Nissan Juke F15. Instruction — part 198
BCM, IPDM E/R
DEF-17
< ECU DIAGNOSIS INFORMATION >
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ECU DIAGNOSIS INFORMATION
BCM, IPDM E/R
List of ECU Reference
INFOID:0000000012196822
ECU
Reference
BCM
(With Intelligent Key system)
BCS-61, "DTC Inspection Priority Chart"
IPDM E/R
(With Intelligent Key system)
DEF-18
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORK FLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
INFOID:0000000012196823
DETAILED FLOW
1.
OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain the malfunction information (conditions and environment when the malfunc-
tion occurred) as much as possible when the customer brings the vehicle in.
>> GO TO 2.
2.
CHECK FOR DTC
Perform self diagnosis with CONSULT.
Is any DTC detected?
YES-1 >> BCM: Refer to
(With Intelligent Key system).
YES-2 >> IPDM E/R: Refer to
(With Intelligent Key system).
NO
>> GO TO 3.
3.
REPRODUCE THE MALFUNCTION INFORMATION
Check the malfunction on the vehicle that the customer describes.
Inspect the relation of the symptoms and the condition when the symptoms occur.
>> GO TO 4.
4.
IDENTIFY THE MALFUNCTIONING SYSTEM WITH “SYMPTOM DIAGNOSIS”
Use “Symptom diagnosis” from the symptom inspection result in step 3. Then identify where to start perform-
ing the diagnosis based on possible causes and symptoms.
>> GO TO 5.
5.
IDENTIFY MALFUNCTIONING PARTS WITH “COMPONENT DIAGNOSIS”
Perform the diagnosis with “Component diagnosis” of the applicable system.
>> GO TO 6.
6.
REPAIR OR REPLACE THE MALFUNCTIONING PARTS
Repair or replace the specified malfunctioning parts.
>> GO TO 7.
7.
FINAL CHECK
Check that malfunctions are not reproduced when obtaining the malfunction information from the customer,
referring to the symptom inspection result in step 3.
Are all malfunctions corrected?
YES
>> INSPECTION END
NO
>> GO TO 4.
REAR WINDOW DEFOGGER SWITCH
DEF-19
< DTC/CIRCUIT DIAGNOSIS >
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DTC/CIRCUIT DIAGNOSIS
REAR WINDOW DEFOGGER SWITCH
WITH AUTO A/C
WITH AUTO A/C : Description
INFOID:0000000012196824
• The rear window defogger is operated by turning the rear window defogger switch ON.
• The indicator lamp in the rear window defogger switch illuminates when the rear window defogger is operat-
ing.
WITH AUTO A/C : Component Function Check
INFOID:0000000012196825
1.
CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
Check that the indicator lamp of rear window defogger illuminates when rear window defogger switch ON.
Is the inspection result normal?
YES
>> Rear window defogger switch function is OK.
NO
>> Refer to
DEF-19, "WITH AUTO A/C : Diagnosis Procedure"
WITH AUTO A/C : Diagnosis Procedure
INFOID:0000000012196826
1.
CHECK MULTI DISPLAY UNIT (REAR WINDOW DEFOGGER SWITCH)
Does multi display unit (rear window defogger switch) operate normally?
DEF-19, "WITH AUTO A/C : Description"
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace multi display unit (rear window defogger switch). Refer to
.
WITHOUT AUTO A/C
WITHOUT AUTO A/C : Description
INFOID:0000000012196827
• The rear window defogger is operated by turning the rear window defogger switch ON.
• The indicator lamp in the rear window defogger switch illuminates when the rear window defogger is operat-
ing.
WITHOUT AUTO A/C : Component Function Check
INFOID:0000000012196828
1.
CHECK FUNCTION
Check (REAR DEF SW) in BCM “DATA MONITOR” mode using CONSULT when rear window defogger switch
is ON.
Is the inspection result normal?
YES
>> Rear window defogger switch function is OK.
NO
>> Refer to
DEF-19, "WITHOUT AUTO A/C : Diagnosis Procedure"
WITHOUT AUTO A/C : Diagnosis Procedure
INFOID:0000000012196829
1.
CHECK BCM OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect A/C control connector.
3. Check voltage between A/C control harness connector and ground.
(+)
(–)
Voltage (V)
(Approx.)
A/C control
Connector
Terminal
M53
3
Ground
Battery voltage
DEF-20
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER SWITCH
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK REAR WINDOW DEFOGGER SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and A/C control harness connector.
3. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-94, "Removal and Installation"
(With Intelligent Key system)y sys-
tem).
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
Check continuity between A/C control harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK REAR WINDOW DEFOGGER SWITCH
DEF-20, "WITHOUT AUTO A/C : Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace A/C control. Refer to
HAC-151, "Removal and Installation"
.
5.
CHECK INTERMITTENT INCIDENT
GI-45, "Intermittent Incident"
Is the inspection result normal?
>> INSPECTION END
WITHOUT AUTO A/C : Component Inspection
INFOID:0000000012196830
1.
CHECK REAR WINDOW DEFOGGER SWITCH
1. Turn ignition switch OFF.
2. Disconnect A/C control connector.
3. Check continuity between A/C control terminals.
BCM
A/C control
Continuity
Connector
Terminal
Connector
Terminal
With Intelligent
Key system
M68
15
M53
3
Existed
BCM
Ground
Continuity
Connector
Terminal
With Intelligent Key
system
M68
15
Not existed
A/C control
Ground
Continuity
Connector
Terminal
M53
8
Existed
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