Murano Cross Cabriolet Z51 (2012 year). Manual — part 68
PCS
DIAGNOSIS AND REPAIR WORK FLOW
PCS-49
< BASIC INSPECTION >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Inspect according to Diagnosis Procedure of the system.
Is malfunctioning part detected?
YES
>> GO TO 8.
NO
>> Check according to
GI-40, "Intermittent Incident"
.
8.
REPAIR OR REPLACE THE MALFUNCTIONING PART
1.
Repair or replace the malfunctioning part.
2.
Reconnect parts or connectors disconnected during Diagnosis Procedure again after repair and replace-
ment.
3.
Check DTC. If DTC is detected, erase it.
>> GO TO 9.
9.
FINAL CHECK
When DTC is detected in step 2, perform DTC CONFIRMATION PROCEDURE again, and then check that the
malfunction is repaired securely.
When symptom is described by the customer, refer to confirmed symptom in step 3 or 4, and check that the
symptom is not detected.
Is DTC detected and does symptom remain?
YES-1 >> DTC is detected: GO TO 7.
YES-2 >> Symptom remains: GO TO 4.
NO
>> Before returning the vehicle to the customer, always erase DTC.
Revision: 2013 February
2012 Murano CrossCabriolet
PCS-50
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2553 IGNITION RELAY
DTC/CIRCUIT DIAGNOSIS
B2553 IGNITION RELAY
DTC Logic
INFOID:0000000007563524
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON under the following conditions (start the engine), and wait for at least 2 seconds.
-
Selector lever is in the P or N position.
-
Do not depress brake pedal.
2.
Check “Self diagnostic result” with CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000007563525
1.
CHECK DTC WITH IPDM E/R
Check “Self diagnostic result” with CONSULT. Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning parts.
2.
CHECK FUSE
Check that the following fuse are not fusing.
Is the fuse fusing?
YES
>> Repair the applicable circuit. And then replace the fuse.
NO
>> GO TO 3.
3.
CHECK IGNITION RELAY FEEDBACK INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-76, "Removal and Installation"
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2553
IGNITION RELAY
BCM detects a difference of signal for 2 seconds or
more between the following information.
• Ignition relay (fuse block) ON/OFF operation
• Ignition relay (fuse block) feedback.
• Harness or connectors
(Ignition relay feedback circuit is
open or short)
• BCM
• IPDM E/R
Signal name
Connection position
Fuse No.
Capacity
Ignition power supply
FUSE BLOCK (J/B)
3
10A
(+)
(–)
Condition
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M123
123
Ground
Ignition switch
OFF
0
ON
Battery voltage
Revision: 2013 February
2012 Murano CrossCabriolet
PCS
B2553 IGNITION RELAY
PCS-51
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
NO
>> GO TO 4.
4.
CHECK IGNITION RELAY FEEDBACK CIRCUIT
1.
Disconnect fuse block (J/B) connector.
2.
Check continuity between BCM harness connector and fuse block (J/B) harness connector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-31, "Removal and Installation"
.
NO
>> Repair or replace harness.
BCM
FUSE BLOCK (J/B)
Continuity
Connector
Terminal
Connector
Terminal
M123
123
M1
2A
Existed
BCM
Ground
Continuity
Connector
Terminal
M123
123
Not existed
Revision: 2013 February
2012 Murano CrossCabriolet
PCS-52
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B260A IGNITION RELAY
B260A IGNITION RELAY
DTC Logic
INFOID:0000000007563526
DTC DETECTION LOGIC
NOTE:
• If DTC B260A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC B260A is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
.
• If DTC B260A is displayed with DTC B261A, first perform the trouble diagnosis for DTC B261A. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON under the following conditions, and wait for at least 2 seconds.
-
Selector lever is in the P or N position.
-
Do not depress brake pedal.
2.
Check “Self diagnostic result” with CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000007563527
1.
CHECK DTC WITH IPDM E/R
Check “Self diagnostic result” with CONSULT. Refer to
Is DTC detected?
YES
>> Repair or replace the malfunctioning parts.
NO
>> GO TO 2.
2.
CHECK IGNITION RELAY INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-76, "Removal and Installation"
NO
>> GO TO 3.
3.
CHECK IGNITION RELAY (IPDM E/R) CIRCUIT
1.
Disconnect IPDM E/R connector.
2.
