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:
Check the vehicle 12 volt battery condition first.
Check for B-CAN DTCs and resolve them before troubleshooting.
Check the connectors for poor connections or loose terminals.
1. Problem verification.
Test-drive the vehicle at freeway speeds, and monitor if the volume
increases.
Does the
BP/EGR
Backpressure EGR System
BP/EGR-BPS
BP/EGR Backpressure Sensor
BP/EGR-BPT
BP/EGR Backpressure Transducer
BP/EGR-BPV
BP/EGR Backpressure Valve
BP/EGR-BS
BP/EGR Bleed Solenoid
BP/EGR-BVSV
BP/EGR Bimetallic Vacuum Switching Valve
BP/EGR-C
BP/EGR Controller
BP/EGR-CLR
BP/EGR Cooler
BP/EGR-CS
BP/EG