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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.