Keyless Entry System Inoperative

KEYLESS ENTRY SYSTEM INOPERATIVE

TEST DESCRIPTION

Step 1 - 3:

Step 4 - 8:

Step 9 - 14:

Step 15 - 19:

Step 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.