Honda HR-V: Description
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Warm Up Three Way Catalytic Converter (WU-TWC), Under-Floor Three Way
Catalytic Converter
(Under-Floor TWC)
The warm up three way catalytic converter (WU-TWC) and the under-floor three
way catalytic
Overview
The electronic throttle control system (ETCS) opens and closes the throttle
valve by electronic control. This
system consists of a throttle actuator built into the throttle body, throttle
v
FUEL FILL CAP
FUEL TANK VAPOR/LIQUID
SEPARATION VALVE
FUEL TANK
FUEL PRESSURE REGULATOR
FUEL PUMP
FUEL FILTER
AIR FUEL RATIO (A/F) SENSOR
(SENSOR 1)
WARM UP THREEWAY CATALYTIC
CONVERTER (
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NOTE: Before you troubleshoot, review the general troubleshooting
information.
1. Problem verification:
Turn the vehicle to the ON mode.
Clear the DTCs with the HDS.
Turn the vehicle to the OFF (LOCK) mode.
Test-drive the vehicle.
NOTE: Drive the vehicle on the road, not on a lift.
Check fo
DTC (Gauge Control Module)
NOTE:
Before update the gauge control module, make sure the 12 volt battery in
the vehicle is fully charged, and
connect a 12 volt jumper battery (not a battery charger) to maintain system
voltage.
Never turn the vehicle to the ACCESSORY mode or OFF (LOCK) mode, d