Nissan Murano Z51. Manual — part 1080
PCS-62
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B261A PUSH-BUTTON IGNITION SWITCH
B261A PUSH-BUTTON IGNITION SWITCH
Description
INFOID:0000000005516991
BCM transmits the change in the power supply position with the push-button ignition switch to IPDM E/R via
the CAN communication line. IPDM E/R transmits the power supply position status via CAN communication
line to BCM.
DTC Logic
INFOID:0000000005516992
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-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005516993
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-35, "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.
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
M122
89
Existed
PCS
B261A PUSH-BUTTON IGNITION SWITCH
PCS-63
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-95, "Removal and Installation"
NO
>> Repair or replace harness.
IPDM E/R
Ground
Continuity
Connector
Terminal
E10
28
Not existed
PCS-64
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis Procedure
INFOID:0000000005683269
1.
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown.
Is the fuse fusing?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connectors.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Signal name
Fuse and fusible link No.
Battery power supply
L
10
Terminals
Voltage
(Approx.)
(+)
(
−
)
BCM
Ground
Connector
Terminal
M118
1
Battery voltage
M119
11
BCM
Ground
Continuity
Connector
Terminal
M119
13
Existed
PCS
PUSH-BUTTON IGNITION SWITCH
PCS-65
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
PUSH-BUTTON IGNITION SWITCH
Description
INFOID:0000000005516995
BCM transmits the change in the power supply position with the push-button ignition switch to IPDM E/R via
the CAN communication line. IPDM E/R transmits the power supply position status via CAN communication
line to BCM.
Component Function Check
INFOID:0000000005516996
1.
CHECK FUNCTION
1.
Select “PUSH SW” in “Data Monitor” mode with CONSULT-III.
2.
Check the push-button ignition switch signal under the following condition.
Is the indication normal?
YES
>> INSPECTION END
NO
Diagnosis Procedure
INFOID:0000000005516997
1.
CHECK PUSH-BUTTON 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 push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and push-button ignition switch harness connector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-95, "Removal and Installation"
NO
>> Repair or replace harness.
3.
CHECK PUSH-BUTTON IGNITION SWITCH GROUND CIRCUIT
Check continuity between push-button ignition switch harness connector and ground.
Test item
Condition
Status
PUSH SW
Push-button ignition switch is pressed
ON
Push-button ignition switch is not pressed
OFF
(+)
(–)
Voltage (V)
(Approx.)
Push-button ignition switch
Connector
Terminal
M101
4
Ground
Battery voltage
BCM
Push-button ignition switch
Continuity
Connector
Terminal
Connector
Terminal
M122
89
M101
4
Existed
BCM
Ground
Continuity
Connector
Terminal
M122
89
Not existed
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