Keyless Entry System Inoperative

KEYLESS ENTRY SYSTEM INOPERATIVE

TEST DESCRIPTION

Steps 1-3:

Steps 4-8:

Steps 9-14:

Steps 15-19:

Steps 20-25:

The number below refers to the step number on the diagnostic table.
15. A DMM must be used in this step. A test lamp may give incorrect results. Testing for B+ supply from the BCM.
16. An illuminated test lamp at step 16 reveals a short to voltage in the serial data circuit.