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Home >> Lincoln >> 2012 >> MKT Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Information Center - Instrumentation, Message Center, And Warning Chimes >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test AL: The Parking Brake Warning Chime Is Inoperative >> Pinpoint Test Al: The Parking Brake Warning Chime Is Inoperative

Pinpoint Test Al: The Parking Brake Warning Chime Is Inoperative

  1. AL1 CHECK THE KEY-IN-IGNITION WARNING CHIME OPERATION 
    • Ignition OFF.
    • Place the ignition in the ACC mode.
    • Open the LH front door and observe the key-in-ignition warning chime operation.
    • Does the key-in-ignition warning chime operate correctly? 
    1. Yes  : GO to AL2.
    2. No  : INSTALL a new IPC. REFER to INSTRUMENT PANEL CLUSTER (IPC) . TEST the system for normal operation.
  2. AL2 CHECK THE BRAKE WARNING INDICATOR FOR CORRECT OPERATION 
    • Ignition ON.
    • Apply and release the parking brake.
    • Does the brake warning indicator turn on when applied and turn off when released? 
    1. Yes  : GO to AL3.
    2. No  : GO to PINPOINT TEST J  (never on) or GO to PINPOINT TEST K  (always on).
  3. AL3 CHECK THE SPEEDOMETER FOR CORRECT OPERATION 
    • Ignition ON.
    • Drive the vehicle and verify that the speedometer is operating correctly.
    • Does the speedometer operate correctly? 
    1. Yes  : GO to AL4.
    2. No  : GO to PINPOINT TEST E .
  4. AL4 RETRIEVE THE RECORDED DTCs FROM THE SJB SELF-TEST 
    • Check for recorded DTCs from the SJB self-test.
    • Are any DTCs recorded? 
    1. Yes  : REFER to MULTIFUNCTION ELECTRONIC MODULES .
    2. No  : INSTALL a new SJB. REFER to SUPPLEMENTAL RESTRAINT SYSTEM . TEST the system for normal operation.
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