Signal Missing - Permanent Fault

Signal missing. Permanent fault

Checking the connector








- Ignition off.
- Check the canister valve's connector for contact resistance and oxidation according to: Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault
- Restore components and connectors.
- Ignition on.
- Activate the canister valve.
A "click" sound must be heard when the canister valve is activated.
If the canister valve now is OK, this indicates that the problem has been caused by poor contact in the connector.

Other information
- To access/replace the canister valve, see: Replacing the shut-off valve for the carbon filter container Service and Repair
- For information about signals 5-cylinder engine, see: Signal specification Signal Specification, ECM
- For information about signals 6-cylinder engine, see: Signal specification Signal Specification, ECM













Does the canister valve work?

Yes - Fault Found

No - Checking the components and wiring

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Checking the components and wiring
Check the canister valve's resistance.
Check the signal cable between control module #B40 (#B50) and canister valve, connection 2, and voltage supply between system relay, connection 3, and canister valve, connection 1, for open circuit: Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault
Remedy as necessary.

Other information
- Connecting the breakout box, B5244T5, B5254T2 Connecting the Breakout Box
- To access/replace the canister valve, see: Replacing the shut-off valve for the carbon filter container Service and Repair
- Component specifications Specifications
- For information about signals 5-cylinder engine, see: Signal specification Signal Specification, ECM
- For information about signals 6-cylinder engine, see: Signal specification Signal Specification, ECM










Continue - Verification

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Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off.
- Reconnect connectors, reinstall components.
- Ignition on.
- Activate EVAP canister shut-off valve.
A "click" should be heard when the EVAP canister shut-off valve is activated.









Is the EVAP canister shut-off valve working?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFICATION FAILED - Fault-tracing information

VERIFIED - Fault Found

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - FAULT-TRACING FAILED

No - Attempt New Test

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FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Checking the connector

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