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Home >> Acura >> 2017 >> MDX Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control And Engine Mechanical - Service, Testing And Troubleshooting (Except Hybrid) >> Check >> Throttle Body Carbon Accumulation Check >> Test

Throttle Body Carbon Accumulation Check: Test

  1. HDS - Connect
    GHH319973Courtesy of HONDA, U.S.A., INC.
    		 1. Turn the vehicle to the ON mode, but do not start the engine.

    2. Connect the HDS to the DLC (A) located under the driver's side of the dashboard.

    3. Make sure the HDS communicates with the PCM and other vehicle systems. If it doesn't, go to the DLC circuit troubleshooting - Refer to: DLC Circuit Troubleshooting (2019 2020), or DLC Circuit Troubleshooting (2017 2018), or DLC Circuit Troubleshooting (2017 2018), or DLC Circuit Troubleshooting (2014 2015), or DLC Circuit Troubleshooting(Without CAN Gateway) (2016), or DLC Circuit Troubleshooting(With CAN Gateway) (2016)

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  2. Throttle Body - Test
    1. Start the engine. Hold the engine speed at 3, 000 rpm without load (in P or N) until the radiator fan comes on, then let it idle.

    2. Check the REL TP SENSOR in the DATA LIST with the HDS. The reading should be below 2.46 deg. If it is not, clean the throttle body 

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