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:

    General Troubleshooting Information
    Mow to Check for DTCs with the HDS NOTE: Check the vehicle battery condition first {see page 22-90). 1. Make sure the ignition switch is turned to LOCK (0). 2. Connect the HDS to the data link ...

    Countershaft Disassembly
    NOTE: Refer to the Exploded View in the Countershaft Reassembly, as needed, when removing components pressed onto the countershaft (see page 13-46). 1. Securely clamp the countershaft assembly In ...

    How Your Side Airbags Work
    If you ever have a moderate to severe side impact, sensors will detect rapid acceleration and signal the control unit to instantly inflate either the driver’s or the passenger’s side a ...