CL TYPE S V6-3.2L SOHC (2001)
12. Turn the ignition switch OFF.
13. Disconnect ECM connector E (31P).
14. Check for continuity between body ground and ECM connector terminal E21.
Is there continuity?
YES - Repair short in the wire between the ECM (E21) and the A/C pressure switch.
NO - Substitute a known-good ECM and recheck. If the prescribed voltage is now available (about 5 V), replace the original ECM. 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 ECM (E21) and the A/C clutch relay.
NO - Check the A/C system for other symptoms.
16. Measure voltage between ECM connector terminal A26 and E21.
Is there less than 1.0 V?
YES - Substitute a known-good ECM and recheck. If the symptom/indication goes away, replace the original ECM. If not, inspect the air