AT-248
[RE4F04B]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: November 2006
2006 Altima
15. Engine Speed Does Not Return To Idle (Light Braking D
4
→
D
3
)
ECS009A8
SYMPTOM:
●
Engine speed does not smoothly return to idle when A/T shifts from D
4
to D
3
.
●
Vehicle does not decelerate by engine brake when A/T selector lever is in 3 position.
●
Vehicle does not decelerate by engine brake when shifting A/T from D to 2 position.
1.
CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to overrun clutch solenoid valve
circuit after cruise test?
Yes or No
Yes
>> Check overrun clutch solenoid valve circuit. Refer to
185, "DTC P1760 OVERRUN CLUTCH SOLENOID
VALVE"
No
>> GO TO 2.
2.
CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]
Check throttle position sensor [accelerator pedal position (APP) sen-
sor]. Refer to
EC-206, "DTC P0122, P0123 TP SENSOR"
and
521, "DTC P2122, P2123 APP SENSOR"
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace throttle position sensor [accelerator
pedal position (APP) sensor].
3.
CHECK A/T FLUID CONDITION
1.
Remove oil pan.
2.
Check A/T fluid condition.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 4.
WCIA0065E
LCIA0067E
SAT171B
