Nissan Quest E52. Instruction — part 1103
SEC-102
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B26FA CRANKING REQUEST CIRCUIT
5.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
REPLACE BCM
1.
Replace BCM. Refer to
BCS-98, "Removal and Installation"
.
2.
Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
3.
Perform DTC CONFIRMATION PROCEDURE for DTC B26FA. Refer to
.
Is DTC detected?
YES
>> GO TO 4.
NO
>> INSPECTION END
4.
REPLACE ECM
Replace ECM.
Refer to
EC-460, "Removal and Installation"
.
>> INSPECTION END
BCM
ECM
Continuity
Connector
Terminal
Connector
Terminal
M123
64
F7
8
Existed
BCM
Ground
Continuity
Connector
Terminal
M123
64
Not existed
B26FC KEY REGISTRATION
SEC-103
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B26FC KEY REGISTRATION
DTC Logic
INFOID:0000000009650769
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
2.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> Go to
SEC-103, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009650770
1.
REPLACE INTELLIGENT KEY
1.
Prepare Intelligent Key that matches the vehicle.
2.
Perform initialization of BCM and registration of Intelligent Key using CONSULT.
3.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
REPLACE BCM
1.
Replace BCM. Refer to
BCS-98, "Removal and Installation"
.
2.
Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B26FC
KEY REGISTRATION
Intelligent Key that does not match the vehicle is
registered.
• Improper registration operation
• Intelligent Key
• BCM
SEC-104
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B209F CRANKING REQUEST CIRCUIT
B209F CRANKING REQUEST CIRCUIT
DTC Logic
INFOID:0000000009650771
DTC DETECTION LOGIC
NOTE:
If DTC B209F is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Perform DTC CONFIRMATION PROCEDURE for DTC P1650. Refer to
2.
Turn ignition switch ON.
3.
Check DTC in “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT.
Is DTC detected?
YES
>> Refer to
SEC-104, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009650772
1.
CHECK CRANKING REQUEST SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between IPDM E/R harness connector and ground under the following conditions.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK CRANKING REQUEST SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Disconnect ECM connector.
4.
Check continuity between IPDM E/R harness connector and ECM harness connector.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B209F
STR CUT OFF OPEN
When the following items do not match, a
malfunction is detected.
• Cranking request signal from ECM
• Starter control relay control signal from
ECM (CAN)
• Harness or connectors
(CAN communication line is open or
shorted.)
• Harness or connectors
(Cranking request signal circuit is open
or shorted.)
• IPDM E/R
• ECM
(+)
(–)
Condition
Voltage (V)
(Approx.)
IPDM E/R
Connector
Terminal
F12
71
Ground
Ignition switch OFF
3.6
Ignition switch ON
• Engine: Stopped
• Selector lever position: P
0 - 1
• Engine: Stopped
• Selector lever position:
Other than P
9 - 16
Engine running
9 -16
B209F CRANKING REQUEST CIRCUIT
SEC-105
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
5.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
REPLACE IPDM E/R
1.
Replace IPDM E/R. Refer to
PCS-36, "Removal and Installation"
.
2.
Perform DTC CONFIRMATION PROCEDURE for DTC B209F. Refer to
.
Is DTC detected?
YES
>> GO TO 4.
NO
>> INSPECTION END
4.
REPLACE ECM
Replace ECM.
Refer to
EC-460, "Removal and Installation"
.
>> INSPECTION END
IPDM E/R
ECM
Continuity
Connector
Terminal
Connector
Terminal
F12
71
F7
8
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
F12
71
Not existed
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