Honda 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.

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:
Automatic Transmission
Check the fluid level with the engine
at normal operating temperature.
1. Park the vehicle on level ground.
Start the engine, let it run until the
radiator fan comes on, then shut
off the en ...
General Troubleshooting Information
How to Check for DTCs with the HDS
There are three methods used to check for DTCs. The recommended method is to
use the Honda Diagnostic System
(HDS) with the appropriate software, plugged into th ...
Driver's Airbag Replacement
NOTE: If replacing the driver's airbag after deployment,
refer to Component Replacement/Inspection After
Deployment (see page 24-208) for a complete list of.
other parts that must also be replace ...