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DTC P0517: Battery Temperature Sensor High: Testing

WARNING: This page is about a different car, the 2004 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition on, engine not running. With the DRBIII(R), read the Battery Temp Sensor voltage. If the voltage is above 4.8 volts, go to next step. If the voltage is not above 4.8 volts, see INTERMITTENT CONDITIONS  . Perform POWERTRAIN VERIFICATION TEST VER-5 (NGC)  .
  2. Turn the ignition off. Disconnect the Battery Temp Sensor harness connector. Turn ignition on, engine not running. Measure the voltage of the Battery Temp Signal circuit in the Battery Temp Sensor harness connector. If the voltage is above 5.2 volts, repair the short to battery voltage in the Battery Temp Signal circuit. Perform POWERTRAIN VERIFICATION TEST VER-5 (NGC)  . IF the voltage is not above 5.2 volts, go to next step.
  3. Turn the ignition off. Disconnect the Battery Temp harness connector. Connect a jumper wire between the Battery Temp Signal circuit and the Sensor ground circuit in the Battery Temp harness connector. Turn ignition on, engine not running. With the DRBIII(R), read the Battery Temp Sensor voltage. If the voltage is below 1.0 volt, replace the Battery Temp Sensor. Perform POWERTRAIN VERIFICATION TEST VER-5 (NGC)  . If the voltage is not below 1.0 volt, go to next step.
    4. CAUTION: DO NOT probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install Miller Special Tool (8815) to perform diagnosis.
  4. Turn the ignition off. Disconnect the Battery Temp Sensor harness connector. Disconnect the PCM harness connector. Measure the resistance of the Battery Temp Signal circuit from the Battery Temp Sensor harness connector to the appropriate terminal of Miller Special Tool (8815). Is the resistance below 5.0 ohms go to next step. If the resistance is not below 5 ohms, repair the open in the Battery Temp Signal circuit. Perform POWERTRAIN VERIFICATION TEST VER-5 (NGC)  .
    5. CAUTION: DO NOT probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install Miller Special Tool (8815) to perform diagnosis.
  5. Turn the ignition off. Disconnect the Battery Sensor harness connector. Disconnect the PCM harness connector. Measure the resistance of the Sensor ground circuit from the Battery Temp Sensor harness connector to the appropriate terminal of Miller Special Tool (8815). If the resistance is below 5.0 ohms, go to next step. If the resistance is not below 5.0 ohms, repair the open in the Sensor ground circuit. Perform POWERTRAIN VERIFICATION TEST VER-5 (NGC)  .
    6. NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.
  6. If there are no possible causes remaining, replace and program the Powertrain Control Module. See PROGRAMMING  . Perform POWERTRAIN VERIFICATION TEST VER-5 (NGC)  .
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