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AT-108
[RE4F04B]
TROUBLE DIAGNOSIS FOR POWER SUPPLY
Revision: November 2006
2006 Altima
TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)
Diagnostic Procedure
ECS0096H
1.
CHECK TCM POWER SOURCE STEP 1
1.
Turn ignition switch to ON position.
(Do not start engine.)
2.
Check voltage between TCM terminals 10, 19, 28 and ground.
OK or NG
OK
>> GO TO 2.
NG
>> GO TO 3.
2.
CHECK TCM POWER SOURCE STEP 2
1.
Turn ignition switch to OFF position.
2.
Check voltage between TCM terminal 28 and ground.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 3.
3.
DETECT MALFUNCTIONING ITEM
Check the following items:
●
Harness for short or open between ignition switch and TCM terminals 10, 19 and 28
●
Fuse
●
Ignition switch
Refer to
PG-4, "POWER SUPPLY ROUTING CIRCUIT"
.
OK or NG
OK
>> GO TO 4.
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
25
B
GROUND
—
—
28
Y/R
POWER SOURCE
(MEMORY BACKUP)
IGNITION ON
BATTERY VOLTAGE
IGNITION OFF
BATTERY VOLTAGE
48
B
GROUND
—
—
Voltage
: Battery voltage
LCIA0094E
Voltage
: Battery voltage
WCIA0095E