SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSACURA2008CSX BASE, K20A3REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 17 (CLIMATE CONTROL SYSTEM)CLIMATE CONTROLSUNLIGHT SENSOR TEST
2008 Acura CSX Base, K20A3

Sunlight Sensor Test

2008 Acura CSX Base, K20A3SECTION Sunlight Sensor Test
WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Before testing the sensor, check for HVAC DTCs (see GENERAL TROUBLESHOOTING INFORMATION )
  1. Remove the sunlight sensor (A) (see Sunlight Sensor Replacement  )
    Fig 1: Identifying Sunlight Sensor
    G05988682Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Turn the ignition switch to ON (II) Measure the voltage between terminals with the (+) probe on terminal No 2 and the (-) probe on terminal No 1 with the connector connected
    NOTE: The voltage readings do not change under the light of a flashlight or a fluorescent lamp Voltage should be
    • 3.6-3.7 V or more with the sensor out of direct sunlight
    • 3.3-3.5 V or less with the sensor in direct sunlight
  3. If the voltage is not as specified, replace the sunlight sensor (see Sunlight Sensor Replacement )
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • 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.