Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Keyless Entry System Inoperative

KEYLESS ENTRY SYSTEM INOPERATIVE

TEST DESCRIPTION

Steps 1 - 5:




Steps 6 - 11:




Steps 12 - 15:




Steps 16 - 21:




Steps 22 - 25:




The number refers to the step number on the diagnostic table.
16. B+ voltage should be present on the serial data terminal when tested with a DMM, but should not illuminate the test lamp. An illuminated test lamp indicates a short to voltage in the serial data circuit.