Fit L4-1.5L (2008)
Engine Control Module: All Technical Service Bulletins
Engine Controls - MIL ON/DTC P0420 Set
10-015
March 23, 2010
Applies To:
2007-08 Fit - ALL
2007-08 Fit: MIL Comes On With DTC P0420
SYMPTOM
The MIL is on, and DIG P0420 (catalyst system efficiency below threshold) is stored.
PROBABLE CAUSE
The ECM/PCM misinterprets engine idle conditions, resulting in inaccurate control of the fuel and ignition.
CORRECTIVE ACTION
Replace the catalytic converter, and update the PGM-FI software with the HDS.
PARTS INFORMATION
Catalytic Converter:
A/T models - P/N 18160-RME-A50
M/T models - P/N 18160-RME-A00
Pre-Chamber Gasket:
P/N 18393-SH3-S00
Flexible Gasket:
P/N 18229-SAA-J01
Flexible Joint Bolt (two required):
P/N 18231-SR3-A22
Self-Locking Nut (three required):
P/N 90212-SA5-003
TOOL INFORMATION
02 Sensor Wrench: Snap-on YA8875 or equivalent
SOFTWARE INFORMATION
HDS Software Version:
2.021.016 (March 2010) or later.
Control Module (CM) Update:
Database Update 12-FEB-2010 or later.
