Murano Cross Cabriolet Z51 (2012 year). Manual — part 31
EXL-20
< SYSTEM DESCRIPTION >
[XENON TYPE]
DIAGNOSIS SYSTEM (IPDM E/R)
DIAGNOSIS SYSTEM (IPDM E/R)
Diagnosis Description
INFOID:0000000007818534
AUTO ACTIVE TEST
Description
In auto active test mode, the IPDM E/R sends a drive signal to the following systems to check their operation.
• Oil pressure warning lamp
• Front wiper (LO, HI)
• Parking lamp
• License plate lamp
• Side maker lamp
• Tail lamp
• Front fog lamp
• Headlamp (LO, HI)
• A/C compressor (magnet clutch)
• Cooling fan
Operation Procedure
NOTE:
Never perform auto active test in the following conditions.
• CONSULT is connected
• Passenger door is open
1.
Close the hood and lift the wiper arms from the windshield. (Prevent windshield damage due to wiper
operation)
NOTE:
When auto active test is performed with hood opened, sprinkle water on windshield beforehand.
2.
Turn the ignition switch OFF.
3.
Turn the ignition switch ON, and within 20 seconds, press the front door switch (driver side) 10 times.
Then turn the ignition switch OFF.
4.
Turn the ignition switch ON within 10 seconds. After that the horn sounds once and the auto active test
starts.
5.
After a series of the following operations is repeated 3 times, auto active test is completed.
NOTE:
• When auto active test has to be cancelled halfway through test, turn the ignition switch OFF.
• When auto active test is not activated, door switch may be the cause. Check door switch. Refer to
Inspection in Auto Active Test Mode
When auto active test mode is actuated, the following 6 steps are repeated 3 times.
Operation
sequence
Inspection location
Operation
1
Oil pressure warning lamp
Blinks continuously during operation of auto active test
2
Front wiper motor
LO for 5 seconds
→
HI for 5 seconds
3
• Parking lamp
• License plate lamp
• Side maker lamp
• Tail lamp
• Front fog lamp
10 seconds
4
Headlamp
LO
⇔
HI 5 times
5
A/C compressor (magnet clutch)
ON
⇔
OFF 5 times
6
Cooling fan
LO for 5 seconds
→
MID for 3 seconds
→
HI for 2 seconds
Revision: 2013 February
2012 Murano CrossCabriolet
DIAGNOSIS SYSTEM (IPDM E/R)
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< SYSTEM DESCRIPTION >
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Concept of auto active test
• IPDM E/R starts the auto active test with the door switch signals transmitted by BCM via CAN communica-
tion. Therefore, the CAN communication line between IPDM E/R and BCM is considered normal if the auto
active test starts successfully.
• The auto active test facilitates troubleshooting if any systems controlled by IPDM E/R cannot be operated.
Diagnosis chart in auto active test mode
JMMIA0836GB
Symptom
Inspection contents
Possible cause
Any of the following components do not operate
• Parking lamp
• License plate lamp
• Side maker lamp
• Tail lamp
• Front fog lamp
• Headlamp (HI, LO)
• Front motor wiper
Perform auto active test.
Does the applicable system
operate?
YES
BCM signal input circuit
NO
• Lamp or motor
• Lamp or motor ground circuit
• Harness or connector between
IPDM E/R and applicable system
• IPDM E/R
A/C compressor does not operate
Perform auto active test.
Does the magnet clutch oper-
ate?
YES
• A/C amp. signal input circuit
• CAN communication signal between
A/C amp. and ECM
• CAN communication signal between
ECM and IPDM E/R
NO
• Magnet clutch
• Harness or connector between
IPDM E/R and magnet clutch
• IPDM E/R
Oil pressure warning lamp does not operate
Perform auto active test.
Does the oil pressure warning
lamp blink?
YES
• Harness or connector between
IPDM E/R and oil pressure switch
• Oil pressure switch
• IPDM E/R
NO
• CAN communication signal between
IPDM E/R and BCM
• CAN communication signal between
BCM and combination meter
• Combination meter
Revision: 2013 February
2012 Murano CrossCabriolet
EXL-22
< SYSTEM DESCRIPTION >
[XENON TYPE]
DIAGNOSIS SYSTEM (IPDM E/R)
CONSULT Function (IPDM E/R)
INFOID:0000000007818535
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with IPDM E/R.
SELF DIAGNOSTIC RESULT
DATA MONITOR
Monitor item
Cooling fan does not operate
Perform auto active test.
Does the cooling fan operate?
YES
• ECM signal input circuit
• CAN communication signal between
ECM and IPDM E/R
NO
• Harness or connector between
IPDM E/R and cooling fan motor
• Harness or connector between
IPDM E/R and cooling fan relay
• Cooling fan motor
• Cooling fan relay
• IPDM E/R
Symptom
Inspection contents
Possible cause
Diagnosis mode
Description
Ecu Identification
Allows confirmation of IPDM E/R part number.
Self Diagnostic Result
Displays the diagnosis results judged by IPDM E/R.
Data Monitor
Displays the real-time input/output data from IPDM E/R input/output data.
