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Turbocharger Pressure Sensor

TURBOCHARGER PRESSURE SENSOR RESISTANCE

ECU Connector Pin No. ⁽¹⁾

Sensor Terminal No. (Wire Color)

Ohms

3

1 (White Wire)

Zero

4

3 (Black Wire)

Zero

5

2 (Red Wire)

Zero

⁽¹⁾	Unplug ECU and pressure sensor connectors. Measure resistance between indicated ECU connector pins and sensor connector terminals.

TURBOCHARGER PRESSURE SENSOR VOLTAGE ⁽¹⁾

Terminals

Voltage

Sensor Connector

Red Wire & Black Wire

⁽²⁾ 3.1

Red Wire & Black Wire

⁽³⁾ 2.6

Red Wire & Black Wire

⁽⁴⁾ 2.1

⁽¹⁾	Apply 5 volts across terminals No. 1 and No. 2. Connect terminal No. 1 (White wire) to positive voltage and ground terminal No. 2 (Red wire). Connect vacuum pump to pressure sensor hose fitting. Measure voltage across specified terminals when pressure is applied to sensor.

⁽²⁾	With 7.87 in. Hg pressure applied to sensor.

⁽³⁾	With no pressure or vacuum applied to sensor.

⁽⁴⁾	With 7.87 in. Hg vacuum applied to sensor.