DME 7.8 DME 7.8 0 · 0-89.1P0674

DME 7.8 DME 7.8 0 0-89.1P0674 A/C Compressor Control – Above Limit Diagnosis conditions • Engine running • Battery positive voltage greater than 7 V • Air conditioning on Possible fault cause ♦Short circuit to B+ in wiring Affected terminals Terminal IV/27 Diagnosis/Troubleshooting Work instruction Display OK If not OK 1 Check control wire for A/ ♦Remove A/C relay 0 V Repair wiring har- C relay, Pin 2 (terminal → End. ness ♦Remove DME control module 85), for short circuit to → End. connector B+ ♦Measure voltage between A/C relay Pin 2 and ground ♦Ignition on 8728 P0674 0-89.1 page 1 Printed in Germany – 6, 2002 p0674