199004936 - 1064BI FUEL SYSTEM RETURN PRESSURE CHECK

STEPCHECK TO BE PERFORMEDREMEDIAL ACTION IF THE CHECK IS NOT OK
1Sensor power supply checkConnect to pins 1 and 2 of the pressure sensor connector in the voltmeter function using the ExaminerTurn the ignition key to the ON positionCheck that the voltage is around 5 VoltsRestore the continuity of the wiring between the engine management control unit and the pressure sensorIf the supply is interrupted at the engine control unit outlet, replace the engine management control unit    Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R
2Pressure signal checkConnect the Examiner in voltmeter mode: black probe to pin 2 of the sensor and red probe to pin 3Start the engineCheck for the presence of a voltage signal of around 1.5 Volt that increases to around 4.5 Volt when acceleratingReplace the supercharging sensor    Op. 1056B44 AIR PRESSURE SENSOR - R.R.
Sensor pin out1. +5 Volt2. Earth3. Signal