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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HOW TO TROUBLESHOOT THE BODY ELECTRICAL
Tips and Precautions
Special Tools Required
Back Probe Adapter, 17 mm 07TAZ-001020A
Before Troubleshooting
1. Check applicable fuses in the appropriate fuse/relay box.
2. Check the 12 volt battery for damage, state of charge, and clean and tight
connections.
1. Gauge control module check.
Turn the vehicle to the ON mode.
Do the gauge self-diagnostic function.
Does the MIL flash?
YES
Go to step 2.
NO
Substitute a known-good gauge control module, then recheck. If the
symptom/indication goes away with a known-good gauge control module, replace the
or