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:

    MAF Sensor/IAT Sensor Replacement
    1. Disconnect the MAF sensor/IAT sensor connector (A). 2. Remove the screws (B). 3. Remove the MAF sensor/IAT sensor (C). 4. Install the parts in the reverse order of removal with a new O-ri ...

    Engine Oil Gallery Cap Replacement
    1. Remove the harness bracket (A), then remove the engine oil gallery cap (B). 2. Clean the O-ring groove and mating surface with the engine oil gallery cap. 3. Apply new engine oil to new O-r ...

    Bulb Replacement
    Headlight (High'Beam) 1. Disconnect the 2P connector (A) from the headlight Headlight (High Beam): 60 W 2. Turn the bulb socket 45 В° counterclockwise to remove the bulb. 3. Install a new b ...