DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)
AT-199
[RE4F04B]
D
E
F
G
H
I
J
K
L
M
A
B
AT
Revision: November 2006
2006 Altima
7.
DETECT MALFUNCTIONING ITEM
1.
Remove oil pan.
2.
Check the following items:
–
A/T fluid temperature sensor
•
Check resistance between two terminals while changing temper-
ature as shown.
–
Harness of terminal cord assembly for short or open
OK or NG
OK (without CONSULT-II) >> GO TO 8.
NG
>> Repair or replace damaged parts.
8.
CHECK INPUT SIGNAL OF A/T FLUID TEMPERATURE SENSOR (WITHOUT CONSULT-II)
Without CONSULT-II
1.
Start engine.
2.
Check voltage between TCM harness connector terminal 47 and
ground while warming up A/T.
3.
Turn ignition switch to OFF position.
4.
Disconnect TCM harness connector.
5.
Check resistance between terminal 42 and ground. Refer to
196, "Wiring Diagram — AT — BA/FTS"
OK or NG
OK
>> GO TO 10.
NG
>> GO TO 9.
9.
DETECT MALFUNCTIONING ITEM
Check the following items:
●
Harness for short or open between TCM, ECM and terminal cord assembly (Main harness)
●
Ground circuit for ECM
Refer to
EC-148, "POWER SUPPLY AND GROUND CIRCUIT"
OK or NG
OK
>> GO TO 10.
NG
>> Repair or replace damaged parts.
10.
CHECK DTC
Perform
AT-194, "Diagnostic Trouble Code (DTC) Confirmation Procedure"
.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 11.
Temperature
°
C (
°
F)
Resistance (Approx.)
20 (68)
2.5k
Ω
80 (176)
0.3k
Ω
SAT298F
Temperature
Voltage (Approx.)
Cold [20
°
C (68
°
F)]
→
Hot [80
°
C (176
°
F)]
1.5V
→
0.5V
Continuity should exist.
WCIA0044E