Honda Accord: Component Location Index
Eighth generation (2008–2012) / Honda Accord MK8 2008-2012 Service Manual / Fuel and Emissions / Catalytic Converter System / Component Location Index

DTC Troubleshooting
DTC P0420: Catalyst System Efficiency Below
Threshold
NOTE:
- Before you troubleshoot, record all freeze data and
any on-board snapshot, and review the general
troubleshooting information (see pa ...
See also:
B-CAN System Diagnosis Test Mode
D
Do this diagnosis if a component that is controlled by the
B-CAN system does not work or come on.
NOTE:
• If the component does not turn off or stop, go to
B-CAN System Diagnosis Test Mode ...
ATF Cooler Cleaning
Special Tools Required
•ATF Cooler Cleaner GHTTTCF6H
-Magnetic Nonbypass Spin-On Filter GTHGNBP2*
*: Available through the Honda Tool and Equipment
Program 888-424-6857.
Before installing an ...
Checking the Battery
Check the condition of the battery
monthly by looking at the test
indicator window. The label on the
battery explains the test indicator’s
colors.
The location of the test indicator
win ...
