Pinpoint Test B : B1B57:11
- B1 CHECK THE FRONT BUMPER WIRING HARNESS
- Ignition OFF.
- Inspect the front bumper wiring harness for opens, shorts, grounds, or corrosion.
Is the front bumper wiring harness OK?
Yes GO to B2 No REPAIR or INSTALL a new bumper wiring harness. - B2 CHECK THE LH (LEFT-HAND) FRONT OUTER PARKING AID SENSOR FOR AN INTERNAL SHORT
- Disconnect LH Front Outer Parking Aid Sensor C1428 .
- Ignition ON.
- Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs) and repeat the self-test.
Is DTC B1B57:11 still present?
Yes GO to B3 No INSTALL a new LH front outer parking aid sensor. Refer to: Front Parking Aid Sensor - Vehicles With: Rear Parking Aid . - B3 CHECK THE LH (LEFT-HAND) FRONT INNER PARKING AID SENSOR FOR AN INTERNAL SHORT
- Ignition OFF.
- Disconnect LH Front Inner Parking Aid Sensor C1429 .
- Ignition ON.
- Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs) and repeat the self-test.
Is DTC B1B57:11 still present?
Yes GO to B4 No INSTALL a new LH front inner parking aid sensor. Refer to: Front Parking Aid Sensor - Vehicles With: Rear Parking Aid . - B4 CHECK THE RH (RIGHT-HAND) FRONT INNER PARKING AID SENSOR FOR AN INTERNAL SHORT
- Ignition OFF.
- Disconnect RH Front Inner Parking Aid Sensor C1430 .
- Ignition ON.
- Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs) and repeat the self-test.
Is DTC B1B57:11 still present?
Yes GO to B5 No INSTALL a new RH front inner parking aid sensor. Refer to: Front Parking Aid Sensor - Vehicles With: Rear Parking Aid . - B5 CHECK THE RH (RIGHT-HAND) FRONT OUTER PARKING AID SENSOR FOR AN INTERNAL SHORT
- Ignition OFF.
- Disconnect RH Front Outer Parking Aid Sensor C1431 .
- Ignition ON.
- Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs) and repeat the self-test.
Is DTC B1B57:11 still present?
Yes GO to B6 No INSTALL a new RH front outer parking aid sensor. Refer to: Front Parking Aid Sensor - Vehicles With: Rear Parking Aid . - B6 CHECK THE PARKING AID SENSOR VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND
- Ignition OFF.
- Disconnect PAM C9071B .
- Measure:
Positive Lead Measurement / Action Negative Lead C9071B-2 Ground
Is the resistance greater than 10, 000 ohms?
Yes GO to B7 No REPAIR the circuit. - B7 CHECK THE PARKING AID SENSOR VOLTAGE SUPPLY CIRCUIT AND GROUND CIRCUIT FOR A SHORT TOGETHER
Is the resistance greater than 10, 000 ohms?
Yes GO to B8 No REPAIR the circuits. - B8 CHECK FOR CORRECT PAM (PARKING ASSIST CONTROL MODULE) OPERATION
- Ignition OFF.
- Disconnect and inspect the PAM connectors.
- Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary
- Reconnect the PAM connectors. Make sure they seat and latch correctly.
- Operate the system and determine if the concern is still present.
Is the concern still present?
Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new PAM. Refer to: Parking Assist Control Module (PAM) - Short Wheelbase . Refer to: Parking Assist Control Module (PAM) - Long Wheelbase . No The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.