sensor NISSAN PRIMERA 1999 Electronic Repair Manual

Removal and Installation
Front sensor
YEL621B
4.0 - 5.0 (0.4 - 0.51, 35 - 44)
Front linkage to be clamped onto
stabilizer bar with wheels down
and suspension settled. Rotation
to be fixed with link arm in hori-
zontal plane.
18 mm (0.71 in)
3.3 - 7.7 (0.33 - 0.79, 29 - 68)
Rear sensor
3.3 - 7.7 (0.33 - 0.79, 29 - 68)
:N·m (kg-m, in-lb)3.3 - 7.7 (0.33 - 0.79, 29 - 68)The rear sensor linkage does not
require setting, but with the wheel on
the ground and the suspension
settled, ensure that the link arm in the
same plane as the connector wire.
HEADLAMP—Headlamp Aiming Control (Auto)—
EL-99

YEL166C
A/C CONTROL
PANELHEATER ILLUMI-
NATION
.ELECTRIC SPEEDOMETER
TACHOMETER
WATER TEMPERATURE GAUGE
FUEL GAUGE
FUEL WARNING LAMP
TRIP COMPUTER:
TCOUTSIDE AIR TEMPERATURE GAUGE:OG
COMBINATION
METER
: With CVT
: With M/T
: With air conditioner
: Without air conditioner
: With GA engine
: With SR engine or QG engine
: With gasoline engine
: With diesel engine
: With trip computer
: With outside air temperature gauge
THERMAL TRANS-
MITTERFUEL LEVEL
SENSOR UNIT
REFER TO THE FOLLOWING
ELECTRICAL UNITS
ELECTRICAL UNITS
METER AND GAUGES
Wiring Diagram—METER—/MODELS
BEFORE VIN - P11U0548750 (Cont’d)
EL-143

INSPECTION/VEHICLE SPEED SENSOR
CHECK VEHICLE SPEED SENSOR OUT-
PUT.
1) Remove vehicle speed sensor from
transmission.
2) Check voltage between combination
meter terminals

3and
1while
quickly turning speed sensor pinion.
OK
NG
Vehicle speed sensor is OK.
CHECK POWER SOURCE.
Re-install vehicle speed sensor.
Turn ignition switch to“ON”position.
Check voltage between vehicle speed sen-
sor connector terminal

3and ground.
Battery voltage should exist.
OK
NG
Check harness for open or
short between speedometer
and vehicle speed sensor.
CHECK GROUND CIRCUIT OF VEHICLE
SPEED SENSOR

Turn ignition switch to the“LOCK”posi-
tion.
Disconnect vehicle speed sensor connector.
Check continuity between vehicle speed
sensor harness connector terminal

1and
body ground.
Continuity should exist.
OK
NG
Repair harness or connec-
tor
Check continuity between speedometer har-
ness connector terminal

3and vehicle
speed sensor connector terminal

2.
Continuity should exist.
OK
NG
Repair harness and connec-
tor.
Replace vehicle speed sensor.
YEL491B
Combination meter
connector
Vehicle speed
sensor
This connector should
remain connected.
Vehicle speed
sensor pinion
YEL493B
Combination meter connector
YEL494B
Vehicle speed sensor connectors
YEL495B
Vehicle speed
sensor
connectorsCombination
meter connector




METER AND GAUGES
Trouble Diagnoses (Models before VIN -
P11U0548750) (Cont’d)
EL-156

INSPECTION/ENGINE REVOLUTION SIGNAL
CHECK ECM OUTPUT.
1. Start engine.
2. Check voltage between combination
meter terminals

1and
11at idle and
2,000 rpm.
Higher rpm = Higher voltage
Lower rpm = Lower voltage
Voltage should change with rpm.
NG
OK
Engine revolution signal is
OK.
Check the following
Combination meter terminal
1ground
circuit

Harness for open or short between ECM
and combination meter
INSPECTION/FUEL LEVEL SENSOR
CHECK GROUND CIRCUIT FOR
FUEL LEVEL SENSOR UNIT.
Check harness continuity between fuel
level sensor unit terminal

