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:
Stall Speed Test
1. Wake sure the transmission fluid is filled to the proper
level (see page 14-191).
2. Apply the parking brake, and block all four wheels.
3. Connect the HDS to the DLC (A) located under the
...
Visual Index
...
Maintenance Minder
The information display in the
instrument panel shows you the
engine oil life and maintenance
service items when the ignition
switch is in the ON (II) position. This
information helps to kee ...
