Honda HR-V: Evaporator Core Removal and Installation
Removal & Installation
NOTE: Be careful not to damage the evaporator core.
1. HVAC Unit - Remove
2. Heater Unit - Remove
3. Air Mix Control Motor - Remove (With Climate Control)
4. Mode Control Motor - Remove (With Climate Control)
5. Evaporator Core - Remove
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- Remove the heater unit case (A)
- Remove the heater unit case D.
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- Remover the evaporator core (A) and the plate (B).
6. Evaporator Temperature Sensor - Remove
7. All Removed Parts - Install
- Install the parts in the reverse order of removal.
NOTE: Make sure that there is no air leakage.
EVAPORATOR EXPANSION VALVE REMOVAL AND INSTALLATION
Removal & Installation
1. A/C Refrigerant - Recover
2. A/C Lines - Disconnect
3. Expansion Valve - Remove
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- Remove the expansion valve (A).
NOTE:
- Screw the A/C pipe fixing both in the expansion valve about 4 to 6
heads. Hold the bolts and pull them out.
- Be careful not to damage the expansion valve.
4. All Removed Parts - Install
- Install the parts in the reverse order of removal, and note these items:
- New O-rings should be used at each fitting. Prior to installation,
apply a thin coat of the same
refrigerant oil used in the A/C compressor. Be sure to use the correct
O-rings for HFC-134a
(R-134a) to avoid leakage.
- Charge the system with the specified amount of R-134a refrigerant.
EVAPORATOR TEMPERATURE SENSOR REMOVAL, INSTALLATION, AND TEST
Removal & Installation
1. Evaporator Core - Remove
2. Evaporator Temperature Sensor - Remove
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- Remove the evaporator temperature sensor (A)
- Remove the clip (B).
3. All Removed Parts - Install
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- Install the evaporator temperature sensor (A) in the evaporator core,
and
note these items: Refer to the following position list.
Dual A/C type
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Except dual A/C type
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Test
1. Evaporator Temperature Sensor - Test
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- Dip the sensor in ice water, and measure the resistance
between terminals No. 1 and No. 2
- Then pour warm water on the sensor, and check for a
change in resistance
- Compare the resistance readings with the specifications
shown in the graph; the resistance should be within the
specifications
- If the resistance is not as specified, replace the evaporator
temperature sensor.
READ NEXT:
Removal & Installation
SRS components are located in this area. Review the SRS component locations -
Refer to: SRS Component
Location Index (KA/KC) and the precautions and procedures before doing
Removal & Installation
SRS components are located in this area. Review the SRS component locations -
Refer to: SRS Component
Location Index (KA/KC) and the precautions and procedures before doing
Removal & Installation
1. Front Bumper - Remove
2. Outside Air Temperature Sensor - Remove
Disconnect the connector (A)
Lift the tab (B) to release the lock, then remove the outside air
tempe
SEE MORE:
METRIC CONVERSIONS
Metric conversions are making life more difficult for the mechanic. In
addition to increasing the number of
tools required, metric-dimensioned nuts and bolts are used alongside English
components in many new
vehicles. The mechanic has to decide which tool to use, slowing down th
DTC TROUBLESHOOTING
DTC U1280 COMMUNICATION BUS LINE ERROR (BUS-OFF) (IMMOBILIZER-KEYLESS
CONTROL UNIT)
DTC (Immobilizer-Keyless Control Unit)
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the
instructions in B-CAN System
Diagnosis Test Mode A - Refer to: Body Electrical Troubl