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

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

Normal Operation
Remote locking/unlocking of the doors and activation/deactivation of the panic alarm is accomplished by the vehicle security module (VSM) receiving a command message from the remote keyless entry (RKE) transmitter. The VSM processes the command and provides the appropriate output. The RKE transmitter has a maximum operating range of 10 m (33 ft).

This pinpoint test is intended to diagnose the following:
- Aftermarket systems
- High power devices
- RKE transmitter
- RKE transmitter battery
- TV/radio transmission towers
- VSM


I1-I5: