Nissan March K13. Manual — part 579
B2014 CHAIN OF STRG-IMMU
SEC-55
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2014 CHAIN OF STRG-IMMU
DTC Logic
INFOID:0000000006038526
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Lock steering.
NOTE:
3.
Press the push-button ignition switch.
4.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006038527
1.
CHECK STEERING LOCK UNIT POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect steering lock unit connector.
3.
Check voltage between steering lock unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between steering lock unit harness connector and BCM harness connector.
3.
Check continuity between steering lock unit harness connector and ground.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2014
CHAIN OF S/L-BCM
Inactive communication between steering
lock unit and BCM
• Harness or connectors
(Steering lock unit circuit is open or
shorted.)
• Steering lock unit
• BCM
To lock the steering
1.
Set the selector lever in the P position.
2.
Turn the power supply position to the OFF position.
3.
Press any door switch.
To unlock the steering
1.
Set the selector lever in the P position.
2.
Press the push-button ignition switch with brake pedal not depressed.
(+)
(–)
Condition
Voltage (V)
(Approx.)
Steering lock unit
Connector
Terminal
M12
7
Ground
Ignition switch
OFF or ACC
12
ON
0
Steering lock unit
BCM
Continuity
Connector
Terminal
Connector
Terminal
M12
7
M71
95
Existed
SEC-56
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2014 CHAIN OF STRG-IMMU
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-57, "Removal and Installation"
NO
>> Repair or replace harness.
3.
CHECK STEERING LOCK UNIT GROUND CIRCUIT
Check continuity between steering lock unit and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK STEERING LOCK UNIT COMMUNICATION SIGNAL
1.
Connect steering lock unit connector and BCM connector.
2.
Read voltage signal between steering lock unit harness connector and ground.
NOTE:
Is the inspection result normal?
YES
>> Replace steering lock unit.
NO
>> GO TO 5.
5.
CHECK STEERING LOCK UNIT COMMUNICATION CIRCUIT
1.
Disconnect steering lock unit and BCM connector.
2.
Check continuity between steering lock unit harness connector and BCM harness connector.
Steering lock unit
Ground
Continuity
Connector
Terminal
M12
7
Not existed
Steering lock unit
Ground
Continuity
Connector
Terminal
M12
5
Existed
6
(+)
(–)
Condition
Voltage (V)
(Approx.)
Steering lock unit
Connector
Terminal
M12
2
Ground
Steering lock unit
Lock status
12
Lock or unlock
For 15 seconds after
unlock
12
15 seconds or later
after unlock.
0
To lock the steering
1.
Set the selector lever in the P position.
2.
Turn the power supply position to the OFF position.
3.
Press any door switch.
To unlock the steering
1.
Set the selector lever in the P position.
2.
Press the push-button ignition switch with brake pedal not depressed.
JMKIA0066GB
B2014 CHAIN OF STRG-IMMU
SEC-57
< 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 continuity between steering lock unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-57, "Removal and Installation"
NO
>> Repair or replace harness.
Steering lock unit
BCM
Continuity
Connector
Terminal
Connector
Terminal
M12
2
M71
94
Existed
Steering lock unit
Ground
Continuity
Connector
Terminal
M12
2
Not existed
SEC-58
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2555 STOP LAMP
B2555 STOP LAMP
DTC Logic
INFOID:0000000006038528
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Depress the brake pedal and wait 1 second or more.
2.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006038529
1.
CHECK STOP LAMP SWITCH INPUT SIGNAL 1
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check voltage between BCM harness connector and ground.
Is the inspection normal?
YES
>> GO TO 2.
NO-1
>> Check 10 A fuse [No. 38, located in the fuse block (J/B)].
NO-2
>> Check harness for open or short between BCM and fuse.
2.
CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1.
Disconnect stop lamp switch connector.
2.
Check voltage between stop lamp switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness for open or short between stop lamp switch and fuse.
3.
CHECK STOP LAMP SWITCH INPUT SIGNAL 2
1.
Connect stop lamp switch connector.
2.
Check voltage between BCM harness connector and ground.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2555
STOP LAMP
BCM makes a comparison between the
upper voltage and lower voltage of stop
lamp switch. It judges from their values to
detect the malfunctioning circuit.
• Harness or connectors
(Stop lamp switch circuit is open or
shorted.)
• Stop lamp switch
• Fuse
(+)
(–)
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M71
105
Ground
Battery voltage
(+)
(–)
Voltage (V)
(Approx.)
Stop lamp switch
Connector
Terminal
E115
1
Ground
Battery voltage
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