Honda HR-V: Heater Fan Switch Test
Honda HR-V (2015-2021) Service Manual / HVAC / HVAC System - Testing & Troubleshooting / Testing / Heater Fan Switch Test
Test
1. Heater Control Panel - Remove
2. Heater Fan Switch - Test
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- Check for continuity between the terminals in each switch position according to the table.
- If the continuity could not found between the indicated terminals, replace the heater fan switch.
3. All Removed Parts - Install
- 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
- Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
- Touch and hold the AUTO icon (A), then within 10 seconds touch and release the RECIRCULATION icon (B) five times.
Single A/C type
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Dual A/C type
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- 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
- 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).
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SUNLIGHT SENSOR TEST
Test
NOTE: Before testing the sensor, check for climate control DTCs.
1. Sunlight Sensor - Test
With automatic lighting system
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Without automatic lighting system
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- Pull out the sunlight sensor (A)
- Turn the vehicle to the ON mode
- 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).
- If the voltage is not as specified, replace the sunlight sensor.
READ NEXT:
General Information
A/C SERVICE TIPS AND PRECAUTIONS
Compressed air mixed with the R-134a forms a combustible vapor.
The vapor can burn or explode causing serious injury.
Never use compressed air to pressure test R-
A/C Compressor Clutch Check
Check
1. A/C Compressor Clutch Clearance - Check
Check the armature plate (A) for discoloration, peeling, or other
damage. If there is
damage, replace the clutch set.
Check the pulley (B) beari
SEE MORE:
A/C Signal Circuit Troubleshooting
1. A/C compressor clutch condition check.
Start the engine, and let it idle.
Turn the blower switch on.
Turn the A/C switch on.
Check the parameter(s) below with the HDS.
Do the current condition(s) match the threshold?
YES
Go to step 2.
NO
Do the A/C system test.
2. A/C system check.
Check
Fog Lights
When the low beam headlights are on, turn
the fog light switch on to use the fog lights.
When the fog lights are on, the indicator in the
instrument panel will be on.
The fog lights go off when the headlights turn off, or
when the daytime running lights are on.
Daytime Running Lights
The headlights
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