Nissan X-Trail 32. Instruction — part 1855
POWER SUPPLY AND GROUND CIRCUIT
SEC-187
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
POWER SUPPLY AND GROUND CIRCUIT
SIREN CONTROL UNIT
SIREN CONTROL UNIT : Diagnosis Procedure
INFOID:0000000010994658
1.
CHECK FUSE
Check that the following fuse is not blown.
Is the fuse fusing?
YES
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect siren control unit connector.
3.
Check voltage between siren control unit harness connector and the ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
Check continuity between siren control unit harness connectors and the ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace harness.
STEERING LOCK UNIT
STEERING LOCK UNIT : Diagnosis Procedure
INFOID:0000000010922233
1.
CHECK FUSE
Check that the following fuse is not blown.
Is the fuse blown?
YES
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO
>> GO TO 2.
2.
CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT1
1.
Turn ignition switch OFF.
2.
Disconnect steering lock unit connectors.
3.
Check voltage between harness steering lock unit connector and ground.
Signal name
Fuse
Battery power supply
14 (5 A)
(+)
(
−
)
Voltage
(Approx.)
Siren control unit
Connector
Terminal
Ground
B127
2
Battery voltage
Siren control unit
Ground
Continuity
Connector
Terminal
B127
5
Existed
Signal name
Fuse No.
Ignition ON signal
85 (5 A)
SEC-188
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
POWER SUPPLY AND GROUND CIRCUIT
Is the measurement value normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT1
1.
Disconnect IPDM E/R connector.
2.
Check continuity between steering lock unit harness connector and IPDM E/R harness 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
>> Repair or replace harness.
4.
CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT2
Check voltage between harness steering lock unit connector and ground.
Is the measurement value normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT2
1.
Disconnect BCM connector.
2.
Check continuity between steering lock unit harness connector and BCM harness connector.
3.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-121, "Removal and Installation"
.
NO
>> Repair or replace harness.
Steering lock unit
Ground
Condition
Voltage (V)
Connector
Terminal
M57
7
Ignition switch
ON
6 - 16
OFF
0 - 1
Steering lock unit
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
M57
7
E12
25
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
E12
25
Not existed
Steering lock unit
Ground
Condition
Voltage (V)
Connector
Terminal
M57
2
Steering lock unit
Active
9 - 16
Not active
0 - 0.5
Steering lock unit
BCM
Continuity
Connector
Terminal
Connector
Terminal
M57
2
M87
41
Existed
BCM
Ground
Continuity
Connector
Terminal
M87
41
Not existed
POWER SUPPLY AND GROUND CIRCUIT
SEC-189
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
6.
CHECK GROUND CIRCUIT
Check continuity between steering lock unit harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair or replace harness.
Steering lock unit
Ground
Continuity
Connector
Terminal
M57
1
Existed
SEC-190
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
SECURITY INDICATOR LAMP
SECURITY INDICATOR LAMP
Component Function Check
INFOID:0000000010926570
1.
CHECK FUNCTION
1.
Perform “THEFT IND” in “ACTIVE TEST” mode of “IMMU” of “BCM” using CONSULT.
2.
Check security indicator lamp operation.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Refer to
SEC-190, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000010922234
1.
CHECK FUSE
1.
Turn ignition switch OFF.
2.
Check that the following fuse in the fuse block (J/B) is not blown.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the cause of blowing.
2.
CHECK SECURITY INDICATOR LAMP POWER SUPPLY CIRCUIT
1.
Disconnect combination meter connector.
2.
Turn ignition switch ON.
3.
Check voltage between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK SECURITY INDICATOR LAMP SIGNAL
1.
Turn ignition switch OFF.
2.
Connect combination meter connector.
3.
Disconnect BCM connector.
4.
Turn ignition switch ON.
5.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
Test item
Description
THEFT IND
ON
Security indicator lamp
Illuminates
OFF
Does not illuminate
Signal name
Fuse No.
Battery power supply
13 (10 A)
(+)
(–)
Voltage (V)
Combination meter
Connector
Terminal
M42
45
Ground
Battery voltage
(+)
(–)
Voltage
BCM
Connector
Terminal
M87
75
Ground
9 - 16 V
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