AT-96
[RE4F04B]
TROUBLE DIAGNOSIS - GENERAL DESCRIPTION
Revision: November 2006
2006 Altima
No Down Shift
Failure to change
from D
3
to 2
2
when changing
lever into 2 posi-
tion.
ON vehicle
1. Park/neutral position (PNP) switch adjust-
ment
2. Throttle position sensor [accelerator pedal
position (APP) sensor] adjustment
3. Overrun clutch solenoid valve
4. Shift solenoid valve B
5. Shift solenoid valve A
6. Control valve assembly
7. Control cable adjustment
OFF vehicle
8. Brake band
9. Overrun clutch
Does not change
from 1
2
to 1
1
in 1
position.
ON vehicle
1. Park/neutral position (PNP) switch adjust-
ment
2. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTR
,
3. Shift solenoid valve A
4. Control valve assembly
5. Overrun clutch solenoid valve
OFF vehicle
6. Overrun clutch
7. Low & reverse brake
No Up Shift
Failure to change
gear from D
1
to
D
2
.
ON vehicle
1. Park/neutral position (PNP) switch adjust-
ment
2. Control cable adjustment
3. Shift solenoid valve A
4. Control valve assembly
5. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTR
,
OFF vehicle
6. Brake band
Failure to change
gear from D
2
to
D
3
.
ON vehicle
1. Park/neutral position (PNP) switch adjust-
ment
2. Control cable adjustment
3. Shift solenoid valve B
4. Control valve assembly
5. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTR
,
OFF vehicle
6. High clutch
7. Brake band
Items
Symptom
Condition
Diagnostic Item
Reference Page