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K ELECTRICAL
A
B
SECTION
DRIVER INFORMATION SYSTEM C
D
E
CONTENTS
PRECAUTIONS ......................................................... 2
. OUTSIDE TEMPERATURE DISPLAY ................ 18 . F
Precautions for Supplemental Restraint System DIRECTION DISPLAY ........................................ 18 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Wiring Diagram -- COMPAS -- ............................ 19 .
SIONER" ................................................................. 2
. Trouble Diagnoses ................................................ 20 . G
Wiring Diagrams and Trouble Diagnosis ................. 2 . PRELIMINARY CHECK FOR THERMOMETER 20 ...
METERS AND GAUGES ........................................... 3 . INSPECTION/COMPASS AND THERMOME-
Component Parts and Harness Connector Location 3 ..... TER .................................................................... 20
.
H
System Description ................................................. 4
. Calibration Procedure for Compass ...................... 21 .
UNIFIED CONTROL METER ............................... 4 . CORRECTION FUNCTIONS OF COMPASS ..... 21 .
HOW TO CHANGE THE DISPLAY FOR ODO/ INITIAL CORRECTION PROCEDURE FOR
TRIP METER ....................................................... 4
. COMPASS .......................................................... 21. I
POWER SUPPLY AND GROUND CIRCUIT ....... 4 . WARNING LAMPS ................................................... 22 .
FUEL GAUGE ...................................................... 4
. Circuit Diagram ...................................................... 22
.
WATER TEMPERATURE GAUGE ....................... 4 . Wiring Diagram -- WARN -- ................................. 23 . J
TACHOMETER .................................................... 5 . MODELS WITHOUT POWER DOOR LOCKS ... 24
SPEEDOMETER .................................................. 5 . MODELS WITH POWER DOOR LOCKS ........... 25 .
Combination Meter .................................................. 6
. Electrical Components Inspection ......................... 30 . DI
Wiring Diagram -- METER -- ................................. 8 . FUEL WARNING LAMP SENSOR CHECK ....... 30 .
Meter/Gauge Operation and Odo/Trip Meter Seg- OIL PRESSURE SWITCH CHECK .................... 30 .
ment Check in Diagnosis Mode .............................. 9 . DIODE CHECK .................................................. 30 .
DIAGNOSIS FUNCTION ...................................... 9 . WARNING CHIME .................................................... 31 . L
HOW TO ALTERNATE DIAGNOSIS MODE ........ 9 . Component Parts and Harness Connector Location 31 ...
Trouble Diagnoses ................................................ 10
. System Description ................................................ 31 .
PRELIMINARY CHECK ..................................... 10 . MODELS WITHOUT POWER DOOR LOCKS ... 31 M
SYMPTOM CHART .............................................11 . MODELS WITH POWER DOOR LOCKS ........... 32 .
POWER SUPPLY AND GROUND CIRCUIT Wiring Diagram -- CHIME -- ................................ 34 .
CHECK ............................................................... 12
. MODELS WITHOUT POWER DOOR LOCKS ... 34
INSPECTION/VEHICLE SPEED SENSOR ....... 13 . MODELS WITH POWER DOOR LOCKS ........... 35 .
INSPECTION/ENGINE REVOLUTION SIGNAL 14 ... Trouble Diagnoses ................................................ 36 .
INSPECTION/FUEL LEVEL SENSOR UNIT ..... 15 . SYMPTOM CHART ............................................ 36 .
INSPECTION/THERMAL TRANSMITTER ........ 16 . POWER SUPPLY AND GROUND CIRCUIT
Electrical Components Inspection ......................... 17 . CHECK ............................................................... 37
.
FUEL LEVEL SENSOR UNIT CHECK ............... 17 . LIGHTING SWITCH INPUT SIGNAL CHECK .... 38 .
THERMAL TRANSMITTER CHECK .................. 17 . KEY SWITCH (INSERTED) CHECK .................. 38 .
VEHICLE SPEED SENSOR SIGNAL CHECK ... 17 SEAT BELT BUCKLE SWITCH LH CHECK ....... 40 .
COMPASS AND THERMOMETER ......................... 18 . FRONT DOOR SWITCH LH CHECK ................. 41 .
System Description ............................................... 18
.
DI-1
PRECAUTIONS
PRECAUTIONS PFP:00001
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EKS003KS
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:
q To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.
q Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
q Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Wiring Diagrams and Trouble Diagnosis EKS0037H
When you read wiring diagrams, refer to the following:
q GI-13, "How to Read Wiring Diagrams"
q PG-8, "POWER SUPPLY ROUTING"
When you perform trouble diagnosis, refer to the following:
q GI-9, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES"
q GI-25, "How to Perform Efficient Diagnosis for an Electrical Incident"
Check for any Service bulletins before servicing the vehicle.
DI-2
METERS AND GAUGES
METERS AND GAUGES PFP:24814
A
Component Parts and Harness Connector Location EKS0034Z
B
C
D
E
F
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WKIA1595E
DI-3
METERS AND GAUGES
System Description EKS00350
UNIFIED CONTROL METER
q Speedometer, odo/trip meter, tachometer, fuel gauge and water temperature gauge are controlled totally
by unified meter control unit combined with speedometer and odo/trip meter.
q Digital meter is adopted for odo/trip meter.*
*The record of the odometer is kept even if the battery cable is disconnected. The record of the trip meter
is erased when the battery cable is disconnected.
q Odo/trip meter segment can be checked in diagnosis mode.
q Meter/gauge can be checked in diagnosis mode.
