MM0112 ABS Electronic Stability Brake Pressure Sensor Testing

MM0112 ABS Electronic Stability Brake Pressure Sensor Testing

Related Contents:

Meritor Wabco Toolbox v14.2 v12 Diagnostic Software Download

Electrical Checks
For the following check, all of the ECU connectors must be plugged in as the ECU provides voltage and ground to the BPS.

n Take measurements at the pressure sensor harness connector.
n Measure Voltage Supply to Ground on Pin 1 of the BPS Connector Key ON.

With ECU and BPS disconnected:
n Verify continuity end to end on all 3 lines.
n Verify no shorts to ground or battery on all 3 lines.
n Verify no continuity between pins.
Measurements should read as below.