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)

Or, hide this message: temporarily or permanently

Keyless Entry Module: Testing and Inspection









DOOR LOCK: DOOR CONTROL RECEIVER: ON-VEHICLE INSPECTION





1. CHECK DOOR CONTROL RECEIVER
(a) Disconnect the U36 receiver connector.
(b) Measure the voltage of the wire harness side connector.
Standard voltage:





- If the result is not as specified, there may be a malfunction on the wire harness side.

(c) Reconnect the U36 connector.
(d) Measure the voltage of the connector.
Standard voltage:





- If the result is not as specified, the receiver may have a malfunction.