Nissan Sentra. Manual — part 288
DLK-268
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
REMOTE KEYLESS ENTRY RECEIVER
REMOTE KEYLESS ENTRY RECEIVER
Description
INFOID:0000000009756585
Receives keyfob operation and transmits to BCM.
Component Function Check
INFOID:0000000009756586
1.
CHECK FUNCTION
With CONSULT
Check remote keyless entry receiver KEYLESS LOCK, KEYLESS UNLOCK, and KEYLESS PANIC in Data
Monitor mode with CONSULT.
Is the inspection result normal?
YES
>> Remote keyless entry receiver is OK.
NO
>> Refer to
DLK-268, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000009756587
Regarding Wiring Diagram information, refer to
.
1.
CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Check signal between remote keyless entry receiver connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> GO TO 7
Monitor item
Condition
KEYLESS LOCK
Checks whether value changes from "Off" to "On" when operating keyfob lock button.
KEYLESS UNLOCK
Checks whether value changes from "Off" to "On" when operating keyfob unlock button.
KEYLESS PANIC
Checks whether value changes from "Off" to "On" when operating keyfob panic button.
Terminals
Condition
Signal
(Reference value)
(+)
(–)
Remote keyless entry
receiver connector
Terminal
M131
2
Ground
Key inserted into ignition key cylinder
0 V
Waiting
When signal is received
PIIB7728J
PIIB7729J
REMOTE KEYLESS ENTRY RECEIVER
DLK-269
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
NO
>> GO TO 2
2.
CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY
1. Disconnect remote keyless entry receiver connector.
2. Check signal between remote keyless entry receiver connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> GO TO 3
3.
CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 1
1. Disconnect BCM connector.
2. Check continuity between BCM connector and remote keyless entry receiver connector.
3. Check continuity between BCM connector and ground.
Is the inspection result normal?
YES
>> Reconnect BCM, GO TO 4
NO
>> Repair or replace harness between BCM and remote keyless entry receiver.
4.
CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT
Check continuity between remote keyless entry receiver connector and ground.
Is the inspection result normal?
YES
>> GO TO 6
NO
>> GO TO 5
5.
CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 2
Check continuity between BCM connector and remote keyless entry receiver connector.
Terminals
Condition
Signal
(Reference value)
(+)
(–)
Remote keyless en-
try receiver connec-
tor
Terminal
M131
4
Ground
Key inserted into ignition key cylinder
0 V
Key removed from ignition key cylinder
(Any door open)
5 V
Key removed from ignition key cylinder
(Any door closed)
JPMIA0338JP
BCM connector
Terminal
Remote keyless entry
receiver
connector
Terminal
Continuity
M21
19
M131
4
Yes
BCM connector
Terminal
Ground
Continuity
M21
19
No
Remote keyless entry
receiver
connector
Terminal
Ground
Continuity
M131
1
Yes
DLK-270
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
REMOTE KEYLESS ENTRY RECEIVER
Is the inspection result normal?
YES
>> GO TO 7
NO
>> Repair or replace harness between BCM and remote keyless entry receiver.
6.
CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 3
1. Check continuity between BCM connector and remote keyless entry receiver connector.
2. Check continuity between BCM connector and ground.
Is the inspection result normal?
YES
>> GO TO 7
NO
>> Repair or replace harness between BCM and remote keyless entry.
7.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
>> Inspection End.
BCM
connector
Terminal
Remote keyless entry
receiver
connector
Terminal
Continuity
M21
18
M131
1
Yes
BCM
connector
Terminal
Remote keyless entry
receiver
connector
Terminal
Continuity
M21
20
M131
2
Yes
BCM connector
Terminal
Ground
Continuity
M21
20
No
KEYFOB BATTERY AND FUNCTION
DLK-271
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
KEYFOB BATTERY AND FUNCTION
Description
INFOID:0000000009756588
The following functions are available when having and carrying the keyfob.
• Door lock/unlock
• Panic mode (horn and headlamp operation)
Remote control entry function and panic alarm function are available when operating the remote buttons.
Component Function Check
INFOID:0000000009756589
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
• Check keyfob relative signal strength
• Confirm vehicle antenna signal strength
1.
CHECK FUNCTION
With CONSULT
Check remote keyless entry receiver KEYLESS LOCK, KEYLESS UNLOCK, and KEYLESS PANIC in Data
Monitor mode with CONSULT.
Is the inspection result normal?
YES
>> Keyfob is OK.
NO
>> Refer to
DLK-271, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000009756590
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
• Check keyfob relative signal strength
• Confirm vehicle antenna signal strength
1.
CHECK KEYFOB FUNCTION
Check keyfob function using Signal Tech II Tool J-50190 or Remote
Keyless Entry Tester J-43241 (shown).
Does the test pass?
YES
>> Keyfob is OK.
NO
>> GO TO 2
2.
CHECK KEYFOB COMPONENTS
Monitor item
Condition
KEYLESS LOCK
Checks whether value changes from "Off" to "On" when operating keyfob lock button.
KEYLESS UNLOCK
Checks whether value changes from "Off" to "On" when operating keyfob unlock button.
KEYLESS PANIC
Checks whether value changes from "Off" to "On" when operating keyfob panic button.
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