Honda HR-V Owners & Service Manuals

Honda HR-V: Heater Fan Switch Test

Test

1. Heater Control Panel - Remove

2. Heater Fan Switch - Test

HVAC System - Testing & Troubleshooting

HVAC System - Testing & Troubleshooting

  1. Check for continuity between the terminals in each switch position according to the table.
  2. If the continuity could not found between the indicated terminals, replace the heater fan switch.

3. All Removed Parts - Install

  1. Install the parts in the reverse order of removal.

HUMIDITY/IN-CAR TEMPERATURE SENSOR TEST

Test

NOTE:

  • Before testing the sensor, check for climate control DTCs.
  • The climate control unit receives humidity (%) data via digital signal.
  • The climate control unit receives in-car temperature (ºC) data via digital transmission.

1. Humidity/In-Car Temperature Sensor - Test

  1. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
  2. Touch and hold the AUTO icon (A), then within 10 seconds touch and release the RECIRCULATION icon (B) five times.

Single A/C type

HVAC System - Testing & Troubleshooting

Dual A/C type

HVAC System - Testing & Troubleshooting

  1. After the display mode of the sensor, release the AUTO icon. The temperature indicator (single A/C type) (C) or driver's temperature indicator (dual A/C type) (D) will flash the sensor number 1 and then the value for that sensor
  2. Touch the REAR WINDOW DEFOGGER/MIRROR DEFOGGER icon (E) until the desired sensor number is displayed.

NOTE: The sensor number and the data are displayed alternatively every one second on the set temperature indicator (single A/C type) or driver's temperature indicator (dual A/C type).

HVAC System - Testing & Troubleshooting

SUNLIGHT SENSOR TEST

Test

NOTE: Before testing the sensor, check for climate control DTCs.

1. Sunlight Sensor - Test

With automatic lighting system

HVAC System - Testing & Troubleshooting

Without automatic lighting system

HVAC System - Testing & Troubleshooting

  1. Pull out the sunlight sensor (A)
  2. Turn the vehicle to the ON mode
  3. Measure the voltage between (+) probe on terminal No. 2 and (-) probe on terminal No. 3 (with automatic lighting system) or No. 1 (without automatic lighting system) with the connector connected.

    NOTE: The voltage readings will not change under the light of a flashlight or a fluorescent lamp. Voltage should be:

    • 3.56 V with no sunlight or the sensor covered up.
    • Less than 3.56 V with sunlight on the sensor (depending on sunlight intensity).
  4. If the voltage is not as specified, replace the sunlight sensor.

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