Check continuity between IPDM E/R harness connector and BCM harness connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B260A
IGNITION RELAY
BCM detects a difference of signal for 2 second or
more between the following information.
• Ignition relay (IPDM E/R) operation request
• Ignition relay feedback from IPDM E/R (CAN).
• Harness or connectors
(Ignition relay operation circuit is
open or shorted.)
• BCM
• IPDM E/R
(+)
(–)
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M121
47
Ground
Battery voltage
Revision: 2013 February
2012 Murano CrossCabriolet
PCS
B260A IGNITION RELAY
PCS-53
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
3.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-31, "Removal and Installation"
.
NO
>> Repair or replace harness.
IPDM E/R
BCM
Continuity
Connector
Terminal
Connector
Terminal
E10
27
M121
47
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
E10
27
Not existed
Revision: 2013 February
2012 Murano CrossCabriolet
PCS-54
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2614 ACC RELAY
B2614 ACC RELAY
DTC Logic
INFOID:0000000007563528
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn the power supply position to ACC under the following conditions, and wait for at least 1 second.
-
Selector lever is in the P or N position.
-
Do not depress brake pedal.
2.
Check “Self diagnostic result” with CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000007563529
1.
CHECK ACCESSORY RELAY POWER SUPPLY-1
1.
Turn ignition switch OFF.
2.
Remove accessory relay.
3.
Check voltage between accessory relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK ACCESSORY RELAY POWER SUPPLY-2
1.
Disconnect fuse block (J/B) connector.
2.
Check voltage between fuse block (J/B) harness connector and ground.
Is the inspection result normal?
YES
>> Replace fuse block (J/B).
NO
>> GO TO 3.
3.
CHECK ACCESSORY RELAY POWER SUPPLY CIRCUIT-1
1.
Disconnect BCM connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2614
BCM
An immediate operation of accessory relay is re-
quested by BCM, but there is no response for more
than 1 second.
• Harness or connectors
(Accessory relay circuit is open or
shorted)
• Accessory relay
(+)
(–)
Condition
Voltage (V)
(Approx.)
Accessory relay
Terminal
1
Ground
Ignition switch
OFF
0
ACC
Battery voltage
(+)
(–)
Condition
Voltage (V)
(Approx.)
Fuse block (J/B)
Connector
Terminal
M2
5B
Ground
Ignition switch
OFF
0
ACC
Battery voltage
Revision: 2013 February
2012 Murano CrossCabriolet
PCS
B2614 ACC RELAY
PCS-55
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
2.
Check continuity between fuse block (J/B) harness connector and BCM harness connector.
3.
Check continuity between fuse block (J/B) harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-76, "Removal and Installation"
NO
>> Repair or replace harness.
4.
CHECK ACCESSORY RELAY GROUND CIRCUIT
Check continuity between accessory relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair accessory relay ground circuit.
5.
CHECK ACCESSORY RELAY POWER SUPPLY CIRCUIT-2
1.
Install accessory relay.
2.
Turn ignition switch ACC.
3.
Check voltage between accessory relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 6.
6.
CHECK ACCESSORY RELAY
PCS-55, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace fuse block (J/B).
NO
>> Replace accessory relay.
7.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000007563530
1.
CHECK ACCESSORY RELAY
1.
Turn ignition switch OFF.
2.
Remove accessory relay.
Fuse block (J/B)
BCM
Continuity
Connector
Terminal
Connector
Terminal
M2
5B
M122
95
Existed
Fuse block (J/B)
Ground
Continuity
Connector
Terminal
M2
5B
Not existed
Accessory relay
Ground
Continuity
Terminal
2
Existed
(+)
(–)
Voltage (V)
(Approx.)
Accessory relay
Terminal
5
Ground
Battery voltage
Revision: 2013 February
2012 Murano CrossCabriolet
PCS-56
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2614 ACC RELAY
3.
Check the continuity between accessory relay terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace accessory relay.
Terminals
Condition
Continuity
3 and 5
12 V direct current supply between terminals 1 and 2
Existed
No current supply
Not existed
PBIB0098E
Revision: 2013 February
2012 Murano CrossCabriolet
PCS
B2615 BLOWER RELAY CIRCUIT
PCS-57
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B2615 BLOWER RELAY CIRCUIT
DTC Logic
INFOID:0000000007563531
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON under the following conditions, and wait for at least 1 second.
-
Selector lever is in the P or N position
-
Do not depress brake pedal
2.
