Stall Speed Test - Honda 2004 Odyssey Service Manual

Automatic Transmission

Stall Speed Test

1. Engage the parking brake, and block all four wheels.
2. Connect a tachometer to the engine, and start the
engine.
3. Make sure the A/C switch is OFF.
4. After the engine has warmed up to normal
operating temperature (the radiator fan comes on),
shift to the 2 position.
5. Fully press the brake pedal and accelerator pedal
for 6 to 8 seconds, and note the engine speed. Do
not move the shift lever while raising the engine
speed.
6. Allow 2 minutes for cooling, then repeat the test in
the D, 1, and R positions.
NOTE:
• Do not test stall speed for more than 10 seconds
at a time.
• Stall speed tests should be used for diagnostic
purposes only.
• Stall speed should be the same in D, 2, 1, and R
positions.
• Do not test stall speed with the A/T pressure
gauges installed.
Stall Speed rpm:
Specification:
Service Limit:
14-354
2,250 rpm
2,100 2,400 rpm
7. If the measurements are out of the service limit,
problems and probable causes are listed in the
table:
Problem
Stall speed rpm
high in the D, 2, 1,
and R positions
Stall speed rpm
high in the 1
position
Stall speed rpm
high in the 2
position
Stall speed rpm
high in the R
position
Stall speed low in
the D, 2, 1, and R
positions
Probable causes
• Low fluid level
• ATF pump output low
• Clogged ATF strainer
• Regulator valve stuck
• Slipping clutch
• Slippage of 1st clutch
• 1st gear one-way
clutch defective
Slippage of 2nd clutch
Slippage of 5th clutch
• Engine output low
• Torque converter one-
way clutch slipping