Engine Control NISSAN ALMERA N16 2003 Electronic Repair Manual

REAR WINDOW DEFOGGER DOES NOT OPERATE=NJEL0553S05
1 HARNESS INSPECTION
1. Turn the ignition switch OFF.
2. Disconnect Multifunction switch connector and smart entrance controlunit connector.
3. Check continuity between Multifunction switch and smart entrance control unit.
SKIA1434E
MTBL1447
4. Check continuity between Multifunction switch and body ground.
MTBL1448
OK or NG
OK GO TO 2.
NG Replace harness or connector.
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REAR WINDOW DEFOGGER
Trouble Diagnoses/QG and YD Engine Models with Common Rail (Cont’d)
EL-183

2 CHECK REAR WINDOW DEFOGGER ON SIGNAL
1. Connect Multifunction switch connector and smart entrance control unit connector.
2. Turn the ignition switch ON.
3. Check continuity between Multifunction switch and body ground when rear window defogger switch is operated.
SKIA1435E
MTBL1449
OK or NG
OK Replace smart entrance control unit.
NG Replace Multifunction switch.
REAR WINDOW DEFOGGER
Trouble Diagnoses/QG and YD Engine Models with Common Rail (Cont’d)
EL-184

Trouble Diagnoses/YD Engine Models without
Common Rail and K9K Engine Models
=NJEL0465DIAGNOSTIC PROCEDURENJEL0465S01SYMPTOM: Rear window defogger does not activate, or does
not go off after activating.
1 CHECK REAR WINDOW DEFOGGER OUTPUT SIGNAL
1. Turn ignition switch to ON position.
2. Check voltage between time control unit harness terminal 13 and ground.
SEL455X
OK or NG
OKCheck the following.
Rear window defogger relay
(Refer to EL-189.)
Rear window defogger circuit
Rear window defogger filament
(Refer to EL-190.)
NG GO TO 2.
2 CHECK DEFOGGER RELAY COIL SIDE CIRCUIT
1. Disconnect control unit connector.
2. Turn ignition switch to ON position.
3. Check voltage between time control unit terminal 13 and ground.
SEL456X
OK or NG
OK GO TO 3.
NGCheck the following.
10A fuse [No. 10, located in the fuse block (J/B)]
Rear window defogger relay
Harness for open or short between 10A fuse [No. 10, located in the fuse block(J/B)]
and rear window defogger relay
Harness for open or short between rear window defogger relay and time control unit
REAR WINDOW DEFOGGER
Trouble Diagnoses/YD Engine Models without Common Rail and K9K Engine Models
EL-186

3 CHECK REAR WINDOW DEFOGGER SWITCH INPUT SIGNAL
Check continuity between time control unit terminal 3 and ground.
SEL457X
OK or NG
OK GO TO 4.
NGCheck the following.
Rear window defogger switch
(Refer to EL-189.)
Harness for open or short between time control unit and rear window defogger switch
Rear window defogger switch ground circuit
4 CHECK POWER SUPPLY AND IGNITION INPUT SIGNAL
Check voltage between time control unit terminals 1 or 9 and ground.
SEL447X
OK or NG
OK GO TO 5.
NGCheck the following.
10A fuse or 15A fuse [No. 10 or No. 5, located in the fuse block (J/B)]
Harness for open or short between time control unit and fuse
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REAR WINDOW DEFOGGER
Trouble Diagnoses/YD Engine Models without Common Rail and K9K Engine Models (Cont’d)
EL-187

5 CHECK CONTROL UNIT GROUND CIRCUIT
Check continuity between time control unit terminal 16 and ground.
SEL448X
Yes Replace time control unit.
No Repair harness or connectors.
REAR WINDOW DEFOGGER
Trouble Diagnoses/YD Engine Models without Common Rail and K9K Engine Models (Cont’d)
EL-188

