Honda Accord: DTC Troubleshooting Index - Multiplex Integrated Control
System - Body Electrical - Honda Accord MK8 2008-2012 Service ManualHonda Accord: DTC Troubleshooting Index

NOTE: Record all DTCs, and sort them by DTC type using the DTC troubleshooting index, then troubleshoot the DTC(s) in this order:

• Battery voltage DTCs

• Internal error DTCs

• Loss of communication DTCs

• Signal error DTCs

Driver's MICU

Passenger's MICU


Passenger's MICU

Immobilizer-Keyless Control Unit


Immobilizer-Keyless Control Unit

Door Multiplex Control Unit


Door Multiplex Control Unit

Gauge Control Module


Gauge Control Module

HandsFreeLink Control Unit


HandsFreeLink Control Unit

Climate Control Unit


Climate Control Unit

*: '10 model


*: '10 model

    General Troubleshooting Information
    Troubleshooting CAN Circuit Related Problems NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-Can System Diagnosis Test Mode A (see page 22-134).. Using the ...

    System Description
    Body Controller Area Network (B-CAN) and Fast Controller Area Network (F-CAN) The body controller area network (B-CAN) and the fast controller area network (F-CAN) share information between mult ...

    See also:

    Ceiling Light
    The ceiling light has a three-position switch: ON, Door Activated, and OFF. In the Door Activated (center) position, the light comes on when you: Open either door. Unlock the driver’s do ...

    Front Passenger's Power Window Motor Test
    With AUTO UP/AUTO DOWN function Motor Test 1. Remove the front passenger's power window switch: • 4-door (see page 22-306) • 2-door (see page 22-307) 2. Test the motor in each direction ...

    Taillight Replacement
    4-door 1 Remove the rear bumper (see page 20-260). 2. Remove the trunk side trim panel (see page 20-132). 3. Disconnect the connectors (A) from the taillights (B). 4 . Turn the bulb sockets ...