Nissan X-Trail 32. Manual — part 1848
B27D6 S/L CAN COMM CIRCUIT
SEC-159
< 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 4.
NO
>> Repair or replace harness.
3.
REPLACE STEERING LOCK UNIT
1.
Replace steering lock unit.
2.
Perform the service procedure for steering lock unit replacement. Refer to
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 4.
4.
REPLACE BCM
BCS-121, "Removal and Installation"
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 5.
5.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
.
>> INSPECTION END
Steering lock unit
Ground
Continuity
Connector
Terminal
M57
2
Not existed
SEC-160
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B27D7 S/L PWR RELAY
B27D7 S/L PWR RELAY
DTC Description
INFOID:0000000010922195
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors
(Steering lock unit ignition power supply circuit is open or shorted)
• BCM
FAIL-SAFE
Inhibit steering lock
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Press push-button ignition switch under the following conditions.
-
Selector lever: In the P position.
-
Brake pedal: Not depressed.
2.
Select “Self Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> Refer to
SEC-160, "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:0000000010922196
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 4.
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 steering lock unit harness connector and ground.
DTC No.
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B27D7–00
S/L PWR RELAY
(Steering lock unit power relay)
When even if the BCM performs ON output of the internal transistor, the tran-
sistor does not on.
(+)
(-)
Condition
Voltage
Steering lock unit
Connector
Terminal
M57
2
Ground
steering lock unit
Active
9 - 16 V
Not active
0 - 0.5 V
BCM
Steering lock unit
Continuity
Connector
Terminal
Connector
Terminal
M87
41
M57
2
Existed
B27D7 S/L PWR RELAY
SEC-161
< 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
Replace BCM.
BCS-121, "Removal and Installation"
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 4.
4.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
.
>> INSPECTION END
Steering lock unit
Ground
Continuity
Connector
Terminal
M57
2
Not existed
SEC-162
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B27D8 S/L VEHICLE SPEED MALFUNCTION
B27D8 S/L VEHICLE SPEED MALFUNCTION
DTC Description
INFOID:0000000010922197
DTC DETECTION LOGIC
POSSIBLE CAUSE
• ABS actuator and electric unit (control unit)
• Steering lock unit
FAIL-SAFE
Inhibit steering lock
DTC CONFIRMATION PROCEDURE
1.
CHECK DTC PRIORITY
If DTC B27D8-00 is displayed with DTC U1000-00 or U1010-00, first perform the trouble diagnosis for DTC
U1000-00 or U1010-00.
Is applicable DTC detected?
YES
>> Perform diagnosis of applicable. U1000-00: Refer to
NO
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Select “Self Diagnosis Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> Refer to
SEC-162, "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:0000000010922198
1.
CHECK DTC PRIORITY
If DTC B261F-00 is displayed with DTC U1000-00 or U1010-00, first perform the trouble diagnosis for DTC
U1000-00 or U1010-00.
Is applicable DTC detected?
YES
>> Perform diagnosis of applicable. U1000-00: Refer to
NO
>> GO TO 2.
2.
CHECK DTC OF “ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)”
Select “Self Diagnostic Result” mode of “ABS” using CONSULT.
Is DTC detected?
YES
>> GO TO 3.
NO
>> Perform the trouble diagnosis related to the detected DTC. Refer to
.
3.
CHECK SELF DIAGNOSTIC RESULT
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC B27D8 detected again?
YES
>> GO TO 4.
DTC No.
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B27D8–00
S/L VEHICLE SPEED MLFUNCTION
(Steering lock unit vehicle speed malfunc-
tion)
When vehicle speed is detected during steering lock unit lock operation
or unlock operation.
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