Diagnosis And Testing - Universal Transmitter
WARNING: This page is about a different car, the 2003 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
If the Universal Transmitter is inoperative, but the Compass Mini-Trip Computer (CMTC) is operating normally, see the owner's manual for instructions on training the universal transmitter. Retrain the universal transmitter with a known good transmitter as instructed in the owner's manual and test the universal transmitter operation again. If the unit is still inoperative, test the universal transmitter with Radio Frequency Detector special tool (Fig 1 ) as described below:
- Turn the Radio Frequency (RF) Detector ON. A "chirp" will sound and the green power LED will light. If the green LED does not light, replace the battery.
- Hold the RF detector within one inch of the TRAINED universal transmitter and press any of the transmitters buttons.
- The red signal detection LEDs will light and the tool will beep if a radio signal is detected. Repeat this test three times.
If both the universal transmitter and the CMTC module are inoperative, refer to DIAGNOSIS AND TESTING - COMPASS MINI-TRIP COMPUTER for further diagnosis. For complete circuit diagrams, refer to SYSTEM WIRING DIAGRAMS .