Pinpoint Test D : B1B44:14, B1B46:14, B1B48:14, B1B50:14: Notes

Refer to Parking Aid for schematic and connector information.

Normal Operation and Fault Conditions

The PAM supplies voltage and ground to the rear parking aid sensors and monitors the sensor signal return circuits when the ignition is on.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
B1B44:14	Right Rear Outer Sensor: Circuit Short To Ground Or Open	A continuous and on-demand DTC that sets when any of the right rear outer parking aid sensor circuits are open or the sensor signal line is shorted to ground.
B1B46:14	Right Rear Inner Sensor: Circuit Short To Ground Or Open	A continuous and on-demand DTC that sets when any of the right rear inner parking aid sensor circuits are open or the sensor signal line is shorted to ground.
B1B48:14	Left Rear Outer Sensor: Circuit Short To Ground Or Open	A continuous and on-demand DTC that sets when any of the left rear outer parking aid sensor circuits are open or the sensor signal line is shorted to ground.
B1B50:14	Left Rear Inner Sensor: Circuit Short To Ground Or Open	A continuous and on-demand DTC that sets when any of the left rear inner parking aid sensor circuits are open or the sensor signal line is shorted to ground.

Possible Sources

NOTE: Before disconnecting the PAM or any of the parking aid sensors, verify the connectors are properly seated and latched.