Active Test
IPDM E/R can provide a drive signal to electronic components to check their operations.
CAN Diag Support Monitor
The results of transmit/receive diagnosis of CAN communication can be read.
Monitor Item
[Unit]
MAIN SIG-
NALS
Description
MOTOR FAN REQ
[1/2/3/4]
×
Displays the value of the cooling fan speed request signal received from ECM via
CAN communication.
AC COMP REQ
[Off/On]
×
Displays the status of the A/C compressor request signal received from ECM via
CAN communication.
TAIL&CLR REQ
[Off/On]
×
Displays the status of the position light request signal received from BCM via CAN
communication.
HL LO REQ
[Off/On]
×
Displays the status of the low beam request signal received from BCM via CAN
communication.
HL HI REQ
[Off/On]
×
Displays the status of the high beam request signal received from BCM via CAN
communication.
FR FOG REQ
[Off/On]
×
Displays the status of the front fog light request signal received from BCM via
CAN communication.
FR WIP REQ
[Stop/1LOW/Low/Hi]
×
Displays the status of the front wiper request signal received from BCM via CAN
communication.
WIP AUTO STOP
[STOP P/ACT P]
×
Displays the status of the front wiper auto stop signal judged by IPDM E/R.
WIP PROT
[Off/BLOCK]
×
Displays the status of the front wiper fail-safe operation judged by IPDM E/R.
IGN RLY1 -REQ
[Off/On]
Displays the status of the ignition switch ON signal received from BCM via CAN
communication.
IGN RLY
[Off/On]
×
Displays the status of the ignition relay judged by IPDM E/R.
PUSH SW
[Off/On]
Displays the status of the push-button ignition switch judged by IPDM E/R.
Revision: 2013 February
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DIAGNOSIS SYSTEM (IPDM E/R)
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ACTIVE TEST
Test item
INTER/NP SW
[Off/On]
Displays the status of the shift position judged by IPDM E/R.
ST RLY CONT
[Off/On]
Displays the status of the starter relay status signal received from BCM via CAN
communication.
IHBT RLY -REQ
[Off/On]
Displays the status of the starter control relay signal received from BCM via CAN
communication.
ST/INHI RLY
[Off/ ST ON/INHI ON/UNKWN]
Displays the status of the starter relay and starter control relay judged by IPDM
E/R.
DETENT SW
[Off/On]
Displays the status of the CVT shift selector (detention switch) judged by IPDM E/
R.
S/L RLY -REQ
[Off/On]
NOTE:
The item is indicated, but not monitored.
S/L STATE
[LOCK/UNLOCK/UNKWN]
NOTE:
The item is indicated, but not monitored.
DTRL REQ
[Off/On]
NOTE:
The item is indicated, but not monitored.
OIL P SW
[Open/Close]
Displays the status of the oil pressure switch judged by IPDM E/R.
HOOD SW
[Off/On]
NOTE:
The item is indicated, but not monitored.
HL WASHER REQ
[Off/On]
NOTE:
The item is indicated, but not monitored.
THFT HRN REQ
[Off/On]
Displays the status of the theft warning horn request signal received from BCM
via CAN communication.
HORN CHIRP
[Off/On]
Displays the status of the horn reminder signal received from BCM via CAN com-
munication.
CRNRNG LMP REQ
[Off/On]
NOTE:
The item is indicated, but not monitored.
Monitor Item
[Unit]
MAIN SIG-
NALS
Description
Test item
Operation
Description
CORNERING LAMP
Off
NOTE:
The item is indicated, but cannot be tested.
LH
RH
HORN
On
Operates horn relay for 20 ms.
FRONT WIPER
Off
OFF
Lo
Operates the front wiper relay.
Hi
Operates the front wiper relay and front wiper high relay.
MOTOR FAN
1
OFF
2
Operates the cooling fan relay-1.
3
Operates the cooling fan relay-2.
4
Operates the cooling fan relay-2 and cooling fan relay-3.
HEAD LAMP WASHER
On
NOTE:
The item is indicated, but cannot be tested.
Revision: 2013 February
2012 Murano CrossCabriolet
EXL-24
< SYSTEM DESCRIPTION >
[XENON TYPE]
DIAGNOSIS SYSTEM (IPDM E/R)
EXTERNAL LAMPS
Off
OFF
TAIL
Operates the tail lamp relay.
Lo
Operates the headlamp low relay.
Hi
Operates the headlamp low relay and ON/OFF the headlamp high relay at 1 sec-
ond intervals.
Fog
Operates the front fog lamp relay.
