194001969 - D074 CRUISE CONTROL SYSTEM DOES NOT GO OFF WHEN BRAKE PEDAL PRESSED

1	BRAKE PEDAL SWITCH CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the brake pedal switch is working properly	Move on to Step 2	1. Brake pedal switch connection faulty	1. Repair the engine connections:    See E5060 CRUISE CONTROL
			2. Brake pedal switch faulty	2. Replace the brake pedal switch    Op. 5550D10 BRAKE LIGHT SWITCH - R+R
2	ENGINE MANAGEMENT CONTROL UNIT CONNECTIONS CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	With the ignition key in the ON position and the brake pedal pressed, check for a voltage signal at the engine management control unit coming from the brake switch:    See E5060 CRUISE CONTROL	Move on to Step 3	No voltage detected	Repair the engine connections    See E5060 CRUISE CONTROL
3	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present by carrying out    See Test 5580AE CRUISE CONTROL OPERATION ROAD TEST	End of diagnosis	The fault persists: control unit defective	Replace the engine management control unit    Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - .R