honda Workshop Repair Guides

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Alarm/Immobilizer Control Unit: Testing and Inspection

Control Unit Input Test

1. Before testing the keyless entry/security control functions, troubleshoot the multiplex control system with mode 1 and mode 2 tests.

Multiplex Control Unit, Driver's:

2. Remove the driver's multiplex control unit from the driver's under-dash fuse/relay box.

3. Inspect the connector and socket terminals to be sure they are all making good contact.

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If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.

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If the terminals look OK, go to step 4.

Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm/Immobilizer Control Unit <--> [Alarm Module, (Vehicle Antitheft)] > Component Information > Locations > Page 7

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