Hvac (Heating, Ventilation, And Air Conditioning) - Honda S2000 Service Manual

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HVAC (Heating, Ventilation,
and Air Conditioningl
Heating and Air Conditioning
Speciaf Tools ............. 21-2
C o m p o n e n t L o c a t i o n I n d e x . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1 - 3
A,/C Service Tips and Precautions ...............................
21-6
A"/C Refrigerant Oil Replacement ................................ 2'l-6
General Troubleshooting Information .......................
21-8
DTC Troubleshooting Index .............. 21-9
Symptom Troubleshooting Index ............................... 21-10
System Description ................. ........... 21-11
Circuit Diagram ......... 21-14
DTC Troubleshooting ...............
.......... 21-16
Recirculation
Control Motor Circuit
T r o u b l e s h o o t i n S
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1 - 2 4
Heater Control Power and Ground Circuits
T r o u b l e s h o o t i n S . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . 2 1 - 2 5
Condenser Fan CircuitTroubleshooting
.................... 21-27
Radiator and Condenser Fans Common Circuit
TroubfeshootinS ..................... ........ 21-28
Compressor Clutch CircuitTroubleshooting ............. 21-29
Ay'C Pressure Switch Circuit Troubleshooting ........... 21-31
Air Mix Control Motor Test and Replacement ........... 21-33
Mode Control Motor Test and Reolacement ..............
21-34
Recirculation Control Motor Test and
R e p l a c e m e n t
. . . . . . . . . 2 1 - 3 5
EvaporatorTemperature
SensorTest ........................ 21-36
Power Transistor Test ..............
.......... 21-36
Heater Control Panel Removal and Installation ......... 2'l-37
Blower/Evaporator
Unit Removal and Installation .... 21-38
Blower/Evaporator Unit Components
R e p l a c e m e n t . . . . . . . . . 2 1 - 3 9
* Heater UniVCore Reolacement
......... 21-40
Dust and Pollen Filter Replacement .. 21-42
Heater Valve Cable Adjustment ..................................
21-43
Compressor Replacement ........,...,.,,, 21-44
Compressor Clutch Check ................. 21-46
Compressor Clutch Overhaul ......................................
21-47
CompressorThermal ProtectorReplacement
........... 21-49
Compressor Relief Valve Replacement ......................
21-49
C o n d e n s e r R e o l a c e m e n t
. . . . . . . . . . . . . . . . . . . 2 1 - 5 0
Refrigerant Recovery
......................... 21-51
System Evacuation .................. ........... 21-52
System CharginS ......................
.......... 21-53
Refrigerant Leak Tests ....................... 21-54
fuc system Tests ..............
................. 21-55