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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)) >> DSA-212: Stop (Brake) Lamp Switch. Faulty Signal. Permanent Fault (B4204T2 CVVT; 2000) >> Faulty signal. Permanent fault >> Checking for contact resistance and oxidation

Checking for contact resistance and oxidation

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 circuit for stop (brake) lamp switch connector terminal 1 for contact resistance and oxidation according to Contact resistance and oxidation .

Check the cable between DSA control module terminal 7 and stop (brake) lamp switch terminal 2 for contact resistance and oxidation according to Contact resistance and oxidation .

The connection is via the central electrical module. The input signal is via terminal B1:3. The output signal is via terminal B1:4 to the DSA control module.

Check the central electrical module (CEM) connector for contact resistance and oxidation according to Contact resistance and oxidation .

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