Signal Too High. Permanent Fault

Signal too high. Permanent fault

EFI-616 EVAP canister shut-off valve, signal

Identification
First read Identifying cars constructed according to ORVR Application and ID.

Is the car constructed according to ORVR?

Yes - Safety

No - Signal too high. Permanent fault

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Signal too high. Permanent fault

EFI-616 EVAP canister shut-off valve, signal

Checking the signal cable








- Ignition off.
- Remove left fender liner..
- Disconnect connector from EVAP canister shut-off valve.
- Ignition on.
Connect an electrician's screwdriver (3 W bulb at least) between solenoid valve connector terminal 2 and ground.









The electrician's screwdriver should not light.

OK -

Not OK -

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Checking for a short-circuit








- Check signal cable between EVAP canister shut-off valve connector terminal 2 and engine control module (ECM) #B19 for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.

Continue -

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Replacing component
- Try a new EVAP canister shut-off valve.





Continue -

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Verification




Verification

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












- Ignition off.
- EVAP canister shut-off valve and engine control module (ECM) connected.
- Ignition on.




- Select Volvo Scan Tool (ST) to activate EVAP canister shut-off valve.
- The EVAP canister shut-off valve clicks when it is activated.

Is the EVAP canister shut-off valve working?

OK - VERIFIED

Not OK - VERIFICATION FAILED

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VERIFIED - FAULT FOUND

VERIFICATION FAILED -

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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 - Exit fault-tracing

No - Attempt New Test

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Attempt New Test -

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Safety
First read Safety regulations for handling fuel Safety Regulations For Handling Fuel.

Continue - Checking the signal cable

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Checking the signal cable








- Ignition off.
- Disconnect connector from EVAP canister shut-off valve.
- Ignition on.
Connect an electrician's screwdriver (3 W bulb at least) between EVAP canister shut-off valve connector terminal 2 and ground.









The electrician's screwdriver should not light.

OK - Replacing component

Not OK - Checking for a short-circuit

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Replacing component
Try a new EVAP canister shut-off valve according to Replacing the EVAP canister shut-off valve Replacing the EVAP Canister Shut-Off Valve.

Continue - Verification
Signal missing. Permanent fault Signal Missing. Permanent Fault

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Checking for a short-circuit
Check signal cable between EVAP canister shut-off valve connector terminal 2 and engine control module (ECM) #B19 for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.













Continue - Verification
Signal missing. Permanent fault Signal Missing. Permanent Fault

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Verification




Verification

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












- Ignition off.
- EVAP canister shut-off valve and engine control module (ECM) connected.
- Ignition on.
Activate EVAP canister shut-off valve.
The EVAP canister shut-off valve clicks when it is activated.





Is the EVAP canister shut-off valve working?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - FAULT FOUND

VERIFICATION FAILED - Fault-tracing information

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Fault-tracing information
Information
Attempt New Test - Checking the signal cable

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