Nissan Cube. Instruction — part 717
PCS
B26F6 BCM
PCS-93
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B26F6 BCM
Description
INFOID:0000000009945072
BCM controls the various electrical components and simultaneously supplies power according to the power
supply position.
BCM checks the power supply position internally.
DTC Logic
INFOID:0000000009945073
DTC DETECTION LOGIC
NOTE:
• If DTC B26F6 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B26F6 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 1 second or more.
-
Selector lever is in the P or N position
-
Do not depress brake pedal
2.
Check “Self-diagnosis result” of BCM with CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009945074
1.
INSPECTION START
1.
Turn ignition switch ON.
2.
Select “Self-diagnosis result” of BCM with CONSULT.
3.
Touch “ERASE”.
4.
Perform DTC Confirmation Procedure.
See
.
Is DTC detected?
YES
>> Replace BCM. Refer to
BCS-88, "Removal and Installation"
NO
>> INSPECTION END
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B26F6
BCM
Ignition relay ON signal is not transmitted from IPDM E/
R when BCM turns ignition relay ON.
BCM
PCS-94
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
PUSH-BUTTON IGNITION SWITCH
PUSH-BUTTON IGNITION SWITCH
Description
INFOID:0000000009945076
BCM transmits the change in the power supply position with the push-button ignition switch to IPDM E/R via
CAN communication line. IPDM E/R transmits the power supply position status via CAN communication line to
BCM.
Component Function Check
INFOID:0000000009945077
1.
CHECK FUNCTION
1.
Select “PUSH SW” in “Data Monitor” mode with CONSULT.
2.
Check the push-button ignition switch signal under the following conditions.
Is the indication normal?
YES
>> INSPECTION END.
NO
>> Go to
.
Diagnosis Procedure
INFOID:0000000009945078
1.
CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL 1
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
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-88, "Removal and Installation"
NO
>> Repair or replace harness.
3.
CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL 2
Check voltage between IPDM E/R 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
8
Ground
Battery voltage
BCM
Push-button ignition switch
Continuity
Connector
Terminal
Connector
Terminal
M71
76
M101
8
Existed
BCM
Ground
Continuity
Connector
Terminal
M71
76
Not existed
PCS
PUSH-BUTTON IGNITION SWITCH
PCS-95
< 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
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT 2
1.
Disconnect BCM connector.
2.
Check continuity between IPDM E/R harness connector and push-button ignition switch harness connec-
tor.
3.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-34, "Removal and Installation"
.
NO
>> Repair or replace harness.
5.
CHECK PUSH-BUTTON IGNITION SWITCH GROUND CIRCUIT
Check continuity between push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
6.
CHECK PUSH-BUTTON IGNITION SWITCH
PCS-95, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Replace push-button ignition switch. Refer to
PCS-144, "Removal and Installation"
.
7.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000009945079
1.
CHECK PUSH-BUTTON IGNITION SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect push-button ignition switch connector.
3.
Check continuity between push-button ignition switch terminals.
(+)
(–)
Voltage (V)
(Approx.)
IPDM E/R
Connector
Terminal
E17
66
Ground
Battery voltage
IPDM E/R
Push-button ignition switch
Continuity
Connector
Terminal
Connector
Terminal
E17
66
M101
8
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
E17
66
Not existed
Push-button ignition switch
Ground
Continuity
Connector
Terminal
M101
4
Existed
PCS-96
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
PUSH-BUTTON IGNITION SWITCH
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace push-button ignition switch. Refer to
PCS-144, "Removal and Installation"
.
Push-button ignition switch
Condition
Continuity
Terminal
4
8
Pressed
Existed
Not pressed
Not existed
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