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Home >> Volvo >> 2003 >> S40 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Guard Lock And Alarm (GLA) & Immobilizer Module (IMM) Diagnostic Trouble Codes (644 Body) >> IMM-312: Communication With Engine Control Module (ECM). Signal Too Low (B4204T2 CVVT; 2000) >> Signal Too Low >> Verification
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Signal Too Low: Verification

HINT: After carrying out the repair, check that the fault has been remedied. 

Fig 1: Engine Start Verification
GLL101037Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Connecting Connector
GLL101069Courtesy of VOLVO CARS OF NORTH AMERICA.

Does the engine start?