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Home >> Ford >> 2021 >> Explorer ST >> Repair and Diagnosis >> Electrical >> Gauges >> Instrumentation, Message Center And Warning Chimes (2 Of 2) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test BR : The Active Park Assist-Parking Aid Chime Is Inoperative

Pinpoint Test BR : The Active Park Assist-Parking Aid Chime Is Inoperative

  1. Normal Operation and Fault Conditions 

    See Active Park Assist or Parking Aid Chime. REFER to: Warning Chimes - System Operation and Component Description .

    Possible Sources 

    • Parking aid system concern
    • Communication concern
    • PAM concern (without 360 ° camera)
    • IPMB concern (with 360 ° camera)
    • GWM
    • IPC

  2. BR1 CHECK THE SEATBELT WARNING CHIME OPERATION

    • Ignition OFF.

    • Ignition ON.

    • Unbuckle the driver seatbelt.

    • Monitor the seatbelt warning chime when the ignition is transitioned from OFF to RUN for 6 seconds.

    Does the seatbelt warning chime operate for approximately 6 seconds? 

    Yes  GO to  BR2
    No  GO to Pinpoint Test CG 
  3. BR2 VERIFY THE CHIMES FUNCTION THROUGH THE AUDIO SPEAKERS

    • Ignition OFF.

    • Ignition ON.

    • Monitor the location of the seatbelt warning chime (front/rear audio speakers or IPC) when the ignition is transitioned from OFF to RUN.

    Does the chime sound through the audio speakers? 

    Yes  If equipped with 360 ° camera, GO to  BR5 If not equipped with 360 ° camera, GO to  BR4
    No  GO to  BR3
  4. BR3 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST

    • Using a diagnostic scan tool, perform the IPC self-test.

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to Diagnostic Trouble Code (DTC) Chart .
    No  If equipped with 360 ° camera, GO to  BR5 If not equipped with 360 ° camera, GO to  BR4
  5. BR4 PERFORM THE PAM (PARKING ASSIST CONTROL MODULE) SELF-TEST

    • Using a diagnostic scan tool, perform the PAM self-test.

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Parking Aid .
    No  GO to  BR6
  6. BR5 PERFORM THE IPMB (IMAGE PROCESSING MODULE B) SELF-TEST

    • Using a diagnostic scan tool, perform the IPMB self-test.

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Parking Aid .
    No  GO to  BR6
  7. BR6 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

    • Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (DTCs).

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Communications Network .
    No  DIAGNOSE the audible parking aid. For audible parking aid, REFER to: Parking Aid . For active park assist, REFER to: Parking Aid .