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Home >> Volvo >> 2008 >> S40 T-5, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Dynamic Stability Assist (DSA) & Electronic Control Module (ECM) Diagnostic Trouble Codes (644 Body)) >> ECM-15: Engine Coolant Temperature (ECT) Sensor Signal. Signal Too Low. Permanent Fault (B4204T2 CVVT; 2000) >> Signal too low. Permanent fault >> Checking the cable

Checking the cable

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

Check the cable between engine coolant temperature sensor connector terminal #1 and engine control module (ECM) terminal #47. Check for a short-circuit to ground according to Short-circuit to ground, permanent faults .

Remedy as necessary.

Fig 1: Identifying Terminal Connectors
GLL104060Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Ohmmeter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 3: EMS2000
GLL111998Courtesy of VOLVO CARS OF NORTH AMERICA.