Content .. 186 187 188 189 ..

Acura RSX Honda Integra. Manual - part 188

−

０１

０２

＊０２

０３

−

YES

EVAP Bypass Solenoid Valve Test

YES

11-458

EVAP System

DTC Troubleshooting (cont’d)

EVAP CANISTER PURGE
VALVE 2P CONNECTOR

PCS
(YEL/BLU)

EVAP CANISTER PURGE
VALVE 2P CONNECTOR

PCS
(YEL/BLU)

ECM/PCM CONNECTOR E (31P)

2WBS
(BLU/RED)

JUMPER WIRE

8. Check for continuity between EVAP canister purge

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

Go to step 9.

Replace the EVAP canister purge valve

(see page 11-412).

9. Disconnect ECM/PCM connector B (24P).

10. Check for continuity between EVAP canister purge

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

Repair short in the wire between the EVAP

canister purge valve and the ECM/PCM (B21).

Update the ECM/PCM if it does not have the

latest software, or substitute a known-good ECM/
PCM (see page 11-6), then recheck. If the symptom/
indication goes away with a known-good ECM/PCM,
replace the original ECM/PCM (see page 11-284).

11. Disconnect both vacuum hoses from the EVAP two

way valve (A), and connect the vacuum pump/
gauge, 0

30 in.Hg, to the canister port on the

EVAP two way valve.

12. Turn the EVAP bypass solenoid valve on with the

HDS, or connect ECM/PCM connector terminal E20
to body ground with a jumper wire.

13. Turn the ignition switch ON (II).

14. Apply vacuum to the hose.

Go to step 15.

Go to step 20.

Wire side of female terminals

Is ther e continuity?

Does the valve hold vacuum?

05/06/27 17:44:50 61S6M040_110_0458

０１

０２

０５

−

YES

11-459

EVAP BYPASS SOLENOID
VALVE 2P CONNECTOR

2WBS
(BLU/RED)

EVAP BYPASS SOLENOID
VALVE 2P CONNECTOR

IG1
(BLK/ORN)

15. Turn the ignition switch OFF.

16. Disconnect the EVAP bypass solenoid valve 2P

connector.

17. Check for continuity between EVAP bypass

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

Go to step 18.

Repair open in the wire between the EVAP

bypass solenoid valve and the ECM/PCM (E20).

18. Turn the ignition switch ON (II).

19. Measure voltage between EVAP bypass solenoid

valve 2P connector terminal No. 1 and body ground.

Replace the EVAP two way/bypass solenoid

valve (A).

Repair open in the wire between the EVAP

bypass solenoid valve and the No. 4 ACG (10 A)
fuse.

(cont’d)

Wire side of female terminals

Is ther e continuity?

Is ther e batter y voltage?

05/06/27 17:44:50 61S6M040_110_0459

−

＊０３

０７

＊０４

０８

−

YES

EVAP Canister Vent Shut Valve Test

YES

11-460

EVAP System

DTC Troubleshooting (cont’d)

ECM/PCM CONNECTOR E (31P)

SG3 (PNK)

FTP (LT GRN)

EVAP CANISTER VENT SHUT
VALVE 2P CONNECTOR

VSV
(LT GRN/RED)

20. Plug the fuel tank port (A) of the EVAP two way

valve.

21. While monitoring the FTP sensor voltage with the

HDS, or measuring the voltage between ECM/PCM
connector terminals E4 and E14, slowly pump the
vacuum pump until the voltage drops to about
1.5 V. Stop applying vacuum at about 1.5 V or
damage to the system could occur.

The EVAP bypass solenoid valve/EVAP two

way valve is OK. Go to step 22.

Repair the leak from EVAP bypass solenoid

valve, EVAP two way valve, and FTP sensor.

22. Disconnect the vacuum hose from the EVAP

canister vent filter line (A), and connect a vacuum
pump/gauge, 0

30 in.Hg, to the hose.

23. Turn the ignition switch ON (II).

24. Apply vacuum to the hose with 5 strokes of the

pump.

Go to step 25.

EVAP canister vent shut valve is OK. Go to

step 30.

25. Turn the ignition switch OFF.

26. Disconnect the EVAP canister vent shut valve 2P

connector.

27. Check for continuity between EVAP canister vent

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

Wire side of female terminals

Does the voltage dr op to 1.5 V and hold f or at
least 20 seconds?

Does the valve hold vacuum?

05/06/27 17:44:50 61S6M040_110_0460

０８

０９

０８

−

YES

Vacuum Hoses and Connections Test

YES

11-461

EVAP CANISTER VENT SHUT
VALVE 2P CONNECTOR

VSV
(LT GRN/RED)

Go to step 28.

Replace the EVAP canister vent shut valve (A)

and O-ring (B).

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

29. Check for continuity between EVAP canister vent

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

Repair short in the wire between the EVAP

canister vent shut valve and the ECM/PCM (E21).

Update the ECM/PCM if it does not have the

latest software, or substitute a known-good ECM/
PCM (see page 11-6), then recheck. If the symptom/
indication goes away with a known-good ECM/PCM,
replace the original ECM/PCM (see page 11-284).

30. Perform the fuel tank vapor control valve test

(see page 11-469).

Go to step 31.

Replace the fuel tank vapor control valve

(see page 11-471).

31. Tighten the fuel cap 3 ‘‘clicks,’’ then monitor the

FTP readings with the HDS.

32. Start the engine, and let it idle for 5 minutes.

33. Check the FTP sensor readings.

Update the ECM/PCM if it does not have the

latest software, or substitute a known-good ECM/
PCM (see page 11-6), then recheck. If the symptom/
indication goes away with a known-good ECM/PCM,
replace the original ECM/PCM (see page 11-284).

Check these parts for leaks:

• Fuel tank (A)
• Fuel fill cap (B)
• Fuel fill pipe (C)
• Fuel tank vapor control valve (D)
• Fuel tank vapor recirculation valve (E)
• Fuel tank vapor recirculation tube (F)
• Fuel tank vapor signal tube (G)
• Fuel tank vapor control vent tube (H)
• EVAP two way valve (I)
• FTP sensor (J)

– Repair or replace any leaking parts.

Wire side of female terminals

Is ther e continuity?

Is the f uel tank vapor contr ol valve OK ?

Is the r eading above 0.5 kPa ( 0.16 in.Hg, 4 mmHg)
pr essur e, or about 3 V ?

05/06/27 17:44:51 61S6M040_110_0461

Content .. 186 187 188 189 ..