Nissan Qashqai J11. Manual — part 1461
B27DB S/L IGN OFF
SEC-143
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
3.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
>> INSPECTION END
SEC-144
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B27DC S/L POWER SUPPLY
B27DC S/L POWER SUPPLY
DTC Logic
INFOID:0000000010438877
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors
(Steering lock unit power supply circuit is open or shorted)
• BCM
• Steering lock unit
FAIL-SAFE
Inhibit steering lock
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check DTC in “Self Diagnosis Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> Refer to
SEC-144, "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:0000000010438878
1.
CHECK STEERING LOCK UNIT POWER SUPPLY
Check voltage between steering lock unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> GO TO 2
2.
CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT
1.
Disconnect BCM connector and steering lock unit connector.
2.
Check continuity between steering lock unit harness connector and BCM harness connector.
3.
Check voltage between BCM harness connector and ground.
DTC No.
CONSULT screen items
DTC detecting condition
B27DC–00
S/L POWER SUPPLY
When power is supplied to the steering lock unit even though BCM is not supplying
power to the steering lock unit.
(+)
(-)
Condition
Voltage
Steering lock unit
Connector
Terminal
M46
2
Ground
Steering lock unit
Active
9 - 16 V
Not active
0 - 0.5 V
Steering lock unit
BCM
Continuity
Connector
Terminal
Connector
Terminal
M46
2
M87
41
Existed
BCM
Ground
Continuity
Connector
Terminal
M87
41
Not existed
B27DC S/L POWER SUPPLY
SEC-145
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
REPLACE BCM
BCS-135, "Removal and Installation"
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 4
4.
REPLACE STEERING LOCK UNIT
Replace steering lock unit. Refer to
SEC-81, "STEERING LOCK UNIT : Work Procedure"
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 5
5.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
.
>> INSPECTION END
SEC-146
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B27DD BCM - S/L ID DISCORD
B27DD BCM - S/L ID DISCORD
DTC Logic
INFOID:0000000010438879
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Steering lock unit
• BCM
FAIL-SAFE
Inhibit steering lock
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> Refer to
SEC-146, "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:0000000010438880
1.
INTELLIGENT KEY REGISTRATION
Using CONSULT, register all Intelligent Keys again.
>> GO TO 2
2.
CHECK SELF-DIAGNOSIS RESULT
1.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.
2.
Erase DTC.
3.
Perform DTC CONFIRMATION PROCEDURE for DTC B27DD. Refer to
Is the DTC detected?
YES
>> GO TO 3
NO
>> INSPECTION END
3.
REPLACE BCM
1.
Replace BCM. Refer to
BCS-135, "Removal and Installation"
.
2.
Perform DTC CONFIRMATION PROCEDURE for DTC B27DD. Refer to
Is the DTC detected?
YES
>> GO TO 4
NO
>> INSPECTION END
4.
REPLACE STEERING LOCK UNIT
Replace steering lock unit. Refer to
SEC-81, "STEERING LOCK UNIT : Work Procedure"
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 5
5.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
DTC No.
CONSULT screen items
DTC detecting condition
B27DD–00
BCM-S/L ID DISCORD
When BCM detects that the ID verification result of the steeling lock unit is NG.
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