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Pinpoint Test As: DTC B1363

WARNING: This page is about a different car, the 2010 Lincoln MKX and 2010 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
  1. AS1 CARRY OUT THE IC SELF-TEST 
    • Enter the following diagnostic mode on the scan tool: IC  Self-Test.
    • Clear the DTCs. Repeat the IC  self-test.
    • Is DTC B1363 still present? 
    • Yes:  GO to AS2  .
    • No:  The system is operating normally at this time. The concern may have resulted from an intermittent network concern.
  2. AS2 RETRIEVE THE RECORDED DTCs FROM THE SJB SELF-TEST 
    • Check for recorded SJB  DTCs from the self-test.
    • Are any SJB DTCs recorded? 
  3. AS3 CHECK THE SJB IGNITION SWITCH PID 
    • Disconnect: Starter Relay.
    • Ignition ON.
    • Enter the following diagnostic mode on the scan tool: SJB  DataLogger.
    • Monitor the SJB  ignition switch (IGN_S_ECU) PID with the ignition switch in the START position then in the RUN position.
    • Does the PID indicate YES with the ignition in the START position and NO in the RUN position? 
    • Yes:  GO to  AS6.
    • No:  GO to AS4  .
  4. AS4 CHECK THE IGNITION SWITCH INPUT CIRCUIT FOR A SHORT TO VOLTAGE 
    • Ignition OFF.
    • Disconnect: SJB  C2280b.
    • Disconnect: Ignition Switch C250.
    • Ignition ON.
    • Measure the voltage between the ignition switch C250-7, circuit CDC35 (BU/WH), harness side and ground.
      Fig 1: Measuring Voltage Between Ignition Switch C250-7, Circuit CDC35 (BU/WH), Harness Side And Ground
      G06503550Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    • Yes:  REPAIR circuit CDC35 (BU/WH) for a short to voltage. CLEAR the DTCs. REPEAT the self-test.
    • No:  GO to AS5  .
  5. AS5 CHECK THE IGNITION SWITCH OPERATION 
    • Ignition OFF.
    • Connect: Ignition Switch C250.
    • Place the key in the START position.
    • Measure the voltage between the SJB  C2280b-32, circuit CDC35 (BU/WH), harness side and ground.
      Fig 2: Measuring Voltage Between SJB C2280B-32, Circuit CDC35 (BU/WH), Harness Side And Ground
      G06503551Courtesy of FORD MOTOR CO.
    • Ignition ON.
    • Measure the voltage between the SJB  C2280b-32, circuit CDC35 (BU/WH), harness side and ground.
      Fig 3: Measuring Voltage Between SJB C2280B-32, Circuit CDC35 (BU/WH), Harness Side And Ground
      G06503551Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts with the ignition switch in the START position then drop to 0 volts with the ignition switch in the RUN position? 
    • Yes:  GO to AS6  .
    • No:  INSTALL a new ignition switch. REFER to STEERING COLUMN SWITCHES . CLEAR the DTCs. REPEAT the self-test.
  6. AS6 CHECK FOR CORRECT SJB MODULE OPERATION 
    • Disconnect all the SJB  connectors.
    • Check for:
      • corrosion
      • damaged pins
      • pushed-out pins
    • Connect all the SJB  connectors and make sure they seat correctly.
    • Operate the system and verify that the concern is still present.
    • Is the concern still present? 
    • Yes:  INSTALL a new SJB  . REFER to MULTIFUNCTION ELECTRONIC MODULES . TEST the system for normal operation.
    • No:  The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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