RSX L4-2.0L (2005)
Refrigerant Pressure Sensor / Switch: Testing and Inspection
A/C Pressure Switch Circuit Troubleshooting
NOTE:
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Do not use this troubleshooting procedure if the following items are operative: A/C condenser fan, radiator fan, A/C compressor, or if the heater is
inoperative. Refer to the symptom troubleshooting index.
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Before performing symptom troubleshooting, check for powertrain DTCs.
1. Disconnect the A/C pressure switch 2P connector.
2. Turn the ignition switch ON (II).
3. Measure the voltage between the No. 2 terminal of the A/C pressure switch 2P connector and body ground.
Is there battery voltage?
YES - Go to step 4.
NO - Go to step 12.
4. Turn the ignition switch OFF.
5. Check for continuity between the No. 1 and No. 2 terminals of the A/C pressure switch.
Is there continuity?
YES - Go to step 6.
NO - Go to step 14.
6. Reconnect the A/C pressure switch 2P connector.
7. Disconnect the climate control unit 30P connector.
8. Turn the ignition switch ON (II).
