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Home >> Volvo >> 1993 >> 240 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostics - Ignition System >> Entering Self-Diagnostics >> Control Function No. 2

Control Function No. 2

(Testing Impulse Sensor & Throttle Switch)

This function tests impulse sensor signal while engine is cranking and throttle switch is in idle position. As each is activated, information is provided through LED in a flash code. This control function is generally used as a double-check after repairs.