Honda HR-V: Throttle Body Cleaning
Cleaning
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Do not insert your fingers into the installed throttle body when you turn the
vehicle to the ON mode, or while
the vehicle is in ON mode. If you do, you will seriously injure your fingers if
the throttle valve is activated.
1. Air Cleaner Element - Check
- Make sure the vehicle to the OFF (LOCK) mode.
- Remove the air cleaner element.
- Check for damage to the air cleaner element. If the air cleaner element
is damaged, replace it.
2. Throttle Body - Remove
3. Throttle Body - Clean
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- Clean off the carbon from the throttle valve and inside the throttle
body
with a paper towel soaked in throttle plate cleaner.
- Remove the throttle body to clean it.
- Be careful not to pinch your fingers.
- To avoid removing the molybdenum coating, do not clean the bearing
area of the throttle shaft (A).
- Do not spray throttle plate cleaner directly on the throttle body.
- Use Honda genuine throttle plate cleaner.
4. Throttle Body - Install
5. HDS - Connect
6. PCM - Reset
7. TP POSITION CHECK - Select
- Select the ETCS TEST in the INSPECTION MENU with the HDS
- Select TP POSITION CHECK and clear the throttle position (TP) learned
value
- Turn the vehicle to the OFF (LOCK) mode
- Turn the vehicle to the ON mode, and wait 2 seconds without pressing the
accelerator pedal.
8. PCM - Idle Learn
VTEC ROCKER ARM TEST
Special Tools Required
VTEC Adapter
070AJ-0010100
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Air Pressure
Regulator 07AAJPNAA101
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Test
1. Cylinder Head Cover - Remove
2. VTEC Rocker Arm - Test
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- Rotate the crankshaft pulley clockwise. Make sure that intake secondary
rocker arm A
and intake secondary rocker arm B are separated and that intake secondary
rocker arm A
and intake secondary rocker arm B should move independently:
- If intake secondary rocker arm A and intake secondary rocker arm B
move together,
remove the secondary rocker arms as an assembly, then check that the
pistons in the
secondary rocker arms move smoothly. If any rocker arm needs replacing,
replace all
of them as an assembly, then retest.
- If each rocker arms moves independently, go to next procedure.
3. Air Pressure - Check
- Check that the air pressure on the shop air compressor gauge indicates
over 400 kPa (4.0 kgf/cm
2, 57 psi).
4. Valve Clearance - Inspect
5. VTEC Change Over - Test
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- Install the VTEC adapter to the inspection hole
- Connect the air pressure regulator
- Loosen the valve on the air pressure regulator, and apply the
specified air pressure.
Specified Air Pressure:
290 kPa (3.0 kgf/cm2, 42 psi)
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- With the specified air pressure applied, rotate the crankshaft pulley
clockwise. Intake
secondary rocker arm A should move together with intake secondary rocker arm
B:
- If intake secondary rocker arm A and intake secondary rocker arm B
move
independently, remove the secondary rocker arms as an assembly, then
check that the
pistons in the secondary rocker arms move smoothly. If any rocker arm
needs
replacing, replace all of them as an assembly, then retest.
- If each rocker arms move together, go to step 5.
- Remove the air pressure regulator and the VTEC adapter.
6. All Removed Parts - Install
- Install the parts in the reverse order of removal.
READ NEXT:
ENGINE CONFIGURATION
Fig. 2: Engine Configuration With Drive Belt Routing And Egine Rotation
CHECK
THROTTLE BODY CARBON ACCUMULATION CHECK
Test
1. HDS - Connect
2. Throttle Body - Test
Start the e
AFTER WARMING UP, IDLE SPEED IS ABOVE SPECIFICATIONS WITHOUT LOAD (MIL
WORKS OK, NO DTCS SET) (KA/KC)
Diagnostic procedure
1. APP Sensor Signal Inspection
Also check for
Intake air leaks
AFTER WARMING
SEE MORE:
Your vehicle may not be able to connect to the
operator if the battery level is low, the line is
disconnected, or you do not have adequate cellular
coverage.
You cannot use this emergency services when:
You travel outside the HondaLink service coverage
areas.
There is a problem with the connect
DTC ADVANCED DIAGNOSTICS: SRS RELATED DTCS
NOTE
Always check "How to troubleshoot the SRS system" and proceed along each
"DTC Troubleshooting"
procedure.
Make sure the 12 volt battery is fully charged. If not, the results of
tests may not be accurate.
The SRS indicator will turn on when the