CL TYPE S V6-3.2L SOHC (2001)
12. Turn the ignition switch OFF.
13. Disconnect PCM connector A (32P)
14. Check for continuity between body ground and PCM connector terminal A27.
Is there continuity?
YES - Repair short in the wire between the PCM (A27) and the A/C pressure switch.
NO - Substitute a known-good PCM and recheck. If the prescribed voltage is now available (about 5 V), replace the original PCM. If not, check
the A/C system for other symptoms.
15. Momentarily connect under-hood fuse/relay box 16 P connector terminal No.11 to body ground with a jumper wire several times.
Is there a clicking noise from the A/C compressor clutch?
YES - Repair open in the wire between the PCM (A17) and the A/C clutch relay.
NO - Check the A/C system for other symptoms.
16. Measure voltage between PCM connector terminal A27 and B20.
Is there less than 1.0 V?
YES - Substitute a known-good PCM and recheck. If the symptom/indication goes away, replace the original PCM. If not, inspect the air
conditioning system.