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3. (Z924) GROUND CIRCUIT(S) OPEN OR HIGH RESISTANCE Using a 12–volt test light connect to 12 volts, check each of the (Z924) NOTE: The test light should be illuminated and bright. Compare Is the test light illuminated and bright? Yes >> Go to 4 No >> Repair the (Z924) Ground circuit(s) for an open circuit or high resistance. Perform SKREEM VERIFICATION TEST. (Refer to 8 - 4. (D508) COM - LIN TIRE PRESSURE MONITOR LAN CIRCUIT SHORT TO VOLTAGE Turn the ignition off. Disconnect the Tire Pressure Transponder harness connector. Disconnect the Sentry Key Remote Entry Module harness connector. Turn the ignition on. Measure the voltage of the (D508) COM - LIN Tire Pressure Monitor Is there any voltage present? Yes >> Repair the (D508) COM - LIN Tire Pressure Monitor LAN circuit for a short to voltage. No >> Go to 5 Perform SKREEM VERIFICATION TEST. (Refer to 8 - 5. (D508) COM - LIN TIRE PRESSURE MONITOR LAN CIRCUIT SHORT TO GROUND Turn the ignition off. Measure the resistance between ground and the (D508) COM - LIN Tire Is the resistance below 5.0 ohms? Yes >> Repair the (D508) COM - LIN Tire Pressure Monitor LAN circuit for a short to ground. Perform SKREEM VERIFICATION TEST. (Refer to 8 - No >> Go to 6 22 - 26 TIRES/WHEELS - ELECTRICAL DIAGNOSIS KJ |