TSX L4-2.4L (2005)
11. Measure the voltage between the No. 1 terminal of the A/C pressure switch 2P connector and body ground.
Is there about 5 V or more?
YES - Go to step 12.
NO - Repair open in the wire between the A/C pressure switch and the thermal protector.
12. Turn the ignition switch OFF.
13. Check for continuity between the No. 1 and No. 2 terminals of the A/C pressure switch.
Is there continuity?
YES - Go to step 14.
NO - Go to step 21.
14. Reconnect the A/C pressure switch 2P connector.
15. Disconnect audio-HVAC display panel connector A (22P).
16. Turn the ignition switch ON (II).
17. Measure the voltage between the No. 5 terminal of audio-HVAC display panel connector A (22P) and body ground.
Is there about 5 V or more?
YES - Go to step 18.
NO - Repair open in the wire between the audio-HVAC display panel and the A/C pressure switch.