Honda Accord: B-CAN System Diagnosis Test Mode
B - Multiplex Integrated Control
System - Body Electrical - Honda Accord MK8 2008-2012 Service ManualHonda Accord: B-CAN System Diagnosis Test Mode B

Do this diagnosis if any of the control units are not communicating (Not Available is displayed in the HDS) as found by the B-CAN System Diagnosis Test Mode A (see page 22-134).

1. Using the HDS, select the system that has the symptom from the BODY ELECTRICAL menu.

2. Select DTCs, and then check for loss of communication DTCs.

Are any loss of communication DTCs indicated? YES-Go to step 3.

NO-Faulty driver's MICU; replace the driver's under-dash fuse/relay box, USA models (see page 22-86), Canada models (see page 22-87).

3. Do the power, ground, and communication part of the input test for the unit(s) not communicating with the HDS.

B-CAN System Diagnosis Test Mode


    Troubleshooting B-CAN System Diagnosis Test Mode A
    Check the ECM/PCM for DTCs and troubleshoot . ECM/PCM (see page 11-3) or F-CAN loss of communication errors first, then do this diagnosis if the symptom is related to the B-CAN system. 1. Comp ...

    B-CAN System Diagnosis Test Mode C
    Do this diagnosis if a component that is controlled by the B-CAN system does not stop or turn off. NOTE: • If the component does not turn on, go to B-CAN System Diagnosis Test Mode D {see p ...

    See also:

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    Symptom Troubleshooting Index
    When the vehicle has one of these symptoms, check for VSA diagnostic trouble codes (DTCs) with the HDS. If there are no DTCs, do the diagnostic procedure for the symptom, in the sequence listed, ...