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:

    Secondary Shaft 2nd Gear Axial Clearance Inspection
    1. Install the thrust needle bearing (A), the needle bearing (B), 2nd gear (C), the thrust needle bearing (D), the 37 x 58 mm thrust washer (E), and the 2nd clutch (F) on the secondary shaft (G), t ...

    Countershaft Bearing Replacement
    Special Tools Required -Adjustable Bearing Puller, 2 5 - 4 0 mm 07736-A01000B -Driver Handle, 15 x 135L 07749-0010000 -Attachment, 62 x 68 mm 07746-0010500 1. Remove the countershaft bearing using ...

    Symptom Troubleshooting Index
    Power Door Locks/Kef less 1. Check for B-CAN DTCs. If any B-CAN DTCs are Indicated, refer to the B-CAN System Diagnosis Test Mode A (see page 22-134) and resolve them first. 2. If the door lock ...