3and
ground.
Continuity should exist.
OK
NG
Repair harness or con-
nector.
CHECK GAUGE UNITS.
Refer to“FUEL LEVEL SENSOR UNIT
CHECK”(EL-164).
OK
NG
Repair or replace.
Refer to FE section in
Service Manual.
CHECK HARNESS FOR OPEN OR
SHORT
1. Disconnect combination connector
and fuel level sensor unit connector.
2. Check continuity between combina-
tion meter terminal

20and fuel
level sensor unit terminal

1.
Continuity should exist.
3. Check continuity between combina-
tion meter

20and ground.
Continuity should exist.
OK
NG
Repair harness or con-
nector.
Fuel level sensor is OK.
YEL492B Combination meter connector
NEL764
Fuel level sensor
unit connector
NEL763
Combination meter
connectorFuel level sensor unit
connector




METER AND GAUGES
Trouble Diagnoses (Models before VIN -
P11U0548750) (Cont’d)
EL-157

INSPECTION/VEHICLE SPEED SENSOR
(MT models without ABS, and CVT models)
CHECK VEHICLE SPEED SENSOR
OUTPUT.
1) Remove vehicle speed sensor from
transmission.
2) Check voltage between combination
meter terminals

10and
31while
quickly turning speed sensor pinion.
OK
NG
Vehicle speed sensor is
OK.
CHECK POWER SOURCE.

Re-install vehicle speed sensor.

Turn ignition switch to“ON”position.
Check voltage between vehicle speed
sensor connector terminal

3and
ground.
Battery voltage should exist.
OK
NG
Check harness for open
or short between speed-
ometer and vehicle
speed sensor.
CHECK GROUND CIRCUIT OF
VEHICLE SPEED SENSOR

Turn ignition switch to the“LOCK”
position.
Disconnect vehicle speed sensor con-
nector.
Check continuity between vehicle
speed sensor harness connector termi-
nal

1and body ground.
Continuity should exist.
OK
NG
Repair harness or con-
nector
Check continuity between speedometer
harness connector terminal

31and
vehicle speed sensor connector termi-
nal

2.
Continuity should exist.
OK
NG
Repair harness and con-
nector.
Replace vehicle speed sensor.
YEL009D
YEL493B
Combination meter connector
YEL494B
Vehicle speed sensor connectors
YEL011D




METER AND GAUGES
Trouble Diagnoses (Models after VIN -
P11U0548750) (Cont’d)
EL-160

INSPECTION/VEHICLE SPEED SENSOR
(MT models with ABS)
CHECK VEHICLE SPEED SENSOR
OUTPUT.
1) Jack up the front wheels.
2) Turn ignition switch“ON”.
3) Check voltage between combination
meter terminals

3and
1while
turning front wheels.
OK
NG
Vehicle speed sensor is
OK.
Check continuity between speedometer
harness connector terminal

31and
ABS actuator and electric unit connec-
tor terminal

6.
Continuity should exist.
OK
NG
Repair harness and con-
nector.
Replace vehicle speed sensor.YEL010D
YEL012D


METER AND GAUGES
Trouble Diagnoses (Models after VIN -
P11U0548750) (Cont’d)
EL-161

INSPECTION/ENGINE REVOLUTION SIGNAL
CHECK ECM OUTPUT.
1. Start engine.
2. Check voltage between combination
meter terminals

10and
22at idle
and 2,000 rpm.
Higher rpm = Higher voltage
Lower rpm = Lower voltage
Voltage should change with rpm.
NG
OK
Engine revolution signal
is OK.
Check the following

Combination meter terminal
1
ground circuit

Harness for open or short between
ECM and combination meter
INSPECTION/FUEL LEVEL SENSOR
CHECK GROUND CIRCUIT FOR
FUEL LEVEL SENSOR UNIT.
Check harness continuity between fuel
level sensor unit terminal

3and
ground.
Continuity should exist.
OK
NG
Repair harness or con-
nector.
CHECK GAUGE UNITS.
Refer to“FUEL LEVEL SENSOR UNIT
CHECK”.
OK
NG
Repair or replace.
Refer to FE section in
Service Manual.
CHECK HARNESS FOR OPEN OR
SHORT
1. Disconnect combination connector
and fuel level sensor unit connector.
2. Check continuity between combina-
tion meter terminal

