2008 NISSAN LATIO Service Repair Manual

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Page 2545 of 2771

NISSAN LATIO 2008 Service Repair Manual TROUBLE DIAGNOSIS
RF-15
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Terminal and Reference Value for Sunroof Motor AssemblyINFOID:0000000001704196
Work FlowINFOID:0000000001704197
1. Check

TROUBLE DIAGNOSIS
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Terminal and Reference Value for Sunroof Motor AssemblyINFOID:0000000001704196
Work FlowINFOID:0000000001704197
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to RF-10, "
System Description" .
3. According to the trouble diagnosis chart, repair or replace the cause of the malfunction.
Refer to RF-16, "
Trouble Diagnosis Chart by Symptom" .
4. Does sunroof system operate normally? If Yes, GO TO 5. If No, GO TO 3.
5. Inspection End.
CONSULT-III Function (BCM)INFOID:0000000001704198
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
Te r m i n a lWire col-
orItem ConditionVoltag e
(Approx.)
1 R Sunroof switch (UP/CLOSE) signalIgnition switch ON and sunroof
switch in UP/CLOSE position0
Ignition switch ON and sunroof
switch in OFF positionBattery voltage
5 G Sunroof switch (DOWN/OPEN) signalIgnition switch ON and sunroof
switch in DOWN/OPEN position0
Ignition switch ON and sunroof
switch in OFF positionBattery voltage
7PBAT power supply — Battery voltage
8 O Vehicle speed signalSpeedometer operated [when ve-
hicle speed is approx. 40 km/h
(25 MPH)]
9 W RAP signalIgnition switch ON Battery voltage
Within 45 seconds after ignition
switch is turned OFFBattery voltage
When front door LH or RH is
opened while retained power is
operating0
10 B Ground — 0
ELF1080D
BCM diagnostic
test itemDiagnostic mode Description
Inspection by partWORK SUPPORTSupports inspections and adjustments. Commands are transmitted to the BCM for
setting the status suitable for required operation, input/output signals are received
from the BCM and received data is displayed.
DATA MONITOR Displays BCM input/output data in real time.
ACTIVE TEST Operation of electrical loads can be checked by sending drive signal to them.
SELF-DIAG RESULTS Displays BCM self-diagnosis results.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
ECU PART NUMBER BCM part number can be read.
CONFIGURATION Performs BCM configuration read/write functions.

Page 2546 of 2771

NISSAN LATIO 2008 Service Repair Manual RF-16
< FUNCTION DIAGNOSIS >
TROUBLE DIAGNOSIS
Work Support
INFOID:0000000001704199
Active TestINFOID:0000000001704200
Data MonitorINFOID:0000000001704201
Trouble Diagnosis Chart by SymptomINFOID:0000

RF-16
< FUNCTION DIAGNOSIS >
TROUBLE DIAGNOSIS
Work Support
INFOID:0000000001704199
Active TestINFOID:0000000001704200
Data MonitorINFOID:0000000001704201
Trouble Diagnosis Chart by SymptomINFOID:0000000001704202
BCM Power Supply and Ground Circuit InspectionINFOID:0000000001704203
Refer to BCS-15, "BCM Power Supply and Ground Circuit Inspection" .
Sunroof Switch System InspectionINFOID:0000000001704204
1.SUNROOF SWITCH INPUT SIGNAL CHECK
Work item Description
RETAINED PWR SETRAP signal’s power supply period can be changed by mode setting. Selects RAP sig-
nal’s power supply period between the following three steps.
• MODE 1 (45 sec.) / MODE 2 (OFF) / MODE 3 (2 min.)
Test item Description
RETAINED PWRThis test is able to supply RAP signal (power) from BCM to power window system,
power sunroof system. Those systems can be operated when turning on "RETAINED
PWR" on CONSULT-III screen even if the ignition switch is turned OFF.
NOTE:
During this test, CONSULT-III can be operated with ignition switch in "OFF" po-
sition. "RETAINED PWR" should be turned "ON" or "OFF" on CONSULT-III
screen when ignition switch ON. Then turn ignition switch OFF for checking re-
tained power operation. CONSULT-III might be stuck if "RETAINED PWR" is
turned "ON" or "OFF" on CONSULT-III screen when ignition switch is OFF.
Monitored item Description
IGN ON SW Indicates [ON/OFF] condition of ignition switch.
DOOR SW-DR Indicates [ON/OFF] condition of front door switch LH.
DOOR SW-AS Indicates [ON/OFF] condition of front door switch RH.
Symptom Diagnostic procedure and repair order Refer to page
Sunroof does not operate.1. BCM power supply and ground circuit checkBCS-15
2. Sunroof motor assembly power supply and ground
circuit checkRF-18
3. Sunroof switch system checkRF-16
4. Replace sunroof motor assemblyRF-21
Motor does not stop at the sunroof fully-open or fully-closed
position.1. Initialization procedure checkRF-10
2. Replace sunroof motor assemblyRF-21
Retained power operation does not operate properly.1. Check the retained power operation mode settingRF-102. BCM power supply and ground circuit checkBCS-15
3. Door switch checkRF-19
4. Replace sunroof motor assemblyRF-21
Sunroof does not do the interruption detection. 1. Replace sunroof motor assemblyRF-21

Page 2547 of 2771

NISSAN LATIO 2008 Service Repair Manual TROUBLE DIAGNOSIS
RF-17
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1. Turn ignition switch ON.
2. Check voltage between sunroof motor assembly connector and
ground.
OK or NG
OK >> Sunroof

Page 2548 of 2771

NISSAN LATIO 2008 Service Repair Manual RF-18
< FUNCTION DIAGNOSIS >
TROUBLE DIAGNOSIS
Check continuity between sunroof switch terminals 1, 3 and 2.
OK or NG
OK >> Replace sunroof motor assembly. Refer to RF-21, "Removal and Installatio

Page 2549 of 2771

NISSAN LATIO 2008 Service Repair Manual TROUBLE DIAGNOSIS
RF-19
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1. Turn ignition switch OFF.
2. Disconnect BCM and sunroof motor assembly connectors.
3. Check continuity between BCM con

Page 2550 of 2771

NISSAN LATIO 2008 Service Repair Manual RF-20
< FUNCTION DIAGNOSIS >
TROUBLE DIAGNOSIS
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM.
3. Check continuity between BCM connector M18, M19 terminals
12, 47 and door switch conne

Page 2551 of 2771

NISSAN LATIO 2008 Service Repair Manual SUNROOF
RF-21
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ON-VEHICLE REPAIR
SUNROOF
Removal and InstallationINFOID:0000000001704207
CAUTION:
• After installation or any adjustment, check c

Page 2552 of 2771

NISSAN LATIO 2008 Service Repair Manual RF-22
< ON-VEHICLE REPAIR >
SUNROOF
SUNROOF UNIT ASSEMBLY
1. Glass lid 2. Rear drain assembly 3. Link assembly (RH)
4. Sunroof bracket 5. Wind deflector 6. Drain hose
7. Sunroof unit assembly 8. Sunro

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