DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)
AT-125
[RE4F04B]
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AT
Revision: November 2006
2006 Altima
TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL
Diagnostic Procedure
ECS0096Z
1.
CHECK INPUT SIGNAL (WITH CONSULT-II)
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·A/T” while driving.
Check the value changes according to driving speed.
OK or NG
OK
>> GO TO 3.
NG
>> GO TO 2.
2.
CHECK REVOLUTION SENSOR (WITH CONSULT-II)
With CONSULT-II
1.
Start engine.
●
Harness for short or open between TCM, ECM and revolution
sensor (Main harness)
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace damaged parts.
3.
CHECK DTC
Perform
AT-122, "Diagnostic Trouble Code (DTC) Confirmation Procedure"
.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 4.
TERMINAL
WIRE COLOR
ITEM
CONDITION
DATA (DC)
29
W
REVOLUTION SENSOR
VEHICLE MOVING AT 20 KM/H
(12 MPH).
USE THE CONSULT-II PULSE
FREQUENCY MEASURING
FUNCTION. A CIRCUIT TESTER
CANNOT BE USED TO TEST
THIS ITEM.
CAUTION: CONNECT THE DIAG-
NOSIS DATA LINK CABLE TO
THE VEHICLE DIAGNOSIS CON-
NECTOR.
450 HZ
VEHICLE NOT MOVING.
LESS THAN 1.3V OR
GREATER THAN 4.5V
42
B
SENSOR GROUND
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LCIA0090E
LCIA0091E
