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:
Brake System Inspection and Test
Inspect the brake system components listed. Repair or replace any parts that
are leaking or damaged.
Component Inspections:
Brake System Test
Brake pedal sinks/fades when braking
1. Set the pa ...
A/C Signal Circuit Troubleshooting
NOTE:
• If the blower motor does not run at all speeds, the A/C
compressor will be inoperative. Run the
self-diagnostic function, and check for DTC 12. Before
performing any other troubleshoo ...
System Description
TPMS Control Unit Inputs and Outputs for 20P Connector
Wire side of female terminals
System Structure
Once the vehicle speed exceeds 28 mph (45 km/h), the TPMS control unit
monitors all four ...
