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HOMESERVICE MANUALSACURA2011TSX SPORT WAGON L4-2.4LREPAIR AND DIAGNOSISCRUISE CONTROLTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSCRUISE CONTROL (ECM/PCM) INPUT TEST (M/T)
2011 Acura TSX Sport Wagon L4-2.4L

Cruise Control (ECM/PCM) Input Test (M/T)

2011 Acura TSX Sport Wagon L4-2.4LSECTION Cruise Control (ECM/PCM) Input Test (M/T)



Cruise Control (ECM/PCM) Input Test

NOTE: Always make sure that you have the latest HDS software.

1. Connect the HDS to the DLC.

2. Turn the ignition switch to ON (II).

3. Make sure the HDS communicates with the vehicle and the ECM/PCM. If it does not communicate, troubleshoot the DLC circuit Testing and Inspection.

4. Go to PGM-FI, and check for DTCs Initial Inspection and Diagnostic Overview.

5. Do the following tests while monitoring parameters in the PGM-FI DATA LIST with the HDS.

6. If the input tests prove OK, replace the ECM/PCM Service and Repair.

NOTE: Intermittent failures are often caused by loose circuit connections. While monitoring cruise control inputs, flex the circuit wires, and note if any of the test results change.









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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
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  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.