Pinpoint Test
- CHECK THE Diagnostic Trouble Codes (DTCs) FROM THE Parking Aid Module (PAM) SELF-TEST
- Ignition ON.
- Using a scan tool, perform the Parking Aid Module (PAM) self-test.
- Check the Parking Aid Module (PAM) Diagnostic Trouble Codes (DTCs) from the self-test.
- Are any Parking Aid Module (PAM) Diagnostic Trouble Codes (DTCs) recorded?
- Yes: REFER to DTC CHART: PARKING AID MODULE (PAM) .
- No: GO to 2 on page 2.
- CHECK THE MESSAGE CENTER FOR CORRECT OPERATION
- While observing the message center, disable and enable the parking aid system.
- Does the message center display PARK AID OFF when the parking aid system is disabled, and display PARK AID ON when the parking aid system is enabled?
- Yes: GO to 3 on page 2.
- No: REFER to SYMPTOM CHART: MESSAGE CENTER .
- CHECK FOR CORRECT REVERSE GEAR INPUT
- Apply the parking brake.
- Select REVERSE.
- Using a scan tool, view Parking Aid Module (PAM) Parameter Identifications (PIDs).
- Monitor the Parking Aid Module (PAM) TRANSGR Parameter Identification (PID).
- Does the Parameter Identification (PID) indicate YES (transmission in reverse)?
- Yes: GO to 4 on page 2.
- No: REFER to DIAGNOSTIC PID CHART .
- CHECK PARKING AID SENSORS FOR CORRECT INSTALLATION
- Select PARK.
- Inspect the parking aid sensors for correct installation. Make sure the isolator rings are not rolled between the sensor and the bezel.
- Are the parking aid sensors correctly installed?
- Yes: GO to 5 on page 2.
- No: REMOVE and correctly INSTALL the parking aid sensor(s) in question.
- CHECK PARKING AID SENSOR ISOLATOR RINGS
- Inspect the parking aid sensor isolator rings for deformation and damage.
- Are the parking aid sensor isolator rings OK?
- Yes: GO to 6 on page 3.
- No: INSTALL a new parking aid sensor or isolator ring as necessary. REFER to Parking Aid Sensor .
- CHECK THE Parking Aid Module (PAM) SPEAKER OUTPUT
- Apply the parking brake.
- Select PARK.
- Using a scan tool, view Parking Aid Module (PAM) Parameter Identifications (PIDs).
- Using a scan tool, command the Parking Aid Module (PAM) REAR_TONE Parameter Identification (PID) Active and then Inactive.
- Does the Parking Aid Module (PAM) speaker sound when Active?
- Yes: GO to 7 on page 3.
- No: INSTALL a new Parking Aid Module (PAM) speaker. Parking Aid Module (PAM). TEST the system for normal operation.
If the concern still exists, GO to 7 on page 3.
- CHECK FOR CORRECT Parking Aid Module (PAM) OPERATION
- Ignition OFF.
- Disconnect and inspect the Parking Aid Module (PAM) connector.
- 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 Parking Aid Module (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 On-Line Automotive Service Information System (OASIS) for any applicable Technical Service Bulletins (TSBs). If a Technical Service Bulletin (TSB) exists for this concern, DISCONTINUE this test and FOLLOW Technical Service Bulletin (TSB) instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new Parking Aid Module (PAM). REFER to PARKING AID MODULE (PAM) .
- No: The system is operating correctly at this time. Concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.