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Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> AEM, CEM & Rem Diagnostic Trouble Codes - 6 Of 12 >> CEM-5F3B: Water Pump. Signal Too Low (B6284T; 1999-2001) >> Signal too low >> Checking components and wiring

Checking components and wiring

Check the cable between control module terminal #12 and water pump terminal 1. Check for an open-circuit. Check for a short-circuit to ground.

Check the cable between control module #11 and water pump terminal 2. Check for an open-circuit.

The water pump must be changed if no fault is found on the cable.

NOTE:

Diagnostic trouble code (DTC) CEM-5F3D combustion fan, signal and / or diagnostic trouble code (DTC) CEM-5F3F Fuel pump (FP), signal may be stored if there is a fault in the power cable.

Remedy as necessary.

Other information: 

Fig 1: Brake Pedal Position Sensor Connector Terminal Identification
GLL104085Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Ohm Meter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 3: Identifying Connector Terminals
GLL104183Courtesy of VOLVO CARS OF NORTH AMERICA.