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Home >> Ford >> 2018 >> Transit-350 Base, Van Cargo Extended, 3.2L Eng VIN V >> Repair and Diagnosis >> Electrical >> Gauges >> Information Center - Instrumentation, Message Center And Warning Chimes (2 Of 2) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test Ax : The Parking Brake Warning Chime Is Inoperative

Pinpoint Test Ax : The Parking Brake Warning Chime Is Inoperative

  1. Normal Operation and Fault Conditions 

    See Parking Brake Warning Chime. REFER to: Warning Chimes - System Operation and Component Description .

    Possible Sources 

    • Brake warning indication concern
    • BCM
    • IPC

    Visual Inspection and Pre-checks 

    • Check the operation of the parking brake warning chime operation with the vehicle moving at least 10 km/h (6.2 mph) and the parking brake slightly applied (just enough to turn the brake warning indicator on without damaging the rear brakes).

  2. AX1 CHECK THE SAFETY BELT WARNING CHIME OPERATION

    • Ignition OFF.

    • Unbuckle the driver safety belt.

    • Ignition ON.

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

    Does the safety belt warning chime operate for approximately 6 seconds? 

    Yes  GO to  AX2
    No  GO to Pinpoint Test A 

  3. AX2 CHECK THE BRAKE WARNING INDICATOR FOR CORRECT OPERATION

    • Apply the parking brake.

    • Observe the brake warning indicator.

    Does the brake warning indicator illuminate? 

    Yes  GO to  AX3
    No  GO to Pinpoint Test L 

  4. AX3 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM 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 DTC Chart: IPC .
    No  GO to  AX4

  5. AX4 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE BCM (BODY CONTROL MODULE) SELF-TEST

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Body Control Module (BCM) .
    No  GO to  AX5

  6. AX5 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

    • Ignition OFF.

    • Disconnect and inspect all BCM 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 BCM 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 BCM. REFER to: Body Control Module (BCM) .
    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.
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