Nissan Frontier D22. Instruction — part 93
DTC VEHICLE SPEED SENSOR·MTR
AT-341
[RE4R01A]
D
E
F
G
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A
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AT
DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
CAUTION:
●
Always drive vehicle at a safe speed.
●
If conducting this “DTC CONFIRMATION PROCEDURE”
again, always turn ignition switch OFF and wait at least 5
seconds before continuing.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
With CONSULT-II
1.
Turn ignition switch ON and select “DATA MONITOR” mode for “A/T” with CONSULT-II.
2.
Start engine and accelerate vehicle from 0 to 25 km/h (0 to 6
MPH).
Without CONSULT-II
●
Follow the procedure “With CONSULT-II”.
SAT014K
SAT971J
LAT436
AT-342
[RE4R01A]
DTC VEHICLE SPEED SENSOR·MTR
Wiring Diagram — AT — VSSMTR
ECS007NW
WCWA0156E
DTC VEHICLE SPEED SENSOR·MTR
AT-343
[RE4R01A]
D
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AT
Diagnostic Procedure
ECS007NX
1.
CHECK INPUT SIGNAL.
With CONSULT-II
1.
Start engine.
2.
Select “TCM INPUT SIGNALS” in “DATA MONITOR” mode for “A/T” with CONSULT-II.
3.
Read out the value of “VHCL/S SE·MTR” while driving.
Check the value changes according to driving speed.
Without CONSULT-II
1.
Start engine.
2.
Check voltage between TCM harness connector M78 terminal
40 and ground while driving at 2 to 3 km/h (1 to 2 MPH) for 1 m
(3 ft) or more.
Does battery voltage vary between less than 1V and more than
4.5V?
Yes
>> GO TO 2.
No
>> Check the following items:
●
Vehicle speed sensor and ground circuit for vehicle
speed sensor. Refer to
●
Harness for short or open between TCM and vehicle
speed sensor (Main harness)
2.
CHECK DTC
Perform
AT-341, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE"
OK or NG
OK
>> INSPECTION END.
NG
>> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
SAT614J
AAT504A
AT-344
[RE4R01A]
DTC TURBINE REVOLUTION SENSOR (VG33ER ONLY)
DTC TURBINE REVOLUTION SENSOR (VG33ER ONLY)
PFP:31935
Description
ECS007NY
The turbine revolution sensor detects input shaft rpm (revolutions
per minute). It is located on the input side of the automatic transmis-
sion. The vehicle speed sensor A/T (Revolution sensor) is located on
the output side of the automatic transmission. With the two sensors,
input and output shaft rpms are accurately detected. The result is
optimal shift timing during deceleration and improved shifting.
TCM TERMINALS AND REFERENCE VALUE
Remarks: Specification data are reference values.
ON BOARD DIAGNOSIS LOGIC
SAT136K
Termi-
nal No.
Wire color
Item
Condition
Judgement
standard
(Approx.)
38
Y
Turbine revolu-
tion sensor
(Measure in AC
range)
When engine is running at 1,000 rpm
1.2V
Voltage rises
gradually in
response to
engine speed.
42
BR
Throttle position
sensor (Ground)
—
0V
Diagnostic trouble code
Malfunction is detected when ...
Check item (Possible cause)
: TURBINE REV
TCM does not receive the proper voltage
signal from the sensor.
●
Harness or connectors
(The sensor circuit is open or shorted.)
●
Turbine revolution sensor
: 10th judgement flicker
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