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Pinpoint Test E: B2A20 - Ignition Stuck In Start

WARNING: This page is about a different car, the 2007 Lincoln MKX and 2007 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Use the Flex Probe Kit for all test connections to prevent damage to the wiring terminals. Do not use standard multi-meter probes.
NOTE: Verify that battery voltage is 10 volts or greater.
  1. E1 CHECK THE IGNITION SWITCH MECHANICAL FUNCTION 
    1. YES  : Go to  E2.
    2. NO  : INSTALL a new ignition switch. REFER to Ignition Switch . TEST the system for normal operation.
  2. E2 CHECK THE IGNITION SWITCH FOR A SHORT 
    1. YES  : Go to  E3.
    2. NO  : INSTALL a new ignition switch. REFER to Ignition Switch . CLEAR the DTCs. REPEAT the self-test.
  3. E3 CHECK CIRCUIT CDC35 (BU/WH) FOR A SHORT TO VOLTAGE 
    • Key in OFF position.
    • Disconnect: Ignition Switch C250
    • Disconnect: SJB C2280b
      • Fig 1: Measuring Voltage Between Ignition Switch C250-7, Circuit CDC35 (BU/WH), Harness Side & Ground
      GF0032065Courtesy of FORD MOTOR CO.
    • Measure the voltage between ignition switch C250-7, circuit CDC35 (BU/WH), harness side and ground.
    • Is any voltage present? 
    1. YES  : REPAIR circuit CDC35 (BU/WH). CLEAR the DTCs. REPEAT the self-test.
    2. NO  : Go to  E4.
  4. E4 CHECK THE SJB FOR A SHORT TO VOLTAGE 
    • Disconnect: SJB C2280e
    • Measure the voltage between SJB C2280b-32, circuit CDC35 (BU/WH), component side and ground.
    • Is any voltage present? 
    1. YES  : Go to  E8.
    2. NO  : Go to  E5.
  5. E5 CHECK CIRCUIT CDC35 (BU/WH) FOR A SHORT TO VOLTAGE 
      Fig 2: Measuring Voltage Between SJB C2280E-8, Circuit CDC35 (BU/WH), Harness Side & Ground
      GF0032066Courtesy of FORD MOTOR CO.
    • Measure the voltage between SJB C2280e-8, circuit CDC35 (BU/WH), harness side and ground.
    • Is any voltage present? 
    1. YES  : Go to  E6.
    2. NO  : Go to  E8.
  6. E6 ISOLATE THE STARTER RELAY 
    • Disconnect: Starter Relay
      • Fig 3: Measuring Voltage Between SJB C2280E-8, Circuit CDC35 (BU/WH), Harness Side & Ground
      GF0032066Courtesy of FORD MOTOR CO.
    • Measure the voltage between SJB C2280e-8, circuit CDC35 (BU/WH), harness side and ground.
    • Is any voltage present? 
    1. YES  : Go to  E7.
    2. NO  : INSTALL a new starter relay. CLEAR the DTCs. REPEAT the self-test.
  7. E7 ISOLATE THE PCM 
    • Disconnect: PCM C175b
      • Fig 4: Measuring Voltage Between SJB C2280E-8, Circuit CDC35 (BU/WH), Harness Side & Ground
      GF0032066Courtesy of FORD MOTOR CO.
    • Measure the voltage between SJB C2280e-8, circuit CDC35 (BU/WH), harness side and ground.
    • Is any voltage present? 
    1. YES  : REPAIR circuit CDC35 (BU/WH). CLEAR the DTCs. REPEAT the self-test.
    2. NO  : INSTALL a new PCM. Refer to ENGINE SYSTEM - GENERAL INFORMATION for the procedure. CLEAR the DTCs. REPEAT the self-test.
  8. E8 CHECK FOR CORRECT SJB OPERATION 
    • Check SJB connectors C2280b and C2280e for:
      • corrosion.
      • pushed-out pins.
      • spread terminal.
    • Connect: SJB C2280b
    • Connect: SJB C2280e
    • Make sure the connectors are seated correctly, then operate the system and verify the concern is still present.
    • Is the concern still present? 
    1. YES  : INSTALL a new SJB, REFER to MULTIFUNCTION ELECTRONIC MODULES . CLEAR the DTCs. REPEAT the self-test.
    2. NO  : The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.
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