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:

    Secondary Shaft Disassembly, Inspection, and Reassembly
    1. Inspect the thrust needle bearings a n d the needle bearings for g a l l i n g and rough movement 2. Inspect the splines for excessive wear and damage. 3. Check the shaft bearing surface fo ...

    Symptom Troubleshooting
    SRS indicator does not come on NOTE: 2-door: Before replacing t h e SRS u n i t , check the SRS u n i t software v e r s i o n w i t h t h e HDS. I f t h e software v e r s i o n is not t h e lates ...

    CMP Pulse Plate B Replacement
    1. Remove the cylinder head cover (see page 6-73). 2. Remove camshaft position (CMP) sensor B (see page 11-198). 3. Hold the camshaft with an open-end wrench, then loosen the bolt. 4. Remov ...