Nissan Pathfinder. Manual — part 348
DLK-158
< DTC/CIRCUIT DIAGNOSIS >
B26FE HOOD SWITCH
B26FE HOOD SWITCH
DTC Logic
INFOID:0000000009175696
DTC DETECTION LOGIC
NOTE:
• If DTC B26FE is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC B26FE is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check Self Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES
>> Refer to
DLK-158, "Diagnosis Procedure"
NO
>> Hood switch is OK.
Diagnosis Procedure
INFOID:0000000009175697
Regarding Wiring Diagram information, refer to
.
1.
CHECK HOOD SWITCH SIGNAL CIRCUITS
1. Turn ignition switch OFF.
2. Disconnect hood switch connector.
3. Check voltage between hood switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK HOOD SWITCH SIGNAL CIRCUITS
1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R harness connector and hood switch harness connector.
DTC
CONSULT display
description
DTC detecting condition
Possible cause
B26FE
HOOD SWITCH
BCM detects that the hood switch input is malfunc-
tioning.
• Hood switch
• Harness or connector
[hood switch circuit is open or
shorted]
(+)
(–)
Voltage (V)
(Approx.)
Hood switch
Connector
Terminal
E205
1
Ground
Battery voltage
2
IPDM E/R
Hood switch
Continuity
Connector
Terminal
Connector
Terminal
E218
94
E205
1
Yes
96
2
B26FE HOOD SWITCH
DLK-159
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
3. Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-32, "Removal and Installation"
.
NO
>> Repair or replace harness.
3.
CHECK HOOD SWITCH GROUND CIRCUIT
Check continuity between hood switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK HOOD SWITCH
DLK-159, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace hood switch. Refer to
DLK-299, "HOOD LOCK RELEASE CABLE : Removal and Instal-
.
5.
CHECK BCM CONFIGURATION
BCS-66, "CONFIGURATION (BCM) : Configuration List"
>> Inspection End.
Component Inspection
INFOID:0000000009175698
1.
CHECK HOOD SWITCH
1. Turn ignition switch OFF.
2. Disconnect hood switch connector.
3. Check continuity between hood switch terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace hood switch. Refer to
DLK-299, "HOOD LOCK RELEASE CABLE : Removal and Instal-
.
IPDM E/R
Ground
Continuity
Connector
Terminal
E218
94
No
96
Hood switch
Ground
Continuity
Connector
Terminal
E205
3
Yes
Hood switch
Condition
Continuity
Terminal
1
3
Hood switch
Press
No
1
3
Hood switch
Release
Yes
2
3
Hood switch
Press
No
2
3
Hood switch
Release
Yes
DLK-160
< DTC/CIRCUIT DIAGNOSIS >
B26FF REMOTE KEYLESS ENTRY RECEIVER
B26FF REMOTE KEYLESS ENTRY RECEIVER
DTC Logic
INFOID:0000000009175699
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check DTC in “Self-Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> Refer to
DLK-160, "Diagnosis Procedure"
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009175700
Regarding Wiring Diagram information, refer to
.
1.
CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Check signal between BCM harness connector and ground using oscilloscope.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-80, "Removal and Installation"
NO
>> GO TO 2.
2.
CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 1
1. Disconnect BCM and remote keyless entry receiver connectors.
2. Check continuity between BCM harness connector and remote keyless entry receiver harness connector.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B26FF
INTELLIGENT TUNER
COMMUNICATION FAIL
Inactive communication between BCM and re-
mote keyless entry receiver.
• Harness or connector
• Remote keyless entry receiver
• BCM
(+)
(–)
Condition
Signal
(Reference value)
BCM
Connector
Terminal
M80
119
Ground
Standby state
Press the Intelligent
Key lock or unlock
button
OCC3881D
OCC3880D
B26FF REMOTE KEYLESS ENTRY RECEIVER
DLK-161
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
3. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY
Check voltage between remote keyless entry receiver harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO-1 >> Check 10A fuse No. 25 [located in fuse block J/B].
NO-2 >> Repair or replace harness between remote keyless entry receiver and 10A fuse No. 25.
4.
CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT
Check continuity between remote keyless entry receiver harness connector and ground.
Is the inspection result normal?
YES
>> Replace remote keyless entry receiver. Refer to
DLK-319, "Removal and Installation"
NO
>> Repair or replace harness.
BCM
Remote keyless entry receiver
Continuity
Connector
Terminal
Connector
Terminal
M80
119
M86
2
Yes
(+)
(–)
Continuity
BCM
Connector
Terminal
M80
119
Ground
No
(+)
(–)
Voltage
(Approx)
Remote keyless entry receiver
Connector
Terminal
M86
1
Ground
Battery voltage
Remote keyless entry receiver
Ground
Continuity
Connector
Terminal
M86
3
Yes
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