Ridgeline 2007-2008

Barometric Pressure Sensor

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Operation



Specific to:

Honda Ridgeline 2006-2008

The BARO sensor is built into the PCM and monitors atmospheric pressure. The PCM estimates appropriate intake airflow from the MAP sensor output voltage and BARO sensor output voltage. When BARO sensor output voltage is within the specified range, a malfunction is detected and a DTC is stored.

Removal & Installation



Specific to:

Honda Ridgeline 2006-2008

The BARO sensor is an integral part of the PCM and is not serviced separately.

Testing



Specific to:

Honda Ridgeline 2006-2008

  1. Connect an HDS or equivalent scan tool to the data link connector (DLC) located under the driver's side of the dashboard.
  2.  
  3. Turn the ignition switch ON .
  4.  
  5. Check the BARO SENSOR in the DATA LIST.

    Click image to see an enlarged view

    Fig. BARO sensor output voltage

  6.  
  7. If voltage is not as specified in the chart, inspect the connectors and wiring harness.
  8.  
  9. If no faults are found, replace the PCM.
  10.  

 
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