AT-444
[RE5F22A]
TROUBLE DIAGNOSIS
Revision: November 2006
2006 Altima
6.
Start the engine, then measure the line pressure at both idle and
the stall speed.
CAUTION:
●
Keep the brake pedal pressed all the way down during
measurement.
●
When measuring the line pressure at the stall speed,
refer to
.
7.
After the measurements are complete, install the oil pressure
detection plug and tighten to the specified torque.
CAUTION:
Do not reuse O-ring.
Line pressure
Judgement of line pressure test
ROAD TEST
Description
●
The road test inspects overall performance of the A/T and analyzes possible malfunction causes.
●
The road test is perform in the following three stages.
1.
Check before engine is started. Refer to
2.
.
3.
Cruise test
●
Inspect all the items from Part 1 to Part 3. Refer to
,
.
:5.9 - 8.8 N·m (0.61 - 0.89 kg-m, 53 - 77 in-lb)
SAT493G
Engine speed
Line pressure
kPa (kg/cm
2
, psi)
D, M positions
R position
At idle speed
333 - 392 (3.4 - 4.0, 48 - 57)
500 - 608 (5.1 - 6.2, 73 - 88)
At stall speed
1,285 - 1,393 (13.1 - 14.2, 186 - 202)
1,706 - 1,981 (17.4 - 20.2, 247 - 287)
Judgement Possible
cause
Higher than standards both “D”, “M” and “R” positions
●
Pressure control solenoid valve A malfunction
●
Primary regulator valve malfunction
Lower than standards both “D”, “M” and “R” positions
●
Pressure control solenoid valve A malfunction
●
Primary regulator valve malfunction
●
Oil pump malfunction
●
B5 bake malfunction
●
Oil leak for each range circuit malfunction
Lower than standards only “D” position
●
Oil leak for “D” range circuit malfunction
●
Forward clutch malfunction
Lower than standards only “R” position
●
Oil leak for “R” range circuit malfunction
●
Direct clutch malfunction
●
1st and reverse brake malfunction
SAT786A