Check “Self diagnostic result” with CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000007563532
1.
CHECK BLOWER RELAY POWER SUPPLY-1
1.
Turn ignition switch OFF.
2.
Remove blower relay.
3.
Check voltage between blower relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK BLOWER RELAY POWER SUPPLY-2
1.
Disconnect fuse block (J/B) connector.
2.
Check voltage between fuse block (J/B) harness connector and ground.
Is the inspection result normal?
YES
>> Replace fuse block (J/B).
NO
>> GO TO 3.
3.
CHECK BLOWER RELAY POWER SUPPLY CIRCUIT-1
1.
Disconnect BCM connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2615
BCM
BCM detects a difference of signal for 1 second or
more between the following information.
• Blower relay ON/OFF request
• Blower relay feedback
• Harness or connectors
(Blower relay circuit is open or
shorted)
• Blower relay
(+)
(–)
Condition
Voltage (V)
(Approx.)
Blower relay
Terminal
1
Ground
Ignition switch
OFF or ACC
0
ON
Battery voltage
(+)
(–)
Condition
Voltage (V)
(Approx.)
Fuse block (J/B)
Connector
Terminal
E103
6F
Ground
Ignition switch
OFF or ACC
0
ON
Battery voltage
Revision: 2013 February
2012 Murano CrossCabriolet
PCS-58
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2615 BLOWER RELAY CIRCUIT
2.
Check continuity between fuse block (J/B) harness connector and BCM harness connector.
3.
Check continuity between fuse block (J/B) harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-76, "Removal and Installation"
NO
>> Repair or replace harness.
4.
CHECK BLOWER RELAY GROUND CIRCUIT
Check continuity between blower relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair blower relay ground circuit.
5.
CHECK BLOWER RELAY POWER SUPPLY CIRCUIT-2
1.
Install blower relay.
2.
Turn ignition switch ON.
3.
Check voltage between blower relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 6.
6.
CHECK BLOWER RELAY
PCS-58, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace fuse block (J/B).
NO
>> Replace blower relay.
7.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000007563533
1.
CHECK BLOWER RELAY
1.
Turn ignition switch OFF.
2.
Remove blower relay.
Fuse block (J/B)
BCM
Continuity
Connector
Terminal
Connector
Terminal
E103
6F
M122
102
Existed
Fuse block (J/B)
Ground
Continuity
Connector
Terminal
E103
6F
Not existed
Blower relay
Ground
Continuity
Terminal
2
Existed
(+)
(–)
Voltage (V)
(Approx.)
Blower relay
Terminal
5
Ground
Battery voltage
Revision: 2013 February
2012 Murano CrossCabriolet
PCS
B2615 BLOWER RELAY CIRCUIT
PCS-59
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
3.
Check the continuity between blower relay terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace blower relay.
Terminals
Condition
Continuity
3 and 5
12 V direct current supply between terminals 1 and 2
Existed
No current supply
Not existed
PBIB0098E
Revision: 2013 February
2012 Murano CrossCabriolet
PCS-60
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2616 IGNITION RELAY CIRCUIT
B2616 IGNITION RELAY CIRCUIT
DTC Logic
INFOID:0000000007563534
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON under the following conditions, and wait for at least 1 second.
-
Selector lever is in the P or N position.
-
Do not depress brake pedal.
2.
Check “Self diagnostic result” with CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000007563535
1.
CHECK IGNITION RELAY POWER SUPPLY-1
1.
Turn ignition switch OFF.
2.
Remove ignition relay.
3.
Check voltage between ignition relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK IGNITION RELAY POWER SUPPLY-2
1.
Disconnect fuse block (J/B) connector.
2.
Check voltage between fuse block (J/B) harness connector and ground.
Is the inspection result normal?
YES
>> Replace fuse block (J/B).
NO
>> GO TO 3.
3.
CHECK IGNITION RELAY POWER SUPPLY CIRCUIT-1
1.
Disconnect BCM connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2616
BCM
An immediate operation of ignition relay (fuse
block) is requested by BCM, but there is no re-
sponse for more than 1 second
• Harness or connectors
(Ignition relay circuit is open or
shorted)
• Ignition relay (fuse block)
(+)
(–)
Condition
Voltage (V)
(Approx.)
Ignition relay
Terminal
1
Ground
Ignition switch
OFF or ACC
0
ON
Battery voltage
(+)
(–)
Condition
Voltage (V)
(Approx.)
