Acura RSX Honda Integra. Manual — part 190
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*04
*05
11
*06
−
−
Canister System Leak Test
YES
NO
11-466
EVAP System
DTC Troubleshooting (cont’d)
A
A
B
ECM/PCM CONNECTOR E (31P)
SG3 (PNK)
FTP (LT GRN)
A
B
27. Turn the ignition switch OFF.
28. Connect 2 three-way T-fittings (A) into the hose
from the EVAP canister to the EVAP two way valve.
Connect the FTP sensor to one of the T-fittings and
the vacuum pump/gauge, 0
30 in.Hg, to the other.
29. Remove the vent hose from the EVAP canister vent
shut valve (A), and cap the port (B) to seal the fresh
air vent for the EVAP canister.
30. Turn the ignition switch ON (II).
31. While monitoring FTP sensor voltage with the HDS,
or measuring voltage between ECM/PCM
connector terminals E4 and E14, slowly pump the
vacuum pump.
32. Continue to pump until the voltage drops to about
1.5 V. Make sure your vacuum pump has no leak.
33. Monitor the voltage for 20 seconds.
Inspect the EVAP canister vent shut valve
line and connections.
Go to step 34.
34. Turn the ignition switch OFF.
35. Disconnect the quick-connect fitting (A) from the
EVAP canister, and plug the canister port (B).
36. Turn the ignition switch ON (II).
Wire side of female terminals
Does the voltage dr op to 1.5 V and hold f or at
least 20 seconds?
05/06/27 17:44:53 61S6M040_110_0466
13
*07
15
16
−
−
−
−
YES
NO
YES
NO
11-467
ECM/PCM CONNECTOR E (31P)
SG3 (PNK)
FTP (LT GRN)
A
B
ECM/PCM CONNECTOR E (31P)
SG3 (PNK)
FTP (LT GRN)
A
37. While monitoring FTP sensor voltage with the HDS,
or measuring voltage between ECM/PCM
connector terminals E4 and E14, slowly pump the
vacuum pump.
38. Continue to pump until the voltage drops to about
1.5 V. Make sure your vacuum pump has no leak.
39. Monitor the voltage for 20 seconds.
Inspect the fuel tank vapor control line and
connections. Also test the fuel tank vapor control
valve (see page 11-469).
Go to step 40.
40. Turn the ignition switch OFF.
41. Disconnect the purge line hose (A) from the
canister at the metal line, and plug the hose (B).
42. Turn the ignition switch ON (II).
43. While monitoring FTP sensor voltage with the HDS,
or measuring voltage between ECM/PCM
connector terminals E4 and E14, slowly pump the
vacuum pump.
44. Continue to pump until the voltage drops to about
1.5 V. Make sure your vacuum pump has no leak.
45. Monitor the voltage for 20 seconds.
Inspect the EVAP canister purge valve line
and connections. If they are OK, do the EVAP two
way valve test (see page 11-468) and the fuel tank
vapor control valve test (see page 11-469).
Replace the EVAP canister (A).
Wire side of female terminals
Wire side of female terminals
Does the voltage dr op to 1.5 V and hold f or at
least 20 seconds?
Does the voltage dr op to 1.5 V and hold f or at
least 20 seconds?
05/06/27 17:44:54 61S6M040_110_0467
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−
−
−
−
−
*01
*02
S6M6AZFA20323425231FEAT00
Special Tools Required
2002-2004 models
11-468
EVAP System
EVAP Two Way Valve Test
07JAZ-001000B
B
A
A
07JAZ-001000B
• Vacuum/pressure gauge, 0
4 in.Hg, 07JAZ-001000B
• Vacuum pump/gauge, 0
30 in.Hg, Snap-on YA4000A
or equivalent, commercially available
1. Remove the fuel fill cap.
2. Disconnect the vapor line from the EVAP two way
valve (A). Connect the line to a T-fitting (B) from the
vacuum gauge and the vacuum pump/gauge,
0
30 in.Hg, as shown.
3. Apply vacuum slowly and continuously while
watching the gauge. The vacuum should stabilize
momentarily at 0.8
2.1 kPa (0.2
0.6 in.Hg,
6
16 mmHg).
If the vacuum stabilizes (valve opens) below 0.8 kPa
(0.2 in.Hg, 6 mmHg) or above 2.1 kPa (0.6 in.Hg,
16 mmHg), install a new valve and retest.
4. Move the vacuum pump hose from the vacuum
fitting to the pressure fitting, and move the vacuum
gauge hose from the vacuum side to the pressure
side (A) as shown.
5. Slowly pressurize the vapor line while watching the
gauge. The pressure should stabilize momentarily
above 1.0 kPa (0.3 in.Hg, 8 mmHg).
• If the pressure momentarily stabilizes (valve
opens) above 1.0 kPa (0.3 in.Hg, 8 mmHg), the
valve is OK.
• If the pressure stabilizes below 1.0 kPa (0.3 in.Hg,
8 mmHg), install a new valve and retest.
05/06/27 17:44:54 61S6M040_110_0468
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−
−
*01
02
*02
S6M6AZFA20323428531FEAT00
Special Tools Required
2002-2004 models
Float Test
Valve Test
11-469
Fuel Tank Vapor Control Valve Test
B
A
A
A
D
E
B
A
C
Vacuum pump/gauge, 0
30 in.Hg, Snap-on YA4000A
or equivalent, commercially available
1. Make sure the fuel tank is less than half full.
2. Remove the fuel fill cap to relieve fuel tank
pressure, then reinstall the cap.
3. Disconnect the fuel tank vapor recirculation tube
(A), and connect the vacuum pump/gauge,
0
30 in.Hg, to the tube.
4. Plug the line (B).
5. Apply vacuum to the fuel tank vapor recirculation
tube.
• If the vacuum holds, replace the fuel tank vapor
control valve (see page 11-471).
• If the vacuum does not hold, the float is OK. Do
the valve test.
1. Make sure the fuel tank is less than half full.
2. Remove the fuel fill cap.
3. Disconnect the fuel tank vapor signal tube (A).
4. Disconnect the vacuum hoses (A) from the EVAP
canister (B), then plug the ports with plugs (C).
5. Disconnect the vacuum hose (D) from the EVAP
canister vent shut valve (E), and connect the
vacuum pump/gauge, 0
30 in.Hg, to the vacuum
hose.
6. Pump the vacuum pump 80 times.
• If the vacuum holds, go to step 7.
• If the vacuum does not hold, go to step 10.
(cont’d)
05/06/27 17:44:55 61S6M040_110_0469
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