Test item
Operation
Description
Revision: 2013 February
2012 Murano CrossCabriolet
BCM, IPDM E/R
EXL-25
< ECU DIAGNOSIS INFORMATION >
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ECU DIAGNOSIS INFORMATION
BCM, IPDM E/R
List of ECU Reference
INFOID:0000000007565425
ECU
Reference
BCM
BCS-53, "DTC Inspection Priority Chart"
IPDM E/R
Revision: 2013 February
2012 Murano CrossCabriolet
EXL-26
< WIRING DIAGRAM >
[XENON TYPE]
HEADLAMP SYSTEM
WIRING DIAGRAM
HEADLAMP SYSTEM
Wiring Diagram
INFOID:0000000007565426
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
GI-12, "Connector Information"
JCLWA5273GB
Revision: 2013 February
2012 Murano CrossCabriolet
AUTO LIGHT SYSTEM
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< WIRING DIAGRAM >
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AUTO LIGHT SYSTEM
Wiring Diagram
INFOID:0000000007565427
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
GI-12, "Connector Information"
JRLWC1210GB
Revision: 2013 February
2012 Murano CrossCabriolet
EXL-28
< WIRING DIAGRAM >
[XENON TYPE]
FRONT FOG LAMP SYSTEM
FRONT FOG LAMP SYSTEM
Wiring Diagram
INFOID:0000000007565428
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
GI-12, "Connector Information"
JRLWC1211GB
Revision: 2013 February
2012 Murano CrossCabriolet
TURN SIGNAL AND HAZARD WARNING LAMP SYSTEM
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< WIRING DIAGRAM >
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TURN SIGNAL AND HAZARD WARNING LAMP SYSTEM
Wiring Diagram
INFOID:0000000007565429
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
GI-12, "Connector Information"
JCLWA5287GB
Revision: 2013 February
2012 Murano CrossCabriolet
EXL-30
< WIRING DIAGRAM >
[XENON TYPE]
PARKING, LICENSE PLATE AND TAIL LAMPS SYSTEM
PARKING, LICENSE PLATE AND TAIL LAMPS SYSTEM
Wiring Diagram
INFOID:0000000007565430
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
GI-12, "Connector Information"
JCLWA5300GB
Revision: 2013 February
2012 Murano CrossCabriolet
PARKING, LICENSE PLATE AND TAIL LAMPS SYSTEM
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JCLWA5301GB
Revision: 2013 February
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EXL-32
< WIRING DIAGRAM >
[XENON TYPE]
STOP LAMP
STOP LAMP
Wiring Diagram
INFOID:0000000007565431
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
GI-12, "Connector Information"
JCLWA5293GB
Revision: 2013 February
2012 Murano CrossCabriolet
BACK-UP LAMP
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< WIRING DIAGRAM >
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BACK-UP LAMP
Wiring Diagram
INFOID:0000000007565432
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
GI-12, "Connector Information"
JCLWA5296GB
Revision: 2013 February
2012 Murano CrossCabriolet
EXL-34
< BASIC INSPECTION >
[XENON TYPE]
DIAGNOSIS AND REPAIR WORKFLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
INFOID:0000000007796146
OVERALL SEQUENCE
DETAILED FLOW
JMIIA2097GB
Revision: 2013 February
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DIAGNOSIS AND REPAIR WORKFLOW
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< BASIC INSPECTION >
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1.
GET INFORMATION FOR SYMPTOM
1.
Get detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurs).
2.
Check operation condition of the function that is malfunctioning.
>> GO TO 2.
2.
CHECK DTC
1.
Check DTC.
2.
Perform the following procedure if DTC is detected.
-
Record DTC and freeze frame data (Print them out using CONSULT.)
-
Erase DTC.
-
Study the relationship between the cause detected by DTC and the symptom described by the customer.
3.
Check related service bulletins for information.
Are any symptoms described and any DTC detected?
Symptom is described, DTC is detected>>GO TO 3.
Symptom is described, DTC is not detected>>GO TO 4.
Symptom is not described, DTC is detected>>GO TO 7.
3.
CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer.
Also study the normal operation and fail-safe related to the symptom.
Verify relation between the symptom and the condition when the symptom is detected.
>> GO TO 7.
4.
CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer.
Also study the normal operation and fail-safe related to the symptom.
Verify relation between the symptom and the condition when the symptom is detected.
>> GO TO 5.
5.
SELF-DIAGNOSIS WITH ON BOARD DIAGNOSIS SYSTEM
Perform the self-diagnosis with on board diagnosis. Check that whether malfunction result is detected or not.
Is malfunction result detected?
YES
>> GO TO 6.
NO
>> GO TO 8.
6.
TROUBLE DIAGNOSIS BY MALFUNCTION
Perform the trouble diagnosis for the detected malfunction result. Specify the malfunctioning part.
>> GO TO 9.
7.
PERFORM DTC CONFIRMATION PROCEDURE
Perform DTC CONFIRMATION PROCEDURE for the detected DTC, and then check that DTC is detected
again. At this time, always connect CONSULT to the vehicle, and check self diagnostic results in real time.
If two or more DTCs are detected, refer to DTC INSPECTION PRIORITY CHART, and determine trouble diag-
nosis order.
NOTE:
• Freeze frame data is useful if the DTC is not detected.
• Perform Component Function Check if DTC CONFIRMATION PROCEDURE is not included on Service
Manual. This simplified check procedure is an effective alternative though DTC cannot be detected during
this check.
If the result of Component Function Check is NG, it is the same as the detection of DTC by DTC CONFIR-
MATION PROCEDURE.
Is DTC detected?
Revision: 2013 February
2012 Murano CrossCabriolet
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