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:
Pressing and holding the TPMS switch for more than 60 seconds will cause
this DTC to set.
Before you troubleshoot, review the general troubleshooting information.
1. Problem verification:
Turn the vehicle to the ON mode.
Clear the DTC with the HDS.
Turn the vehicle to the OFF (LOCK)
Removal
1. Fuel Pressure - Relieve
2. Fuel Injector and Rail Assembly - Remove
Disconnect the injector connectors (A).
Remove the harness clamp (B).
Disconnect the quick-connect fitting (C).
Remove the injectors and the fuel rail (D) together.
3. Fuel Injector - Remove
Remove the injector