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Operations Test

NOTE: Torque converter operations test verifies torque converter and torque converter clutch control system are operating correctly.
  1. Connect a tachometer to engine. Bring engine and transaxle to normal operating temperature by driving vehicle at highway speeds for 15 minutes in overdrive. After normal operating temperature is reached, maintain a speed of about 50 MPH and tap brake pedal while monitoring tachometer display.
  2. Engine RPM should increase when brake pedal is tapped and decrease about 5 seconds after brake pedal is released. If test results are not as specified or if vehicle stalls in overdrive or manual "2" at idle with vehicle at a stop, move gear selector lever to manual "1" position. If vehicle stalls in manual "1"position, see torque converter related concerns in SYMPTOM DIAGNOSIS  .
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