Lotus 2004 Eleven Service Notes page 182

Lotus Service Notes
Air Conditioning System
P0646 A/C Clutch Relay Control Circuit Low
P0647 A/C Clutch Relay Control Circuit High
Component connections
Connector Description
5 (ACCM 2*) AC Clutch Relay
*ACCM – A/C Control Module
Monitor: Continuous
Enable Criteria: Engine running
Disable Criteria: None
Potential failure modes:
• A/C compressor clutch open circuit or short to ground
• A/C Control Module failure
• A/C compressor clutch failure
• ECU output circuit failure
Notes:
No MIL will be illuminated for this failure.
P0646
P0647
ECU Pin ECU Connector
53 (J1) 28 Way (Left)
Section EMP
'06 M.Y. in brackets
Page 39