Signal Missing. Permanent Fault

Signal missing. Permanent fault

Checking connector








- Ignition off
- Check canister purge (CP) valve connector for contact resistance and oxidation according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
- Reinstall components, reconnect connectors etc.
- Ignition on.
- Activate canister purge (CP) valve.
A "click" should be heard when the canister purge (CP) valve is activated.
If canister purge (CP) valve is now OK this indicates that the fault was caused by poor contact in the connector.

Other information
- To access/replace the canister purge (CP) valve, see Replacing the canister purge (CP) valve Replacing the Canister Purge (CP) Valve.
- For information about signals, see Signal specification Signal Specifications.













Is the canister purge (CP) valve working?

Yes - FAULT FOUND

No - Checking wiring and components

-------------------------------------------------

Checking wiring and components
Check canister purge (CP) valve resistance.
Check signal cable between control module #A9 (#A9) and canister purge (CP) valve terminal 2 and power supply between system relay terminal 3 and canister purge (CP) valve terminal 1 for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Remedy as necessary.

Other information
- Connecting the breakout box/accessing the control module, see Connecting the breakout box, B5234T9, B5244T7 Connecting The Breakout Box.
- To access/replace the canister purge (CP) valve, see Replacing the canister purge (CP) valve Replacing the Canister Purge (CP) Valve.
- For information about signals, see Signal specification Signal Specifications.














Continue - Verification

-------------------------------------------------

Verification




Verification

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








- Ignition off.
- Reconnect connectors, reinstall components
- Ignition on.
- Activate canister purge (CP) valve.
A "click" should be heard when the canister purge (CP) valve is activated.









Is the canister purge (CP) valve working?

Yes - VERIFIED

No - VERIFICATION FAILED

------------------------

VERIFICATION FAILED - Fault-tracing information

VERIFIED - FAULT FOUND

-------------------------------------------------

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 - Exit fault-tracing

No - Attempt New Test

------------------------

Attempt New Test - Checking connector

-------------------------------------------------