Acura RSX Honda Integra. Manual — part 186

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DTC P0498:

YES

NO

YES

NO

YES

NO

YES

NO

11-450

EVAP System

DTC Troubleshooting (cont’d)

EVAP CANISTER VENT SHUT VALVE 2P CONNECTOR

ECM/PCM CONNECTOR E (31P)

VSV
(LT GRN/RED)

EVAP Canister Vent Shut Valve

Circuit Low Voltage
(2005-2006 models)

1. Turn the ignition switch ON (II).

2. Clear the DTC with the HDS, then wait 5 seconds.

3. Check for Temporary DTCs or DTCs with the HDS.

Go to step 6.

Go to step 4.

4. Do the EVAP CVS ON in the INSPECTION MENU

with the HDS.

5. Check for Temporary DTCs or DTCs with the HDS.

Go to step 6.

Intermittent failure, system is OK at this time.

Check for poor connections or loose terminals at
the EVAP canister vent shut valve and the ECM/
PCM.

6. Turn the ignition switch OFF.

7. Disconnect the EVAP canister vent shut valve 2P

connector.

8. Measure resistance between EVAP canister vent

shut valve 2P connector terminals No. 1 and No. 2.

Go to step 9.

Go to step 12.

9. Jump the SCS line with the HDS.

10. Disconnect ECM/PCM connector E (31P).

11. Check for continuity between ECM/PCM connector

terminal E19 and body ground.

Repair short in the wire between the EVAP

canister vent shut valve and the ECM/PCM (E19),
then go to step 13.

Go to step 19.

Terminal side of male terminals

Wire side of female terminals

Is DT C P0498 indicated?

Is DT C P0498 indicated?

Is ther e about 25

30

at r oom temper atur e?

Is ther e continuity?

05/06/27 17:43:18 61S6M040_110_0450

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YES

NO

YES

NO

11-451

12. Replace the EVAP canister vent shut valve

(see page 11-474).

13. Reconnect all connectors.

14. Turn the ignition switch ON (II).

15. Reset the ECM/PCM with the HDS.

16. Do the ECM/PCM idle learn procedure (see page

11-349).

17. Do the EVAP CVS ON in the INSPECTION MENU

with the HDS.

18. Check for Temporary DTCs or DTCs with the HDS.

If DTC P0498 is indicated, check for poor

connections or loose terminals at the EVAP canister
vent shut valve and the ECM/PCM, then go to step 1.
If any other Temporary DTCs or DTCs are indicated,
go to the indicated DTC’s troubleshooting.

Troubleshooting is complete.

19. Update the ECM/PCM if it does not have the latest

software, or substitute a known-good ECM/PCM
(see page 11-6).

20. Do the EVAP CVS ON in the INSPECTION MENU

with the HDS.

21. Check for Temporary DTCs or DTCs with the HDS.

If DTC P0498 is indicated, check for poor

connections or loose terminals at the EVAP canister
vent shut valve and the ECM/PCM, then go to step 1.
If any other Temporary DTCs or DTCs are indicated,
go to the indicated DTC’s troubleshooting.

If the ECM/PCM was updated, troubleshooting

is complete. If the ECM/PCM was substituted,
replace the original ECM/PCM (see page 11-284).

Ar e any T empor ar y DT Cs or DT Cs indicated?

Ar e any T empor ar y DT Cs or DT Cs indicated?

05/06/27 17:44:48 61S6M040_110_0451

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DTC P0499:

YES

NO

YES

NO

YES

NO

11-452

EVAP System

DTC Troubleshooting (cont’d)

EVAP CANISTER VENT SHUT VALVE 2P CONNECTOR

IG1 (BLK/ORN)

EVAP CANISTER VENT SHUT VALVE 2P CONNECTOR

EVAP Canister Vent Shut Valve

Circuit High Voltage
(2005-2006 models)

1. Turn the ignition switch ON (II).

2. Clear the DTC with the HDS, then wait 5 seconds.

3. Do the EVAP CVS ON in the INSPECTION MENU

with the HDS.

4. Check for Temporary DTCs or DTCs with the HDS.

Go to step 5.

Intermittent failure, system is OK at this time.

Check for poor connections or loose terminals at
the EVAP canister vent shut valve and the ECM/
PCM.

5. Turn the ignition switch OFF.

6. Disconnect the EVAP canister vent shut valve 2P

connector.

7. Turn the ignition switch ON (II).

8. Measure voltage between EVAP canister vent shut

valve 2P connector terminal No. 2 and body ground.

Go to step 9.

Repair open in the wire between the EVAP

canister vent shut valve and the No. 4 ACG (10 A)
fuse in the under-dash fuse/relay box, then go to
step 16.

9. Turn the ignition switch OFF.

10. Measure resistance between EVAP canister vent

shut valve 2P connector terminals No. 1 and No. 2.

Go to step 11.

Go to step 15.

Wire side of female terminals

Terminal side of male terminals

Is DT C P0499 indicated?

Is ther e batter y voltage?

Is ther e about 25

30

at r oom temper atur e?

05/06/27 17:44:48 61S6M040_110_0452

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YES

NO

YES

NO

YES

NO

11-453

EVAP CANISTER VENT SHUT VALVE 2P CONNECTOR

VSV (LT GRN/RED)

JUMPER WIRE

ECM/PCM CONNECTOR E (31P)

VSV
(LT GRN/RED)

11. Jump the SCS line with the HDS.

12. Disconnect ECM/PCM connector E (31P).

13. Connect EVAP canister vent shut valve 2P

connector terminal No. 1 to body ground with a
jumper wire.

14. Check for continuity between ECM/PCM connector

terminal E19 and body ground.

Go to step 22.

Repair open in the wire between the EVAP

canister vent shut valve and the ECM/PCM (E19),
then go to step 16.

15. Replace the EVAP canister vent shut valve

(see page 11-474).

16. Reconnect all connectors.

17. Turn the ignition switch ON (II).

18. Reset the ECM/PCM with the HDS.

19. Do the ECM/PCM idle learn procedure (see page

11-349).

20. Do the EVAP CVS ON in the INSPECTION MENU

with the HDS.

21. Check for Temporary DTCs or DTCs with the HDS.

If DTC P0499 is indicated, check for poor

connections or loose terminals at the EVAP canister
vent shut valve and the ECM/PCM, then go to step 1.
If any other Temporary DTCs or DTCs are indicated,
go to the indicated DTC’s troubleshooting.

Troubleshooting is complete.

22. Update the ECM/PCM if it does not have the latest

software, or substitute a known-good ECM/PCM
(see page 11-6).

23. Do the EVAP CVS ON in the INSPECTION MENU

with the HDS.

24. Check for Temporary DTCs or DTCs with the HDS.

If DTC P0499 is indicated, check for poor

connections or loose terminals at the EVAP canister
vent shut valve and the ECM/PCM, then go to step 1.
If any other Temporary DTCs or DTCs are indicated,
go to the indicated DTC’s troubleshooting.

If the ECM/PCM was updated, troubleshooting

is complete. If the ECM/PCM was substituted,
replace the original ECM/PCM (see page 11-284).

Wire side of female terminals

Wire side of female terminals

Is ther e continuity?

Ar e any T empor ar y DT Cs or DT Cs indicated?

Ar e any T empor ar y DT Cs or DT Cs indicated?

05/06/27 17:44:48 61S6M040_110_0453