Flow of Diagnosis

Diagnosis Tools:

Before proceeding with diagnosis and service of the remote keyless entry electrical operation, check for mechanical binds in the door locks. Operate all door locks several times and check lock operation. Also be sure the battery is fully charged.

The following diagnosis procedures begin with an explanation page on how to use the procedures. Read this carefully before beginning Diagnosis. Refer to the following diagrams and charts for additional information when performing the diagnostic tests.

NOTE: Voltage and resistance readings can be obtained using Rotunda Digital Volt-Ohmmeter 014-00407 or Rotunda Dwell-Tach-Volt-Ohms Tester 059-00010 or equivalent.

To test and service remote keyless entry system:

^ Perform the Quick Test.
^ Perform the Pinpoint Tests as specified by the Quick Test (only perform them when a step of the Quick Test has failed.)
^ Service only as specified in the tests.
^ Repeat the quick test to make sure the system is operational.