Operation CHARM: Car repair manuals for everyone.
Home >> Acura >> 2007 >> MDX V6-3.7L >> Repair and Diagnosis >> Accessories and Optional Equipment >> Antitheft and Alarm Systems >> Alarm Module >> Service and Repair
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
If it fails: lemon-manuals.org.ua

Or, hide this message: temporarily or permanently

Alarm Module: Service and Repair

Immobilizer-keyless Control Unit Replacement

NOTE: All registered keys (with built in remote transmitter) are necessary for replacement of the immobilizer-keyless control unit.

1. Remove the driver's dashboard lower cover.
2. Remove the steering column covers.




3. Disconnect the 7P connector (A) from the immobilizer-keyless control unit (B).
4. Remove the two screws and the immobilizer-keyless control unit from the ignition key cylinder.
5. Install the immobilizer-keyless control unit in the reverse order of removal.
6. After replacement, turn the ignition switch ON (II).
7. Connect the HDS to the data link connector.
8. Select "IMMOBI" from the "System Select" menu.
9. Select "immobilizer Setup" from the "Mode Menu".
10. Select "Replace Imm Unit".
11. Operate according to instructions of a screen of HDS.
12. After HDS operation, check the immobilizer system.
13. Verify the operation of every key and remote transmitter.
pro multis · About Operation CHARM