Honda Accord: 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:
Tire Pressure Monitoring System (TPMS) -Required Federal Explanation
Each tire, including the spare (if provided), should be checked monthly when
cold and inflated to the inflation pressure recommended by the vehicle
manufacturer on the vehicle placard or tire infl ...
Secondary H02S Replacement
Special Tools Required
02 Sensor Wrench Snap-on S6176 or equivalent,
commercially available
1. Disconnect the secondary H02S 4P connector (A),
then remove the secondary H02S (B).
2. Install the ...
Trunk Lid Latch Switch Test
1. Open the trunk lid.
2. Disconnect the 3P connector (A) from the trunk lid
latch assembly (B).
3. Check for continuity between terminals No. 1 and No.
2.
• There should be continui ...
