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Pinpoint Test G: DTC P2532 And P2535

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  1. G1 CHECK THE PCM FOR DTCS 
    • Ignition ON.
    • Check the PCM for DTCs.
    • Are any DTCs present? 
    1. Yes  : For DTC P2532,  GO to G2.

      For DTC P2535,  GO to  G3.

      For all other PCM DTCs, REFER to ELECTRONIC ENGINE CONTROLS .

    2. No  : The system is operating correctly at this time. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
  2. G2 CHECK THE RUN START CIRCUIT FOR A SHORT TO VOLTAGE 
    • Ignition OFF.
    • Disconnect: PCM.
    • Ignition ON.
      • NOTE: Voltage is present ONLY  when the ignition switch is in the START or RUN position.
      Fig 1: Measuring Voltage Between PCM C1551B-48, Circuit CBB53 (GY/BN) And Ground (For 3.5L)
      G07962193Courtesy of FORD MOTOR CO.
    • For 3.5L equipped vehicles,  measure the voltage between the PCM C1551B-48, circuit CBB53 (GY/BN), harness side and ground.
    • Ignition ON.
      • NOTE: Voltage is present ONLY  when the ignition switch is in the START or RUN position.
      Fig 2: Measuring Voltage Between PCM C175B-42, Circuit CBB53 (GY/BN) And Ground (For 3.7L)
      G07481856Courtesy of FORD MOTOR CO.
    • For 3.7L equipped vehicles,  measure the voltage between PCM C175B-42, circuit CBB53 (GY/BN), harness side and ground
    • Ignition ON.
      • NOTE: Voltage is present ONLY  when the ignition switch is in the START or RUN position.
      Fig 3: Measuring Voltage Between PCM C1381B-42, Circuit CBB53 (GY/BN) And Ground
      G07481856Courtesy of FORD MOTOR CO.
    • For 5.0L and 6.2L equipped vehicles,  measure the voltage between PCM C1381B-42, circuit CBB53 (GY/BN), harness side and ground
    • Is any voltage present? 
    1. Yes  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
    2. No  : CHECK for causes of the intermittent fault. ATTEMPT to recreate the hard fault by flexing the wire harness and cycling the ignition key frequently. ACTIVATE other systems in the same wire harness. REPAIR any concern found. REPEAT the self-test. TEST the system for normal operation. If DTC returns. INSTALL a new PCM. REFER to ELECTRONIC ENGINE CONTROLS .
  3. G3 CHECK THE START MOTOR REQUEST CIRCUIT 
    • Start the engine.
    • Disconnect: Starter Motor Relay.
    • Measure the voltage between BJB starter relay socket pin 2, circuit CDC26 (GY/OG) and ground.
      Fig 4: Measuring Voltage Between BJB Starter Relay Socket Pin 2, Circuit CDC26 (GY/OG) And Ground
      G07962196Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    1. Yes  : GO to G4.
    2. No  : INSTALL a new PCM. REFER to ELECTRONIC ENGINE CONTROLS . TEST the system for normal operation.
  4. G4 CHECK THE START MOTOR REQUEST CIRCUIT FOR A SHORT VOLTAGE 
    • Ignition OFF.
    • Disconnect: PCM C175B.
    • Ignition ON.
    • Measure the voltage between BJB starter relay socket pin 1, circuit CDC12 (YE) and ground.
      Fig 5: Measuring Voltage Between BJB Starter Relay Socket Pin 1, Circuit CDC12 (YE) And Ground
      G07962197Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    1. Yes  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
    2. No  : INSTALL a new PCM. REFER to ELECTRONIC ENGINE CONTROLS . TEST the system for normal operation.
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