Nissan Terrano model r20 series 2004. Instruction — part 394
DOOR LOCK/UNLOCK SWITCH CHECK
CHECK DOOR LOCK/UNLOCK SWITCH
INPUT SIGNAL.
Check voltage between time control unit
connector terminal
U37
and ground.
NG
E
OK
Door lock/unlock switch is
OK.
CHECK DOOR LOCK/UNLOCK SWITCH.
1. Disconnect door lock/unlock switch
connector.
2. Check continuity between door lock/
unlock switch terminals.
OK
E
NG
Replace door lock/unlock
switch.
Check the following:
I
Door lock/unlock switch ground circuit.
I
Harness for open or short-circuit
between control unit and door lock/
unlock switch
Terminals
Condition
Voltage
(V)
!
@
U37
Ground
Locked
Approx.
12
(Approx.
20 sec.)
Unlocked
0
Terminals
Condition
Continuity
q
7
-
q
3
Locked
No
Unlocked
Yes
YEL876E
YEL877E
H
H
INTERIOR LAMP
Trouble Diagnoses (Cont’d)
EL-80
OTHER DOOR SWITCH CHECK
CHECK DOOR SWITCH INPUT SIGNAL.
Check voltage between fuse block (J/B)
and ground.
NG
E
OK
Door switch is OK.
CHECK DOOR SWITCH.
1. Disconnect door switch connector.
2. Check continuity between door switch
terminals.
OK
E
NG
Replace door switch.
Check the following.
I
Door switch ground condition
I
Harness for open or short between con-
trol unit and door switch
Termi-
nals
Condition
Voltage (V)
Other
door
B01
Opened
0
Closed
Approx. 12
Terminals
Condition
Continuity
Other
door
switches
q
1
-
ground
Closed
No
Open
Yes
YEL878E
YEL879E
H
H
INTERIOR LAMP
Trouble Diagnoses (Cont’d)
EL-81
System Description
UNIFIED CONTROL METER
I
Speedometer, odo/trip meter, tachometer, fuel gauge and water temperature gauge are controlled totally
by control unit built-in combination meter.
I
Digital meter is adopted for odo/trip meter.*
*The record of the odo meter is kept even if the battery cable is disconnected. The record of the trip meter
is erased when the battery cable is disconnected.
I
Odo/trip meter segment can be checked in diagnosis mode.
I
Meter/gauge can be checked in diagnosis mode.
HOW TO CHANGE THE DISPLAY FOR ODO/TRIP METER
NOTE:
Turn ignition switch to the “ON” position to operate odo/trip meter.
SEL394X
METER AND GAUGES
EL-82
POWER SUPPLY AND GROUND CIRCUIT
Power is supplied at all times
I
through 10A fuse [No. 16, located in the fuse block (J/B)]
I
to combination meter terminal 27.
With the ignition switch in the ON or START position, power is supplied
I
through 10A fuse [No. 12, located in the fuse block (J/B)]
I
to combination meter terminal 28.
Ground is supplied
I
through body grounds F36, F47 (LHD models) or M33, M754 (RHD models)
I
to combination meter terminal 29.
WATER TEMPERATURE GAUGE
The water temperature gauge indicates the engine coolant temperature.
Thermal transmitter provides a engine coolant temperature signal to combination meter for water temperature
gauge.
TACHOMETER
The tachometer indicates engine speed in revolution per minutes (rpm). ECM provides an engine speed sig-
nal to combination meter for tachometer.
FUEL GAUGE
The fuel gauge indicates the approximate fuel level in the fuel tank.
The fuel gauge is regulated by a variable ground signal supplied
I
from body grounds B10 and B18
I
through terminal 3 of the fuel level sensor unit and
I
through terminal 2 (TD27Ti engine) or 1 (ZD30DDTi engine) of the fuel level sensor unit
I
to combination meter terminal 13 for the fuel gauge.
SPEEDOMETER
The combination meter receives a signal from vehicle speed sensor. The speedometer converts the signal into
the vehicle speed displayed.
AMBIENT TEMPERATURE GAUGE
Ambient temperature sensor provides the signal for ambient temperature to combination meter.
METER AND GAUGES
System Description (Cont’d)
EL-83
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