Nissan March K13. Instruction — part 501
PCS-86
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B26F6 BCM
B26F6 BCM
DTC Logic
INFOID:0000000005998936
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” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005998937
1.
INSPECTION START
1.
Turn ignition switch ON.
2.
Select “Self-diagnosis result” mode with CONSULT-III.
3.
Touch “ERASE”.
4.
Perform DTC Confirmation Procedure.
See
.
Is DTC detected?
YES
>> Replace BCM. Refer to
BCS-57, "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
PUSH-BUTTON IGNITION SWITCH
PCS-87
< 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
Component Function Check
INFOID:0000000005998939
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 conditions.
Is the indication normal?
YES
>> INSPECTION END.
NO
Diagnosis Procedure
INFOID:0000000005998940
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-57, "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
100
M101
8
Existed
BCM
Ground
Continuity
Connector
Terminal
M71
100
Not existed
PCS-88
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
PUSH-BUTTON IGNITION SWITCH
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-28, "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-88, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Replace push-button ignition switch.
7.
CHECK INTERMITTENT INCIDENT
GI-33, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000005998941
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
81
Ground
Battery voltage
IPDM E/R
Push-button ignition switch
Continuity
Connector
Terminal
Connector
Terminal
E17
81
M101
8
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
E17
81
Not existed
Push-button ignition switch
Ground
Continuity
Connector
Terminal
M101
4
Existed
PCS
PUSH-BUTTON IGNITION SWITCH
PCS-89
< 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
>> INSPECTION END
NO
>> Replace push-button ignition switch.
Push-button ignition switch
Condition
Continuity
Terminal
4
8
Pressed
Existed
Not pressed
Not existed
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