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DTC P0516: Battery Temperature Sensor Low: Testing

WARNING: This page is about a different car, the 2003 Dodge Dakota. 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®, record all DTC's and the related freeze frame data. With DRBIII®, monitor the battery temperature sensor voltage. If the voltage is below .5 volt, go to next step. If the voltage is not below .5 volt, see INTERMITTENT CONDITION (NGC)  under SYSTEM TESTS. Perform POWERTRAIN VERIFICATION TEST VER-2 (NGC)  under VERIFICATION TESTS.
  2. With the DRBIII® in Sensors, read the battery temp sensor voltage value. Disconnect the battery temperature sensor harness connector. If the battery temp sensor voltage changed from below one volt to above 4.5 volts, replace the battery temperature sensor. Perform POWERTRAIN VERIFICATION TEST VER-2 (NGC)  under VERIFICATION TESTS. If the voltage did not change from below one volt to above 4.5 volts, go to next step.
  3. Turn the ignition off. Disconnect the PCM harness connectors. Measure the resistance between ground and the (K118) batt temp signal circuit at the battery temp sensor harness connector. If the resistance is below 100 ohms, repair the short to ground and the (K118) batt temp signal circuit. Perform POWERTRAIN VERIFICATION TEST VER-2 (NGC)  under VERIFICATION TESTS. If the resistance is not below 100 ohms, go to next step.
  4. Measure the resistance between the (K118) batt temp signal circuit and the (K4) sensor ground circuit at the battery temp sensor harness connector. If the resistance is below 5 ohms, repair the short between the (K4) sensor ground and the (K118) batt temp signal circuit. Perform POWERTRAIN VERIFICATION TEST VER-2 (NGC)  under VERIFICATION TESTS. If the resistance is not below 5 ohms, go to next step.
    5. NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or pushed out terminals. Repair as necessary.
  5. Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all power and ground circuits. If there are no possible causes remaining, replace and program the PCM. See PROGRAMMING . Perform POWERTRAIN VERIFICATION TEST VER-5 (NGC)  under VERIFICATION TESTS.
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