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Home >> Honda >> 2021 >> Accord Touring >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Continuously Variable Transmission (CVT) - Testing & Troubleshooting (Except Hybrid)) >> Test >> Stall Speed Test (CVT) >> Test

Stall Speed Test (CVT): Test

WARNING: This page is about a different variant/trim than selected.
  1. Transmission Fluid Level - Check 
  2. HDS - Connect
  3. Engine - Warm Up
    1. Start the engine, and warm it up to normal operating temperature (the radiator fan comes on twice).
  4. Stall Speed - Test

    NOTE: 

    • Do not test stall speed for more than 10 seconds at a time.
    • Record the engine speed at 6 to 8 seconds after pressing the accelerator pedal. Higher engine speed will be indicated for 5 seconds.
    • Stall speed tests should be used for diagnostic purposes only.
    • The stall speed should be the same in all positions/modes.
    • Do not test stall speed with a pressure gauge installed.

    1. Apply the parking brake, and block all four wheels.

    2. Make sure the A/C switch is OFF.

    3. Shift the transmission to D position/mode while pressing the brake pedal firmly, then press the accelerator pedal for 6 to 8 seconds, and note the engine speed.

    NOTE:  Do not move the shift lever or remove your foot off the brake pedal, while raising the engine speed.

    4. Allow 2 minutes for cooling, then repeat the test in the all positions/modes.

    Stall Speed rpm 
      Specification: 2, 500 rpm 
      Service Limit: 2, 350-2, 650 rpm 

    5. If any of the stall speeds are out of the service limit, refer to the problems and probable causes listed in the table.

    Problems Probable Causes
    Stall speed rpm high
    • Low transmission fluid level
    • Transmission fluid deteriorated
    • Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
    • Torque converter assembly defective
    • Forward clutch assembly defective
    • Input shaft worn or damaged
    • Reverse brake defective
    • Reverse brake piston defective
    • Valve body assembly defective
    • Lubrication pipe defective
    • Stator shaft defective
    • TCM defective
    Stall speed rpm low
    • Torque converter assembly defective
    • Valve body assembly defective
    • Lubrication pipe defective
    • Stator shaft defective
    • Engine output low
    • TCM defective