LEMON Manuals: Even more car manuals for everyone
Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> AEM, CEM & Rem Diagnostic Trouble Codes - 1 Of 12 >> CEM-1A09: 50-Power Supply. Signal Too High. Intermittent Fault (2000-2004) >> Signal too high. Intermittent fault >> Checking the connectors

Checking the connectors

Check connector 54/3R and the connector for the central electronic module (CEM) for contact resistance and oxidation and remedy according to Contact resistance and oxidation and loose connections according to Loose connections (terminals) .

Check for damage carefully.

HINT: If the fault cause is found, reinstall the components, connectors etc. 

HINT: If the fault cause is not found, do not reinstall the central electronic module (CEM) before continuing with fault-tracing. 

Other information: 

Fig 1: Identifying Ohm Meter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.

Was a fault detected?