TROUBLE DIAGNOSIS - GENERAL DESCRIPTION
AT-95
[RE4F04B]
D
E
F
G
H
I
J
K
L
M
A
B
AT
Revision: November 2006
2006 Altima
Improper Shift
Timing
Kickdown oper-
ates or engine
overruns when
depressing pedal
in D
4
beyond
kickdown vehicle
speed limit.
ON vehicle
1. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTR
2. Throttle position sensor [accelerator pedal
position (APP) sensor] adjustment
3. Shift solenoid valve A
4. Shift solenoid valve B
Gear change
from 2
2
to 2
3
in 2
position.
ON vehicle
1. Park/neutral position (PNP) switch adjust-
ment
Gear change
from 1
1
to 1
2
in 1
position.
ON vehicle
1. Park/neutral position (PNP) switch adjust-
ment
2. Control cable adjustment
No Down Shift
Failure to change
gear from D
4
to
D
3
.
ON vehicle
1. Fluid level
2. Throttle position sensor [accelerator pedal
position (APP) sensor] adjustment
3. Overrun clutch solenoid valve
4. Shift solenoid valve A
5. Line pressure solenoid valve
6. Control valve assembly
OFF vehicle
7. Low & reverse brake
8. Overrun clutch
Failure to change
gear from D
3
to
D
2
or from D
4
to
D
2
.
ON vehicle
1. Fluid level
2. Throttle position sensor [accelerator pedal
position (APP) sensor] adjustment
3. Shift solenoid valve A
4. Shift solenoid valve B
5. Control valve assembly
OFF vehicle
6. High clutch
7. Brake band
Failure to change
gear from D
2
to
D
1
or from D
3
to
D
1
.
ON vehicle
1. Fluid level
2. Throttle position sensor [accelerator pedal
position (APP) sensor] adjustment
3. Shift solenoid valve A
4. Shift solenoid valve B
5. Control valve assembly
OFF vehicle
6. Low one-way clutch
7. High clutch
8. Brake band
Items
Symptom
Condition
Diagnostic Item
Reference Page