Nissan X-Trail 32. Manual — part 1683
PCS-102
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B261A PUSH-BUTTON IGNITION SWITCH
NO
>> GO TO 2.
2.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (BCM)
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and push-button ignition switch harness connector.
3.
Check continuity between push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-121, "Removal and Installation"
.
NO
>> Repair or replace harness.
3.
CHECK PUSH-BUTTON IGNITION SWITCH (PUSH SWITCH) OUTPUT SIGNAL (IPDM E/R)
1.
Disconnect BCM connector.
2.
Connect IPDM E/R connector.
3.
Check voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-60, "Removal and Installation"
NO
>> GO TO 4.
4.
CHECK PUSH-BUTTON IGNITION SWITCH (PUSH SWITCH) CIRCUIT (IPDM E/R)
1.
Check continuity between IPDM E/R harness connector and push-button ignition switch harness connec-
tor.
2.
Check continuity between push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
>> INSPECTION END
BCM
Push-button Ignition switch
Continuity
Connector
Terminal
Connector
Terminal
M86
101
M16
8
Existed
Push-button Ignition switch
Ground
Continuity
Connector
Terminal
M16
8
Not existed
(+)
(–)
Voltage
IPDM E/R
Connector
Terminal
E12
38
Ground
6 – 16 V
IPDM E/R
Push-button Ignition switch
Continuity
Connector
Terminal
Connector
Terminal
E12
38
M16
8
Existed
Push-button Ignition switch
Ground
Continuity
Connector
Terminal
M16
8
Not existed
PCS
B26F1 IGNITION RELAY
PCS-103
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B26F1 IGNITION RELAY
DTC Description
INFOID:0000000010741747
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors
(Ignition relay circuit is open)
• BCM
• IPDM E/R
FAIL-SAFE
Inhibit engine cranking
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON, and wait for 2 seconds or more.
2.
Check “Self-diagnosis result” with CONSULT.
Is DTC detected?
YES
>> Refer to
PCS-103, "Diagnosis Procedure"
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010741748
1.
CHECK IPDM E/R SELF-DIAGNOSTIC RESULT
1.
Turn ignition switch ON.
2.
Erase the DTC of IPDM E/R.
3.
Turn ignition switch OFF.
4.
Turn ignition switch ON and check the DTC again.
Is DTC detected?
YES
>> Repair or replace the malfunctioning part. Refer to
.
NO
>> GO TO 2.
2.
CHECK IGNITION RELAY CONTROL SIGNAL
1.
Turn ignition switch OFF.
2.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK IGNITION RELAY CONTROL SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connectors.
3.
Check continuity between BCM harness connector and fuse block (J/B) harness connector.
DTC No.
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B26F1-00
IGN RELAY OFF
(Ignition relay off)
BCM transmits the ignition relay control signal (ON) or ignition switch ON signal
(ON) (CAN), but does not receives ignition switch ON signal (ON) (CAN) from
IPDM E/R.
(+)
(–)
Condition
Voltage
BCM
Connector
Terminal
M87
67
Ground
Ignition switch
ON
0 – 0.5 V
PCS-104
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B26F1 IGNITION RELAY
4.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace ignition relay.
NO
>> Repair or replace harness.
4.
CHECK IGNITION RELAY
Check ignition relay. Refer to
PCS-104, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace ignition relay.
5.
REPLACE IPDM E/R
1.
Replace IPDM E/R. Refer to
PCS-60, "Removal and Installation"
.
2.
Turn ignition switch ON and check the DTC again.
Is DTC "B26F1-00" displayed?
YES
>> Replace BCM. Refer to
BCS-121, "Removal and Installation"
.
NO
>> INSPECTION END.
Component Inspection
INFOID:0000000010741749
1.
CHECK IGNITION RELAY
1.
Turn ignition switch OFF.
2.
Remove ignition relay.
3.
Check continuity between ignition relay terminals.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Replace ignition relay.
BCM
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
M87
67
M3
3C
Existed
BCM
—
Continuity
Connector
Terminal
M87
67
Ground
Not existed
Terminal
Condition
Continuity
Ignition relay
12 V direct current supply between termi-
nals
and .
Existed
No current supply
Not existed
SEF497Y
PCS
B26F2 IGNITION RELAY
PCS-105
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B26F2 IGNITION RELAY
DTC Description
INFOID:0000000010741750
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors
(Ignition relay circuit is short)
• BCM
• IPDM E/R
FAIL-SAFE
Inhibit engine cranking
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON, and wait for 2 seconds or more.
2.
Check “Self-diagnosis result” with CONSULT.
Is DTC detected?
YES
>> Refer to
PCS-105, "Diagnosis Procedure"
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010741751
1.
CHECK IPDM E/R SELF-DIAGNOSTIC RESULT
1.
Turn ignition switch ON.
2.
Erase the DTC of IPDM E/R.
3.
Turn ignition switch OFF.
4.
Turn ignition switch ON and check the DTC again.
Is DTC detected?
YES
>> Repair or replace the malfunctioning part. Refer to
.
NO
>> GO TO 2.
2.
CHECK IGNITION RELAY CONTROL SIGNAL
1.
Turn ignition switch OFF.
2.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK IGNITION RELAY CONTROL SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM and fuse block (J/B) connectors.
3.
Check continuity between BCM harness connector and fuse block (J/B) harness connector.
DTC No.
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B26F2-00
IGN RELAY ON
(Ignition relay on)
BCM transmits the ignition relay control signal (OFF) or ignition switch ON signal
(OFF) (CAN), but does not receives ignition switch ON signal (OFF) (CAN) from
IPDM E/R.
(+)
(–)
Condition
Voltage
BCM
Connector
Terminal
M87
67
Ground
Ignition switch
ON
0 – 0.5 V
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