “DOOR
LOCK/UNLOCK SWITCH CHECK”.)
POWER DOOR LOCK
Trouble Diagnoses (Cont’d)
EL-188
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