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:

    Driver's Under-dash Fuse/Relay Box (MICU) Removal and Installation
    Special Tools Required Relay Puller 07AAC-000A1A0 USA models NOTE; SRS components are located in this area. Review the SRS component locations 4-door (see page 24-21), 2-door (see page 24-23), an ...

    Trunk Lid Release Actuator Test
    With Keyless Entry 1. Open the trunk lid. 2. Disconnect 3P connector f r om the trunk lid latch switch/trunk release actuator. 3. Check actuator operation by connecting power to terminal No. ...

    Front Air Spoiler Replacement
    NOTE: -Take care not to scratch the front bumper, - Put on gloves to protect your hands. - When prying with a flat-tip screwdriver, wrap it with protective tape to prevent damage. 1. Remove ...