Signal Too High. Permanent Fault

Signal too high. Permanent fault

Check canister purge (CP) valve








- Ignition off
- Disconnect the front canister purge (CP) valve connector.
Connect an ohmmeter between the canister purge (CP) valve terminals 1 and 2 (valve side).





Ohm meter should show around 30 ohms at 20 deg. C

OK - Checking the signal cable

Not OK - Defective canister purge (CP) valve

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Checking the signal cable




- Ignition on.
Check the cable between the EVAP-valve's connector #1 (to control module) and Engine control module (ECM) connector #4 for short-circuiting to voltage. Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault
Remedy as necessary.









Choose Continue

Continue - Verification

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Defective canister purge (CP) valve
Try a new valve according to Replacing the canister purge (CP) valve Service and Repair.

Choose Continue

Continue - Verification

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Verification








- Ignition off
- Reconnect the connectors, reinstall components etc.
- Connect VCT 2000
- Ignition on.
Activate the canister purge (CP) valve according to Description of activations Description Of Activations.





You will hear a clicking soung from the EVAP-valve?

Yes - FAULT FOUND

No - No Fault Found Fault-tracing information

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Fault-tracing information

FAULT-TRACING FAILED - No Fault Found

Attempt New Test - Check canister purge (CP) valve

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