Signal Missing. Permanent Fault

Signal missing. Permanent fault

EFI-1X5 Injector X

Checking power cable








- Ignition off.
- Disconnect injector.
- Ignition on.
Connect a voltmeter between injector connector terminal 1 and ground.









The voltmeter should read battery voltage.

OK - Checking the signal cable

Not OK - Check cable between injector terminal 1 and main relay (2/32) terminal 3 for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault. Then continue with Verification.
Checking for an open-circuit

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Checking for an open-circuit








- Check cable between injector terminal 1 and main relay (2/32) terminal 3 for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.

Continue - Verification

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Checking the signal cable








- Ignition on.
- Injector disconnected.
Connect a voltmeter between injector connector terminal 2 and ground.









The voltmeter should read approximately 6 V.

OK - Checking injector

Not OK - Checking control module connector

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Checking injector








- Ignition off.
- Injector disconnected.
Connect an ohmmeter between injector connector terminals 1 and 2.









The ohmmeter should read approximately 16 ohms at 20°C.

OK - The cause of the diagnostic trouble code (DTC) has been loose connections in the injector and/or engine control module (ECM) connectors. Check the connectors for loose connections and remedy according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults and contact resistance and oxidation according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault. Then continue with Verification.
Checking for contact resistance and oxidation

Not OK - Try a new injector. Then continue with Verification.
Replacing component

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Checking for contact resistance and oxidation
The cause of the diagnostic trouble code (DTC) has been loose connections in the injector and/or engine control module (ECM) connectors.
- Check the connectors for loose connections and remedy according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults and contact resistance and oxidation according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.

Continue - Verification

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Replacing component
- Try a new injector.





Continue - Verification

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Checking control module connector












- Ignition off.
- Injector disconnected.
- Check control module connector for contact resistance and oxidation and remedy according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
- Control module connected.
- Ignition on.








- Connect a voltmeter between injector connector terminal 2 and ground.

The voltmeter should read 6 V.

OK - The cause of the diagnostic trouble code (DTC) has been loose connections in the control module connector. Then continue with Verification.
Fault-tracing information

Not OK - Check cable between injector terminal 2 and engine control module (ECM) #A10 (EFI-115), #A38 (EFI-125), #A24 (EFI-135), #A23 (EFI-145), #A9 (EFI-155) for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault. Then continue with Verification.
Checking for an open-circuit

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Fault-tracing information
The cause of the diagnostic trouble code (DTC) has been loose connections in the control module connector.

Continue - FAULT FOUND

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Checking for an open-circuit








- Check cable between injector terminal 2 and engine control module (ECM) #A10 (EFI-115), #A38 (EFI-125), #A24 (EFI-135), #A23 (EFI-145), #A9 (EFI-155) for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.

Continue - Verification

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Verification




Verification

Fault-tracing information
- 1. Activating injector 1 (EFI-115).
- 2. Activating injector 2 (EFI-125).
- 3. Activating injector 3 (EFI-135).
- 4. Activating injector 4 (EFI-145).
- 5. Activating injector 5 (EFI-155).





Select one of the above alternatives.

1 - Verifying injector 1

2 - Verifying injector 2

3 - Verifying injector 3

4 - Verifying injector 4

5 - Verifying injector 5

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Verifying injector 1

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




- Ignition on.




- Select Volvo Scan Tool (ST) to activate injector.
- The injector should click when it is activated.

Is the injector working?

Yes - VERIFIED

No - VERIFICATION FAILED

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Verifying injector 2

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




- Ignition on.




- Select Volvo Scan Tool (ST) to activate injector.

Is the injector working?

Yes - VERIFIED

No - VERIFICATION FAILED

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Verifying injector 3

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




- Ignition on.




- Select Volvo Scan Tool (ST) to activate injector.

Is the injector working?

Yes - VERIFIED

No - VERIFICATION FAILED

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Verifying injector 4

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




- Ignition on.




- Select Volvo Scan Tool (ST) to activate injector.

Is the injector working?

Yes - VERIFIED

No - VERIFICATION FAILED

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Verifying injector 5

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




- Ignition on.




- Select Volvo Scan Tool (ST) to activate injector.

Is the injector 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

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 - Checking power cable

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