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:
Power Transistor Test
1. Remove the passenger's dashboard undercover (see
page 20-170).
2. Disconnect the 4P connector from the power
transistor.
3. Measure the resistance between terminals No. 3 and
No. 4 of the ...
Starter Performance Test
1. Remove the starter (see page 4-11).
2. Firmly clamp the starter in a vise.
3. Make a connection for this test using the thickest
(gauge) wire possible (preferably the same gauge as
used on ...
How to Use This Manual
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each section is marked with a black tab that lines up with its
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You c ...