Honda Accord: Immobilizer-Keyless Control Unit Input
Test - Immobilizer System - Body Electrical - Honda Accord MK8 2008-2012 Service ManualHonda Accord: Immobilizer-Keyless Control Unit Input Test

NOTE: Before testing, troubleshoot the multiplex integrated control unit first, using B-CAN System Diagnosis Test Mode A (see page 22-134).

1. Remove the driver's dashboard lower cover (see page 20-166).

2. Remove the steering column covers (see page 20-181).

3. Disconnect the 7P connector (A) from the immobilizer-keyless control unit (B).

4. Inspect the connector and socket terminals to be sure they are all making


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

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

• If the terminals look OK, go to step 5.

5. With the connector still disconnected, do these Input tests at the following connector.

• If any test indicates a problem, find and correct the cause, then recheck the system.

• If all the input tests prove OK, go to step 6.

6. Reconnect the connector to the immobilizer-keyless control unit, and do


6. Reconnect the connector to the immobilizer-keyless control unit, and do these input tests at the following connector.

• If any test indicates a problem, find and correct the cause, then recheck the system.

• If all the input tests prove OK, replace the immobilizer-keyless control unit (see page 22-440).

NOTE: If you replace the immobilizer-keyless control unit, do the immobilizer registration (see page 22-439).

Immobilizer Key Registration


    Status Log
    If you suspect there is a immobilizer system problem, check the status log. 1. Connect the HDS to the data link connector. 2. Turn the ignition switch to ON (II). 3. On the HDS screen, at MAI ...

    Immobilizer Key Registration
    NOTE: • The HDS is required for registration of the immobilizer keys. • Programming the immobilizer also programs the keyless transmitter. • Check for aftermarket electrical eq ...

    See also:

    Vehicle Identification Number
    Manufacturer, Make, and Type of Vehicle 1HG: Honda of America Mfg., Inc. Honda passenger vehicle Line, Body, and Engine Type CS1: Accord Coupe/K24Z3 Body Type and Transmission Type 1: 2-door ...

    Mainshaft Disassembly, Inspection, and Reassembly
    1. Inspect the thrust needle bearings and the needle bearings for galling and rough movement 2. Inspect the splines for excessive wear and damage. 3. Check the shaft bearing surface for scorin ...

    ENGINE START/STOP Button
    • Changing the Power Mode ENGINE START/STOP Button Operating Range You can start the engine when the smart entry remote is inside the vehicle. The engine may also run if the smart entry r ...