Fuse block (J/B)
Connector
Terminal
M3
6C
Ground
Ignition switch
OFF or ACC
0
ON
Battery voltage
Revision: 2013 February
2012 Murano CrossCabriolet
PCS
B2616 IGNITION RELAY CIRCUIT
PCS-61
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
2.
Check continuity between fuse block (J/B) harness connector and BCM harness connector.
3.
Check continuity between fuse block (J/B) harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-76, "Removal and Installation"
.
NO
>> Repair or replace harness.
4.
CHECK IGNITION RELAY GROUND CIRCUIT
Check continuity between ignition relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair ignition relay ground circuit.
5.
CHECK IGNITION RELAY POWER SUPPLY CIRCUIT-2
1.
Install ignition relay.
2.
Turn ignition switch ON.
3.
Check voltage between ignition relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 6.
6.
CHECK IGNITION RELAY
PCS-61, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace fuse block (J/B).
NO
>> Replace ignition relay.
7.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000007563536
1.
CHECK IGNITION RELAY
1.
Turn ignition switch OFF.
2.
Remove ignition relay.
Fuse block (J/B)
BCM
Continuity
Connector
Terminal
Connector
Terminal
M3
6C
M122
82
Existed
Fuse block (J/B)
Ground
Continuity
Connector
Terminal
M3
6C
Not existed
Ignition relay
Ground
Continuity
Terminal
2
Existed
(+)
(–)
Voltage (V)
(Approx.)
Ignition relay
Terminal
5
Ground
Battery voltage
Revision: 2013 February
2012 Murano CrossCabriolet
PCS-62
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2616 IGNITION RELAY CIRCUIT
3.
Check the continuity between ignition relay terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace Ignition relay.
Terminals
Condition
Continuity
3 and 5
12 V direct current supply between terminals 1 and 2
Existed
No current supply
Not existed
PBIB0098E
Revision: 2013 February
2012 Murano CrossCabriolet
PCS
B2618 BCM
PCS-63
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B2618 BCM
DTC Logic
INFOID:0000000007563537
DTC DETECTION LOGIC
NOTE:
• If DTC B2618 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B2618 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 under the following conditions, and wait for at least 1 second.
-
Selector lever is in the P or N position.
-
Do not depress brake pedal.
2.
Check “Self diagnostic result” with CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000007563538
1.
INSPECTION START
1.
Turn ignition switch ON.
2.
Select “Self diagnostic result” mode with CONSULT.
3.
Touch “ERASE”.
4.
Perform DTC Confirmation Procedure.
See
.
Is the 1st trip DTC B2618 displayed again?
YES
>> Replace BCM. Refer to
BCS-76, "Removal and Installation"
NO
>> INSPECTION END
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2618
BCM
An immediate operation of ignition relay (IPDM E/
R) is requested by BCM, but there is no response
for more than 1 second
BCM
Revision: 2013 February
2012 Murano CrossCabriolet
PCS-64
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B261A PUSH-BUTTON IGNITION SWITCH
B261A PUSH-BUTTON IGNITION SWITCH
DTC Logic
INFOID:0000000007563539
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Press the push-button ignition switch under the following conditions, and wait for at least 1 second.
-
Selector lever is in the P or N position.
-
Do not depress brake pedal.
2.
Check “Self diagnostic result” with CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000007563540
1.
CHECK IGNITION SWITCH OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect push-button ignition switch connector and IPDM E/R connector.
3.
Check voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace IPDM E/R. Refer to
PCS-31, "Removal and Installation"
2.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between IPDM E/R harness connector and BCM harness connector.
3.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-76, "Removal and Installation"
NO
>> Repair or replace harness.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B261A
PUSH-BUTTON IG-
NITION SWITCH
BCM detects a difference of signal for 1 second or
more between the following information.
• Power supply position by push-button ignition
switch
• Power supply position from IPDM E/R (CAN)
Harness or connectors
(Push-button ignition switch circuit is
open or shorted.)
(+)
(–)
Voltage (V)
(Approx.)
IPDM E/R
Connector
Terminal
E10
28
Ground
Battery voltage
IPDM E/R
BCM
Continuity
Connector
Terminal
Connector
Terminal
E10
28
M121
60
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
E10
28
Not existed
Revision: 2013 February
2012 Murano CrossCabriolet
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