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AT-254
[RE4F04B]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: November 2006
2006 Altima
20. Vehicle Does Not Decelerate By Engine Brake
ECS009AD
SYMPTOM:
Vehicle does not decelerate by engine brake when shifting from 2
2
(1
2
) to 1
1
.
1.
CHECK SYMPTOM
Is “6. Vehicle Does Not Creep Backward In R Position” OK?
Yes or No
Yes
AT-248, "15. Engine Speed Does Not Return To Idle (Light Braking D
No
>> Go to
AT-225, "6. Vehicle Does Not Creep Backward In R Position"
.
21. TCM Self-diagnosis Does Not Activate (PNP & 3 Position Switches Circuit
Checks), and Throttle Position Sensor [Accelerator Pedal Position (APP) Sen-
sor] Circuit Check
ECS009AE
SYMPTOM:
A/T check (position) indicator lamp does not come on in TCM
self-diagnostic procedure even if the lamp circuit is good.
DESCRIPTION
●
Park/neutral position (PNP) switch
The park/neutral (PNP) switch assembly includes a transaxle range switch. The transaxle range switch
detects the selector lever position and sends a signal to the TCM.
●
3 position switch
WCIA0066E
LCIA0079E
LCIA0067E