The ABS control unit M050 receives a battery power supply at pins 17 and 18 protected by fuse F04 located in the engine compartment junction unit B001; the ignition-operated supply is protected by fuse F42 located in the junction unit under the instrument panel B002.When the brake pedal is pressed, switch I030 supplies control unit M070 - pin 14 - with an ignition-operated supply protected by fuse F26, located in control unit B002.ABS control unit M050 activates wheel sensors K070, K071, K075 and K076 via pins 1, 2, 3, 4, 6, 7, 8, 9.if the system malfunctions, the control unit turns on the warning lights located in instrument panel E050.Control unit M070 communicates via the CAN with engine control unit M010, from pins 29 and 30.