DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)
AT-197
[RE4F04B]
D
E
F
G
H
I
J
K
L
M
A
B
AT
Revision: November 2006
2006 Altima
TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL
Diagnostic Procedure
ECS0099B
1.
CHECK INPUT SIGNAL OF A/T FLUID TEMPERATURE SENSOR (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 “FLUID TEMP SE”.
OK or NG
OK
>> GO TO 9.
NG
>> GO TO 2.
2.
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 9.
NG
>> Repair or replace damaged parts.
TERMINAL
WIRE COLOR
ITEM
CONDITION
DATA (APPROX.)
10
R/Y
POWER SOURCE
IGNITION ON
BATTERY VOLTAGE
IGNITION OFF
0V
19
R/Y
POWER SOURCE
IGNITION ON
BATTERY VOLTAGE
IGNITION OFF
0V
28
Y/R
POWER SOURCE
(MEMORY BACKUP)
IGNITION ON
BATTERY VOLTAGE
IGNITION OFF
BATTERY VOLTAGE
42
B
SENSOR GROUND
—
—
47
G
A/T FLUID TEMPERATURE
SENSOR
IGNITION ON WITH ATF TEM-
PERATURE AT 20
°
C (68
°
F)
1.5V
IGNITION ON WITH ATF TEM-
PERATURE AT 80
°
C (176
°
F)
0.5V
Voltage
:Cold [20
°
C (68
°
F)]
→
Hot [80
°
C (176
°
F)]
:Approximately 1.5V
→
0.5V
LCIA0090E