System Description=NJEL0497AUDIO SYSTEM WITHOUT DISPLAYNJEL0497S08Refer to Owner’s Manual for audio system operating instructions.
Power is supplied at all times
through 15A fuse (No. 40, located in the fusible link and fuse block)
to audio unit terminal 9.
With the ignition switch in the ACC or ON position, power is supplied
through 10A fuse [No. 1, located in the fuse block (J/B)]
to audio unit terminal 3.
Ground is supplied through the case of the audio unit.
Audio signals are supplied
through audio unit terminals 7, 10, 11, 12, 13, 14, 15, 16
to terminals 1 and 2 of front door speaker LH and RH,
to terminals 1 and 2 of rear door speaker LH and RH and
to terminals 1 and 2 of pillar tweeter LH and RH (with 6 speakers)
AUDIO SYSTEM WITH DISPLAYNJEL0497S09Refer to Owner’s Manual for audio system operating instructions.
Power is supplied at all times
through 15A fuse (No. 40, located in the fuse and fusible link box)
to audio unit terminals 3 and 4, and
to display terminals 21 and 23.
With the ignition switch in the ACC or ON position, power is supplied
through 10A fuse [No. 1, located in the fuse block (J/B)]
to audio unit terminal 2,
to multifunction switch terminal 6 and
to display terminal 19.
Ground is supplied through the case of the audio unit.
Ground is also supplied
through body grounds M28, M67 and F118 (QG engine models)
to multifunction switch terminal 1 and
to display terminals 22 and 24.
Audio signals are supplied
through audio unit terminals 5, 6, 7, 8, 9, 10, 11, 12
to terminals 1 and 2 of front door speaker LH and RH
to terminals 1 and 2 of rear door speaker LH and RH
to terminals 1 and 2 of tweeter LH and RH
AV COMMUNICATION LINENJEL0497S10Audio system is contained and the AV communication line is connected as followings.
Display unit terminals 12 and 13, and
Multifunction switch terminals 12 and 14.
Multifunction switch terminals 11 and 13, and
Audio unit terminals 31 and 32.
Audio unit terminals 35 and 36, and
AV and NAVI control unit terminals 47 and 48 (with navigation system).
The operation is controlled by operation signals from multifunction switch, then audio screen is displayed.
NAVIGATION SYSTEM OF GUIDANCE VOICE OPERATIONNJEL0497S11When navigation system is used, guidance voice signal is supplied
from AV and NAVI control unit terminals 7 and 8
to audio unit terminals 35 and 36.
Navigation system of guidance voice will be sounded.
AUDIO
System Description
EL-192

YEL828D
PERFORMING SELF-DIAGNOSIS MODENJEL0637S02Operation ProceduresNJEL0637S02011. Start the engine.
2. Turn the audio system off.
3. Pressing the “MOD” switch and “CLOCK” switch together for
2 second.
4. When self-diagnosis activated, then all segment will be indi-
cated. For display unit self-diagnosis result items, refer to
“SELF-DIAGNOSIS RESULT ITEM” below.
NOTE:
If any button is not pressed for 20 seconds at each step or if the
ignition switch is turned OFF, the self-diagnosis mode is exited.
CAUTION:
If self-diagnosis cannot activate, refer to EL-231, “Self-Diag-
nosis Does Not Perform”.
Self-Diagnosis Result ItemNJEL0637S0202Display of All Segments Indicate
MKIB0213E
This mode is checking the display of all segments.
If any of the segment is not displayed, replace the display unit.
Backlight Dimming Check
When lighting switch is first or second position, display is dim-
ming. This mode is checking the dimmer position.
The backlight check where there is an automatic change of
brightness level (4 steps) every 2 seconds. At the end of the
backlight check, it is necessary to press any button to advance
to the next check.
Communication Line Circuit Check
Displays the self-diagnosis results on the upper zone of the
screen. If NG, error code “1” is displayed on upper zone of
screen digits 7, 8 and 9.
Display unit can check communication line open circuit
between display unit and communication control units.
Screen of upper zone Possible case Trouble diagnosis
Error code “1” is displayed on digit 7
MKIB0214E
The circuit between display unit and combi-
nation meter is open.Refer to EL-228, “Combination meter Cir-
cuit Check.
Error code “1” is displayed on digit 8
MKIB0223E
The circuit between display unit, multifunc-
tion switch and audio unit is/are open.Refer to EL-229, “AV Communication Line
Check”.
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VFD DISPLAY
Trouble Diagnosis (Cont’d)
EL-223

System DescriptionNJEL0571MULTIFUNCTION SWITCH SYSTEMNJEL0571S01Refer to Owner′s Manual for multifunction switch operating instruc-
tions.
Using the multifunction switch at the center of the instrument panel,
the controls of the following systems are centralized:
Auto A/C system
Vehicle information system
Audio system
Navigation system
PRECAUTION OF LCD MONITORNJEL0571S02When passenger compartment temperature is low, the LCD
monitor sometimes dims because of the brightness of the back
light (small fluorescent light) integrated into the LCD monitor
decrease. In this case, the refreshing rate of the picture also
becomes low because of the low response of the LCD moni-
tor. When passenger compartment becomes warm, however,
the LCD recovers the normal display.
Sometimes, black or bright dots peculiar to LCD monitor can
be seen on the display.
Back light sometimes flickers or darkens according to the total
consumption hours and the number of ON and OFF switching.
In this case, the back light should be replaced (display unit
assembly).
POWER SUPPLY AND GROUNDNJEL0571S03Power is Supplied at All TimesNJEL0571S0301through 15A fuse (No. 40, located in fuse and fusible link box)
to display unit terminals 21 and 23
to audio unit terminals 3 and 4.
When Ignition Switch is in ACC or ON Position, Power
is Supplied
NJEL0571S0302through 10A fuse [No. 1, located in fuse block (J/B)]
to display unit terminal 19,
to multifunction switch terminal 6 and
to audio unit terminal 2.
When Ignition Switch is in ON or START Position,
Power is Supplied
NJEL0571S0303through 10A fuse [No. 10, located in fuse block (J/B)]
to display unit terminal 27.
Ground is SuppliedNJEL0571S0304to multifunction switch terminal 1 and
to display unit terminals 22 and 24
through body grounds M28, M67 and F118 (QG engine mod-
els).
AV COMMUNICATION LINENJEL0571S04Display unit is controlled by the following unit with AV communica-
tion line.
Multifunction switch
Audio unit
AV and NAVI control unit
LCD DISPLAY
System Description
EL-238

