Infiniti G20 (P11). Manual — part 364
DOOR UNLOCK SENSOR CHECK
=NCEL0123S06
1
CHECK DOOR UNLOCK SENSOR INPUT SIGNAL
Check voltage between control unit terminals 26, 36 or 37 and ground.
MTBL0163
SEL937V
Refer to wiring diagram in EL-219.
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.
SEL938V
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
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Trouble Diagnoses (Cont’d)
EL-233
DOOR KEY CYLINDER SWITCH CHECK
=NCEL0123S07
1
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL (LOCK/UNLOCK SIGNAL)
Check voltage between control unit terminals 30 or 41 and ground.
MTBL0164
SEL939V
Refer to wiring diagram in EL-221.
OK or NG
OK
©
Door key cylinder switch is OK.
NG
©
GO TO 2.
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Trouble Diagnoses (Cont’d)
EL-234
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.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Trouble Diagnoses (Cont’d)
EL-235
TRUNK LID KEY CYLINDER SWITCH CHECK
=NCEL0123S08
1
CHECK TRUNK LID KEY CYLINDER SWITCH INPUT SIGNAL (UNLOCK SIGNAL)
Check voltage between control unit terminal 42 and ground.
MTBL0166
SEL941V
Refer to wiring diagram in EL-221.
OK or NG
OK
©
Trunk lid key cylinder switch is OK.
NG
©
GO TO 2.
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Trouble Diagnoses (Cont’d)
EL-236
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