HOW TO CHANGE THE DISPLAY FOR ODO/TRIP METER
SEL253V
NOTE:
Turn ignition switch ON to operate odo/trip meter.
POWER SUPPLY AND GROUND CIRCUIT
Power is supplied at all times
q through 7.5A fuse [No. 28, located in the fuse block (J/B)]
q to combination meter terminal 31.
With the ignition switch in the ON or START position, power is supplied
q through 10A fuse [No. 11, located in the fuse block (J/B)]
q to combination meter terminal 32.
Ground is supplied
q to combination meter terminal 33
q through body grounds M14 and M68.
FUEL GAUGE
The fuel gauge indicates the approximate fuel level in the fuel tank. The reading on the gauge is based on the
resistance of the fuel level sensor unit.
The fuel gauge is regulated by a variable ground signal supplied
q to combination meter terminal 47
q through fuel level sensor unit terminal 2
q through fuel level sensor unit terminal 4
q through body grounds B106 and B116.
WATER TEMPERATURE GAUGE
The water temperature gauge indicates the engine coolant temperature. The reading on the gauge is based
on the resistance of the thermal transmitter.
DI-4
METERS AND GAUGES
The water temperature gauge is regulated by a variable ground signal supplied
q to combination meter terminal 46 A
q through thermal transmitter terminal 1.
As the temperature of the coolant increases, the resistance of the thermal transmitter decreases and the nee-
dle on the gauge moves from C to H. B
TACHOMETER
The tachometer indicates engine speed in revolutions per minute (rpm). C
The tachometer is regulated by a signal
q to combination meter terminal 48
q from ECM terminal 3. D
SPEEDOMETER
The vehicle speed sensor provides a voltage signal to the combination meter for the speedometer.
The voltage is supplied E
q to combination meter terminals 34 and 35
q from vehicle speed sensor terminals 1 and 2.
The unified meter control unit converts the voltage to the vehicle speed and displays it on the speedometer. F
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DI-5
METERS AND GAUGES
Combination Meter EKS00351
LKIA0144E
DI-6
METERS AND GAUGES
A
B
C
D
E
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WKWA0965E
DI-7
METERS AND GAUGES
Wiring Diagram -- METER -- EKS00352
WKWA0966E
DI-8
METERS AND GAUGES
Meter/Gauge Operation and Odo/Trip Meter Segment Check in Diagnosis Mode
EKS00353 A
DIAGNOSIS FUNCTION
q Odo/trip meter segment can be checked in diagnosis mode.
q Meters/gauges can be checked in diagnosis mode. B
HOW TO ALTERNATE DIAGNOSIS MODE
1. Turn ignition switch ON while pressing and holding trip reset switch for 0.8 second.
C
2. Push trip reset switch 3 times within 7 seconds.
3. All odo/trip meter segments should be turned on.
NOTE:
D
If some segments are not turned on, speedometer (unified
meter control unit) with odo/trip meter should be replaced.
At this point, the unified meter control unit is in diagnosis mode.
E
F
SEL110V
G
4. Push odo/trip meter switch. Indication of each meter/gauge
should be as shown in figure at right while pushing odo/trip
meter switch if it is not malfunctioning.
H
NOTE:
It takes about 1 minute for indication of fuel gauge to
become stable.
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WEL900A
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DI-9
METERS AND GAUGES
Trouble Diagnoses EKS00354
PRELIMINARY CHECK
WEL835A
*1: DI-9 *2: DI-12 *3: DI-11
DI-10
METERS AND GAUGES
SYMPTOM CHART
Symptom Possible causes Repair order
A
Speedometer and odo/trip q Signal 1. Check vehicle speed sensor.
meter are malfunctioning. - Speedometer, Odo/Trip meter Refer to DI-13, "INSPECTION/VEHICLE SPEED SEN-
q Unified meter control unit SOR" . B
2. Replace combination meter.
Multiple meters/gauges are q Unified meter control unit q Replace combination meter.
malfunctioning (except C
speedometer, odo/trip
meter).
One gauge (tachometer, q Unified meter control unit q Replace combination meter. D
fuel gauge or water temp.
gauge) is malfunctioning.
Before starting trouble diagnoses above, refer to DI-10, "PRELIMINARY CHECK" . E
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DI-11
METERS AND GAUGES
POWER SUPPLY AND GROUND CIRCUIT CHECK
Power Supply Circuit Check
Terminals
Ignition switch position
(+)
Terminal (-)
Connector OFF ACC ON
(wire color)
Battery Battery Battery
M39 31 (R/Y) Ground
voltage voltage voltage
Battery
M39 32 (W/B) Ground 0V 0V
voltage
If NG, check the following. WEL791A
q 7.5A fuse [No. 28, located in fuse block (J/B)]
q 10A fuse [No. 11, located in fuse block (J/B)]
q Harness for open or short between fuse and combination meter
Ground Circuit Check
Terminals
(+)
Continuity
Terminal (wire (◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo