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:

    Wheel Bearing End Play Inspection
    1. Raise and support the vehicle (see page 1-13). 2. Remove the wheels. 3 . Install suitable flat washers (A) and the wheel nuts. Tighten the nuts to the specified torque to hold the brake d ...

    Shift Fork Clearance Inspection
    1. Measure the clearance between each shift fork (A) and its matching synchro sleeve (B). If the clearance exceeds the service limit, go to step 2. Standard: 0.35-0.65 mm (0.014-0.026 inj Service ...

    Audio-HVAC Display Unit Removal/Installation
    Without Navigation NOTE; • Put on gloves to protect your hands. • Take care not to scratch the dashboard. 1. Remove the audio unit (see page 23-114) and the center display visor (se ...