Pinpoint Test E : B1B44:12, B1B46:12, B1B48:12, B1B50:12: 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 key is on.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B1B44:12 | Right Rear Outer Sensor: Circuit Short To Battery | A continuous and on-demand DTC that sets when the right rear outer parking aid sensor signal circuit is shorted to battery voltage. |
| B1B46:12 | Right Rear Inner Sensor: Circuit Short To Battery | A continuous and on-demand DTC that sets when the right rear inner parking aid sensor signal circuit is shorted to battery voltage. |
| B1B48:12 | Left Rear Outer Sensor: Circuit Short To Battery | A continuous and on-demand DTC that sets when the left rear outer parking aid sensor signal circuit is shorted to battery voltage. |
| B1B50:12 | Left Rear Inner Sensor: Circuit Short To Battery | A continuous and on-demand DTC that sets when the left rear inner parking aid sensor signal circuit is shorted to battery voltage. |
Possible Sources
- Wiring, terminals or connectors
- Rear parking aid sensor
- PAM
NOTE:
Before disconnecting the PAM or any of the parking aid sensors, verify the connectors are properly seated and latched.