Nissan Juke F15. Manual — part 958
LAN
BCM BRANCH LINE CIRCUIT
LAN-169
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 7)]
C
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F
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B
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BCM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000012200636
1.
CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and
connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of BCM.
2. Check the resistance between the BCM harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the BCM branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the BCM. Refer to
Is the inspection result normal?
YES (Present error)>>Replace the BCM. Refer to
BCS-94, "Removal and Installation"
.
YES (Past error)>>Error was detected in the BCM branch line.
NO
>> Repair the power supply and the ground circuit.
BCM harness connector
Resistance (
Ω)
Connector No.
Terminal No.
M68
39
40
Approx. 108 – 132
LAN-170
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 7)]
CAN COMMUNICATION CIRCUIT
CAN COMMUNICATION CIRCUIT
Diagnosis Procedure
INFOID:0000000012200637
1.
CONNECTOR INSPECTION
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect all the unit connectors on CAN communication system.
4. Check terminals and connectors for damage, bend and loose connection.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS CONTINUITY (SHORT CIRCUIT)
Check the continuity between the data link connector terminals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check the harness and repair the root cause.
3.
CHECK HARNESS CONTINUITY (SHORT CIRCUIT)
Check the continuity between the data link connector and the ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Check the harness and repair the root cause.
4.
CHECK ECM AND BCM TERMINATION CIRCUIT
1. Remove the ECM and the BCM.
2. Check the resistance between the ECM terminals.
-
For NISMO RS models
-
Except for NISMO RS models
3. Check the resistance between the BCM terminals.
Data link connector
Continuity
Connector No.
Terminal No.
M4
6
14
Not existed
Data link connector
Ground
Continuity
Connector No.
Terminal No.
M4
6
Not existed
14
Not existed
ECM
Resistance (
Ω)
Terminal No.
100
99
Approx. 108 – 132
ECM
Resistance (
Ω)
Terminal No.
124
123
Approx. 108 – 132
BCM
Resistance (
Ω)
Terminal No.
39
40
Approx. 108 – 132
LAN
CAN COMMUNICATION CIRCUIT
LAN-171
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 7)]
C
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Is the measurement value within the specification?
YES
>> GO TO 5.
NO
>> Replace the ECM and/or the BCM.
5.
CHECK SYMPTOM
Connect all the connectors. Check if the symptoms described in the “Symptom (Results from interview with
customer)” are reproduced.
Inspection result
Reproduced>>GO TO 6.
Non-reproduced>>Start the diagnosis again. Follow the trouble diagnosis procedure when past error is
detected.
6.
CHECK UNIT REPRODUCTION
Perform the reproduction test as per the following procedure for each unit.
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect one of the unit connectors of CAN communication system.
NOTE:
ECM and BCM have a termination circuit. Check other units first.
4. Connect the battery cable to the negative terminal. Check if the symptoms described in the “Symptom
(Results from interview with customer)” are reproduced.
NOTE:
Although unit-related error symptoms occur, do not confuse them with other symptoms.
Inspection result
Reproduced>>Connect the connector. Check other units as per the above procedure.
Non-reproduced>>Replace the unit whose connector was disconnected.
LAN-172
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 8)]
MAIN LINE BETWEEN IPDM-E AND HVAC CIRCUIT
DTC/CIRCUIT DIAGNOSIS
MAIN LINE BETWEEN IPDM-E AND HVAC CIRCUIT
Diagnosis Procedure
INFOID:0000000012200638
1.
CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose connection (connector side
and harness side).
-
Harness connector E105
-
Harness connector M77
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the following harness connectors.
-
IPDM E/R
-
Harness connectors E105 and M77
2. Check the continuity between the IPDM E/R harness connector and the harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the IPDM E/R and the harness connector E105.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the connector of A/C amp.
2. Check the continuity between the harness connector and the A/C auto amp. harness connector.
Is the inspection result normal?
YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the IPDM E/R and the A/C auto amp.
NO
>> Repair the main line between the harness connector M77 and the A/C auto amp.
IPDM E/R harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
E13
27
E105
1
Existed
26
6
Existed
Harness connector
A/C auto amp. harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M77
1
M50
6
Existed
6
7
Existed
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