3363672 - 5550CA Checking hazard light operation

Hazard warning lights control signal test
Extract the hazard warning lights control from the dashboard With the button released, check that the circuit between pins 2 and 3 of the hazard warning lights control is OPENWith the button pressed, check that the circuit between pins 2 and 3 of the hazard warning lights control is CLOSEDLuminous diode internal operating circuit testConnect pin 1 to the positive battery terminal with a voltage of 12V Connect pin 2 to the negative battery terminalCheck that the diode lights up dimly.Connect pin 4 to the positive battery terminal with a voltage of 12V.Connect pin 2 to the negative battery terminalCheck that the diode lights up more brightly.