Acura RSX Honda Integra. Manual — part 178
S6M6AALK72100092279FAAT00
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DTC P2279:
YES
NO
YES
NO
YES
NO
YES
NO
11-418
PCV System
DTC Troubleshooting (cont’d)
Intake Air System Leak Detected
(2005-2006 models)
NOTE: If DTC P0443 is stored at the same time as DTC
P2279, troubleshoot DTC P0443 first, then recheck for
DTC P2279.
1. Check for vacuum leaks at these parts:
• PCV valve
• PCV hose
• EVAP canister purge valve
• Throttle body
• Intake manifold
• Brake booster hose
• Intake air bypass control thermal valve
Go to step 2.
Repair or replace the leaking part(s), then go
to step 4.
2. Start the engine. Hold the engine speed at
3,000 rpm without load (in Park or neutral) until the
radiator fan comes on, then let it idle for 1 minute.
3. Monitor the OBD STATUS for DTC P2279 in the
DTCs MENU with the HDS.
Check the camshaft timing (see page 6-17),
then go to step 4.
If the screen indicates PASSED, intermittent
failure, system is OK at this time. If the screen
indicates NOT COMPLETED, go to step 2 and
recheck.
4. Reset the ECM/PCM with the HDS.
5. Do the ECM/PCM idle learn procedure (see page
11-349).
6. Check for Temporary DTCs or DTCs with the HDS.
If DTC P2279 is indicated, check for vacuum
leaks at the PCV valve, the PCV hose, the purge
(PCS) line, the throttle body, or the brake booster
hose, then go to step 4. If any other Temporary
DTCs or DTCs are indicated, go to the indicated
DTC’s troubleshooting.
Go to step 7.
7. Monitor the OBD STATUS for DTC P2279 in the
DTCs MENU with the HDS.
Troubleshooting is complete.
If the screen indicates FAILED, go to step 1
and recheck. If the screen indicates NOT
COMPLETED, go to step 6 and recheck.
Ar e the par ts OK ?
Does the scr een indicate F AILED?
Ar e any T empor ar y DT Cs or DT Cs indicated?
Does the scr een indicate PASSED?
05/06/27 17:42:38 61S6M040_110_0418
01
02
03
S6M6A00A20360345801MAAT00
01
S6M6A00A20360345801KBAT00
K20A2/K20Z1 engines
K20A3 engine
11-419
11-419
PCV Valve Inspection
PCV Valve Replacement
B
B
A
B
A
A
B
A
44 N·m
(4.5 kgf·m, 33 lbf·ft)
1. Check the PCV valve (A), hoses (B) and connections
for leaks or restrictions.
2. At idle, make sure there is a clicking sound from the
PCV valve when the hose between the PCV valve
and intake manifold is lightly pinched (A) with your
fingers or pliers.
If there is no clicking sound, check the PCV valve
grommet for cracks or damage. If the grommet is
OK, replace the PCV valve and recheck.
1. Unscrew the PCV valve (A) and, remove it.
2. Install the valve in the reverse order of removal
with a new washer (B).
05/06/27 17:42:38 61S6M040_110_0419
*01
S6M6A00A20323400000DAAT00
11-420
EVAP System
Component Location Index
EVAPORATIVE EMISSION (EVAP)
CANISTER PURGE VALVE
*: This illustration shows the 2002-2004 K20A3 engine model; the other models are similar.
05/06/27 17:42:39 61S6M040_110_0420
*02
*03
2002-2004 models
2005-2006 models
11-421
FUEL TANK VAPOR CONTROL VALVE
FUEL TANK PRESSURE (FTP) SENSOR
EVAPORATIVE EMISSION (EVAP)
TWO WAY VALVE
EVAPORATIVE EMISSION (EVAP)
BYPASS SOLENOID VALVE
EVAPORATIVE EMISSION (EVAP)
CANISTER VENT SHUT VALVE
EVAPORATIVE EMISSION (EVAP)
CANISTER
EVAPORATIVE EMISSION (EVAP)
CANISTER VENT SHUT VALVE
EVAPORATIVE EMISSION (EVAP) CANISTER
FUEL TANK PRESSURE
(FTP) SENSOR
Test, page 11-469
Replacement, page 11-471
Replacement, page 11-473
Test, page 11-468
Replacement, page 11-474
Replacement, page 11-472
*: This illustration shows the K20A3 engine; the K20A2 engine is similar.
Replacement, page 11-474
Replacement, page 11-472
*: This illustration shows the K20A3 engine; the K20Z1 engine is similar.
Replacement, page 11-473
05/06/27 17:43:11 61S6M040_110_0421
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