Pinpoint Test D : DTC B1B44:96, B1B46:96, B1B48:96 Or B1B50:96
- D1 CHECK THE DTCs FROM BOTH THE CONTINUOUS AND ON-DEMAND PAM SELF-TESTS
- Using a scan tool, perform the PAM self-tests.
Are parking aid DTCs other than B1B44:96, B1B46:96, B1B48:96 or B1B50:96 recorded?
Yes DIAGNOSE the other DTCs first. REFER to DTC Charts in this information. No GO to D2. - D2 CHECK THE PARKING AID SENSOR OPERATIONNOTE: Make sure the area around the vehicle is clear of anything that might activate the parking aid system.
- Clean the bumper and sensors with high-pressure water.
- Carry out the azimuth system check. Refer to Azimuth System Check .
- Carry out the elevation system check. Refer to Elevation System Check .
Does the parking aid system pass both system checks?
Yes The system is operating correctly at this time. The concern may have been caused by a dirty or blocked parking aid sensor. No GO to D3. - D3 CHECK THE REAR PARKING AID SENSOR DISTANCE PIDs
- Make sure the suspect parking aid sensor(s) is flush-mounted in the bezel.
- Ignition ON.
- Enter the following diagnostic mode on the scan tool: Parking Aid PID.
- With the brake pedal applied, shift the transmission into REVERSE (R) and monitor the parking aid sensor distance PID. The PID reads 255 cm (8.4 ft) on a correctly functioning sensor.
Does the PID read 255 cm (8.4 ft)?
Yes GO to D4. No GO to D5. - D4 CHECK THE PARKING AID SENSOR ATTENUATION PIDs
- Check the parking aid sensor attenuation PIDs.
Do all of the attenuation PIDs read between 0 and 16 ms?
Yes GO to D6. No GO to D5. - D5 INSTALL A KNOWN GOOD SENSOR
- Install a known good sensor for the suspect parking aid sensor.
- Ignition ON.
- Using a scan tool, clear the DTCs. Repeat the self-test. Operate the system and verify the concern is still present.
Is the concern still present?
Yes GO to D6. No INSTALL a new parking aid sensor. REFER to Parking Aid Sensor . - D6 CHECK FOR CORRECT PAM OPERATION
- Disconnect and inspect the PAM connector.
- Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged pins - install new terminals/pins
- pushed-out pins - install new pins as necessary
- Reconnect the PAM connector. Make sure it seats and latches correctly.
- Operate the system and determine if the concern is still present.
Is the concern still present?
Yes CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new PAM. REFER to Parking Aid Module (PAM) . No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.