24and fuel
level sensor unit terminal

1.
Continuity should exist.
3. Check continuity between combina-
tion meter

24and ground.
Continuity should exist.
OK
NG
Repair harness or con-
nector.
Fuel level sensor is OK.
YEL013D
NEL764 Fuel level sensor
unit connector
YEL014D




METER AND GAUGES
Trouble Diagnoses (Models after VIN -
P11U0548750) (Cont’d)
EL-162

Fuel Level Sensor Unit Check

For removal, refer to FE section (“FUEL SYSTEM”).
Check the resistance between terminals (G) and (E).
QG & SR Engine Models
Ohmmeter
Float position mm (in)Resistance
value
(Ω) (+) ()
GE*3 Full 151 (5.945) 7.5 - 9.5
*2 1/2 88 (3.465) 88.5 - 93.5
*1 Empty 15 (0.591) 180.0 - 186.8
*1 and *3: When float rod is in contact with stopper.
CD20T Engine Models
Ohmmeter
Float position mm (in)Resistance
value
(Ω) (+) ()
GE*3 Full 18 (0.709) 7.5 - 9.5
*2 1/2 84 (3.307) 88.5 - 93.5
*1 Empty 158 (6.220) 180.0 - 186.8
*1 and *3: When float rod is in contact with stopper.
Thermal Transmitter Check
Check the resistance between the terminals of thermal transmit-
ter and body ground.
Water temperature°C(°F) Resistance (Ω)
65 (149) Approx. 951 - 1109
91 (196) Approx. 433 - 510
NEL330G
E
*3
*2
*1
NEL329
EG
*1
*2
*3
SEL233P Ohmmeter
METER AND GAUGES
EL-164

Warning Lamps/Schematic
MODELS BEFORE VIN - P11U0548750
YEL167C
GLOW
MALFUNCTION INDICA-
TOR LAMP
ABS
BRAKE
WASH
DOOR
CHARGE
OIL
FUELElectronic
speedometer
module
COMBINATION METER
IGNITION SWITCH
ON or START
FUSE
AIR BAG: M/T models
: CVT models
:H⋅CVT models
:H⋅CVT (M6) models
: With GA engine
: With SR engine or QG engine
: With diesel engine
TIME CON-
TROL UNIT
DIAGNOSIS
SENSOR
UNITFUEL
LEVEL
SENSOR
UNITOIL PRES-
SURE
SWITCHALTER-
NATORFRONT
DOOR
SWITCH
(DRIVER
SIDE)FRONT
DOOR
SWITCH
(PASSEN-
GER SIDE)REAR
DOOR
SWITCH
LHREAR
DOOR
SWITCH
RHWASHER
LEVEL
SWITCHBRAKE
FLUID
LEVEL
SWITCHPARKING
BRAKE
SWITCH
VACUUM
SWITCHSEDIMENTER
SENSOR
ABS
ACTUATOR
AND ELEC-
TRIC UNIT
(CONTROL
UNIT)TCM (TRANS-
MISSION CON-
TROL MODULE)
CVT WARNING LAMP
SPORT INDICATOR LAMP
TRUNK ROOM
LAMP SWITCH
OR
LUGGAGE
ROOM LAMP
SWITCH
ECM
WARNING LAMPS
EL-165

Wiring Diagram—WARN—
MODELS BEFORE VIN - P11U0548750
YEL168C
IGNITION SWITCH
ON or START
FUSE BLOCK
(J/B)Refer to EL-POWER.: CVT models
: M/T models
AIR BAGFUEL
ELECTRONIC
SPEEDOMETER
MODULEOILCOMBINATION
METER
FUEL LEVEL SEN-
SOR UNIT
DIAGNOSIS
SENSOR
UNITLOWHIGHOIL PRES-
SURE SWITCH
REFER TO THE FOLLOWING
FUSE BLOCK - Junction Box (J/B)Next
page
To
EL-WARN-06
FUSE BLOCK
(J/B)
WARNING LAMPS
EL-167