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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Test K: The Remote Keyless Entry (RKE) Transmitter Has Poor Range Performance

PINPOINT TEST K: THE REMOTE KEYLESS ENTRY (RKE) TRANSMITTER HAS POOR RANGE PERFORMANCE


K1-K4:






Normal Operation
The RKE integrated keyhead transmitter (IKT) sends a radio signal to the smart junction box (SJB) based on the user selected IKT button. The SJB then carries out the selected action.

This pinpoint test is intended to diagnose the following:
- IKT
- Aftermarket systems
- High power devices
- TV/radio transmission
- SJB