Warning indicatorsWarning lamps in
instrument panelWarning detection and cancel conditions Cases of malfunction
DOOR OPEN DoorDetection conditionVehicle is running [approx. 5
km/h (3 MPH) or faster] and door
ajar of any of the doors is
detected.Doorisopen
Cancel conditionVehicle is stopped and all the
doors lock.
ABS ABSDetection conditionWarning lamp ON signal is
detected when engine is running.
ABS control system mal-
function
Cancel conditionWarning lamp OFF signal is
detected.
ESP ELECTRONIC
CONTROL SYSTEMESPDetection conditionWarning lamp ON signal is
detected when engine is running.
ESP system malfunction
Cancel conditionWarning lamp OFF signal is
detected.
CVT ELECTRONIC
CONTROL SYSTEMCVTDetection conditionWarning lamp ON signal is
detected after ignition switch is
turned ON.
TCM system malfunction
Cancel conditionWarning lamp OFF signal is
detected.
CRUISE CONTROL
SYSTEMCRUISEDetection conditionWarning lamp ON signal is
detected after ignition switch is
turned ON.
ICC system malfunction
Cancel conditionWarning lamp OFF signal is
detected.
Precautions for Display Unit ReplacementNJEL0572Record the following memorized contents before replacing the control unit.

Preset frequency
Area for indicating station, selection of overlapped stations

Program status

Volume balance memory set values
Equalizer memory set values

Brightness of light when ON/OFF
Dimming switching
Display color switching
Replace the display unit after disconnecting both battery cables.
Component Parts and Harness Connector and
Harness Connector Location
NJEL0573For details, refer to “ELECTRICAL UNIT LOCATION” (EL-543) and “HARNESS LAYOUT” (EL-550).
LCD DISPLAY
System Description (Cont’d)
EL-242

CONSULT-II APPLICATION ITEMSNJEL0580S02Door LockingNJEL0580S0201DATA MONITOR
Monitored Item Description
IGNITION SW Indicates [ON/OFF] condition of ignition switch.
KEY IN DETECT Indicates [ON/OFF] condition of key switch.
DOOR SW DR RR Indicates [ON/OFF] condition of rear door switch (driver side).
DOOR SW AS RR Indicates [ON/OFF] condition of rear door switch (passenger side).
AS DOOR SW Indicates [ON/OFF] condition of front door switch (passenger side).
DR DOOR SW Indicates [ON\OFF] condition of front door switch (driver side).
CDL LOCK SW Indicates [ON/OFF] condition of lock signal from door lock/ unlock switch.
CDL UNLOCK SW Indicates [ON/OFF] condition of unlock signal from door lock/ unlock switch.
RKE LOCK Indicates [ON/OFF] condition of lock signal from remote controller.
RKE UNLOCK Indicates [ON/OFF] condition of unlock signal from remote controller.
RKE SEL UNLOCK Indicates [ON/OFF] condition of select unlock signal from remote controller.
WORK SUPPORT
Monitored Item Description
AUTO RE-LOCKAuto re-lock function can be changed in this mode. The re-lock mode will be changed when
“CHANGE MODE” on CONSULT-II screen is touched.
SELECTIVE UNLOCKSelective unlock function can be changed in this mode. The unlock mode willbe changed when
“CHANGE SET” on CONSULT-II screen is touched.
Trunk ReleaseNJEL0580S0202DATA MONITOR
Monitored Item Description
IGNITION SW Indicates [ON/OFF] condition of ignition switch.
TRUNK OPEN SW Indicates [ON/OFF] condition of trunk room lamp switch (sedan) or back door switch (wagon).
INT TRUNK RELIndicates [ON/OFF] condition of internal trunk release switch (sedan) orinternal back door
release switch (wagon).
EXT TRUNK RELIndicates [ON/OFF] condition of external trunk release switch (sedan) orexternal back door
release switch (wagon).
RKE TRUNK RELIndicates [ON/OFF] condition of trunk (sedan) or back door (back door) open signal from trunk
or back door release switch.
WORK SUPPORT
Monitored Item Description
TRUNK OPEN DELAYThis mode can be changed trunk release switch (sedan) or back door (wagon) release switch
operation time.
POWER DOOR LOCK
Trouble Diagnosis/QG and YD Engine Models with Common Rail (Cont’d)
EL-272