Diagnosis And Testing - Remote Keyless Entry Transmitter

Fig 1: Testing Transmitter Using Special Tool

Courtesy of DAIMLERCHRYSLER CORP.

Using special tool 9001, first test to ensure that the transmitter is functioning. Typical testing distance is 2.5 centimeters (1 inch) for Asian transmitters and 30.5 centimeters (12 inches) for all others. To test, position the transmitter as shown. Press any transmitter button, then test each button individually. The tool will beep if a radio signal strength that lights five or more LED's is detected. Repeat this test three times. If transmitter fails any of the test refer to POWER LOCKS - ELECTRICAL DIAGNOSTICS article.