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:
Troubleshoot any PGM-FI DTCs first.
Before you troubleshoot, review the how to troubleshoot the VSA system.
1. VSA modulator-control unit performance check:
Start the engine.
Check the parameter(s) below with the HDS. Do not press the brake pedal.
Is there 10 MPa or less?
YES
Go to s
Special Tools Required
Driver Handle, 40 mm I.D. 07746-0030100
Driver, 30 mm I.D. 07946-MB00000
Disassembly
NOTE: Refer to the Exploded View as needed during this procedure.
1. Mainshaft - Disassemble
Support 6th gear (A) on steel blocks, and press the mainshaft out of the
angular ball
beari