Nissan Terrano model r20 series 2004. Instruction — part 216
Terminal
No.
Item
Condition
Judgement
standard
29
Revolution sensor
(Measure in AC rang)
When vehicle cruises at 30 km/h (19
MPH).
1V or more
Voltage rises gradually in
response to vehicle
speed.
When vehicle parks.
0V
30**
Data link connector
—
—
31**
Data link connector
—
—
32
Throttle (accelerator)
position sensor
(Power source)
Ignition switch ON
4.5 - 5.5V
Ignition switch OFF
0.5 or less
34
Park/neutral “D” position
switch
When setting selector lever to “D”
position.
Battery voltage
When setting selector lever to other
positions.
Approximately 0V
35
Park/neutral “R” position
switch
When setting selector lever to “R”
position.
Battery voltage
When setting selector lever to other
positions.
Approximately 0V
36
Park/neutral “N” or “P”
position switch
When setting selector lever to “N” or
“P” position.
Battery voltage
When setting selector lever to other
positions.
Approximately 0V
39
Engine speed signal
When engine runs at idle speed.
0.8V
When engine runs at 2,000 rpm.
Approximately 2.2V
40
Vehicle speed sensor
When moving vehicle at 2 to 3 km/h
(1 to 2 MPH) for 1 m (3 ft) or more.
Voltage varies between
less than 1V and more
than 4.5V
41
Throttle (accelerator)
position sensor
When depressing accelerator pedal
slowly after warming up engine.
(Voltage rises gradually in response
to throttle position.)
4.5 - 5.5V
42
Throttle (accelerator)
position sensor
(Ground)
—
—
43
SPORT indicator lamp
When setting A/T mode switch in
“SPORT” position.
Approximately 0V
When setting A/T mode switch in
other position.
Battery voltage
44
A/T mode switch
“SPORT”
When setting A/T mode switch in
“SPORT” position.
Battery voltage
When setting A/T mode switch in
other position.
Approximately 0V
47
A/T fluid temperature
sensor
When ATF temperature is 20°C
(68°F).
Approximately 1.5V
When ATF temperature is 80°C
(176°F).
Approximately 0.5V
48
Ground
—
—
**: These terminals are connected to the data link connector.
TROUBLE DIAGNOSIS — General Description
TCM Terminals and Reference Value (Cont’d)
AT-48
Wiring Diagram — AT — MAIN
YAT405
TROUBLE DIAGNOSIS FOR POWER SUPPLY
AT-49
TCM Power Supply Circuit
DIAGNOSTIC PROCEDURE
CHECK TCM POWER SOURCE.
1. Turn ignition switch to “ON” position.
(Do not start engine.)
2. Check voltage between TCM terminals
q
10
,
q
19
and ground.
Battery voltage should exist.
OK
E
NG
Check the following items:
I
Harness for short or
open between ignition
switch and TCM (Main
harness)
I
Ignition switch and fuse
Refer to EL section
(“POWER SUPPLY
ROUTING”).
CHECK TCM GROUND CIRCUIT.
1. Turn ignition switch to “OFF” position.
2. Disconnect TCM harness connector.
3. Check resistance between TCM termi-
nals
q
25
,
q
48
and ground.
Resistance:
Approximately 0
Ω
If OK, check harness for short to
ground and short to power.
OK
E
NG
Repair open circuit or short
to ground or short to
power in harness or con-
nector.
INSPECTION END
YAT427
YAT428
H
H
TROUBLE DIAGNOSIS FOR POWER SUPPLY
AT-50
Wiring Diagram — AT — VSSA/T
YAT400
TROUBLE DIAGNOSIS FOR VHCL SPEED SEN
⋅
A/T
AT-51
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