Stall Speed Test: Test

How to use this manual .

NOTICE: 

• Do not test stall speed for more than 10 seconds at a time.
• Stall speed tests should be used for diagnostic purposes only.

1. Stall Speed - Test

   Preconditions 

   • Engine Warmed Up
     NOTE: Warm up the engine by raising the engine speed around 3, 000 rpm until the cooling fan(s) comes on.
   • Parking Brake Applied
   • All Four Wheels Blocked
   • A/C Switch OFF
   • ATF Level Normal Condition 
   • HDS Connected

   Procedure/Specifications 

   1. Select the following menu buttons on the HDS screen in sequence.

   • AT (System Selection Menu)
   • Data List

   2. Start the engine.

   3. Shift the transmission to D position/mode while pressing the brake pedal firmly, then press the accelerator pedal, and note the engine speed.

   NOTICE: 

   Do not change the shift position/mode or remove your foot off the brake pedal, while raising the engine speed.

   4. Allow 2 minutes for cooling, then repeat the test in R position/mode.

   Specifications 

   HDS Item	Application	Position/Mode	Standard Value
   Engine Speed	2.0 L Engine	D/R	1, 600-2, 000 rpm
   	3.0 L Engine	D	1, 900-2, 300 rpm
   		R	1, 750-2, 150 rpm

   Result 

   • If the measurement is not within specifications, refer to the problem and primary probable cause listed in the table.

   Abnormal Details 

   Problem	Primary Probable Cause
   Stall speed rpm high in D position/mode	Clutch pressure control solenoid valve G defective B1 cut valve defective B1 brake defective
   Stall speed rpm high in R position/mode	Clutch pressure control solenoid valve B defective Clutch pressure control solenoid valve F defective C3 clutch defective B2 brake defective
   Stall speed rpm low in D and R positions/modes	Torque converter lock-up clutch piston defective