Signal Too High. Permanent Fault

Signal too high. Permanent fault

Checking injectors








- Ignition off
- Disconnect the injector connector.
Connect an ohmmeter between injector connector terminals 1 and 2.





The ohmmeter should read approximately 15ohms.

OK - Checking the signal cable

Not OK - Defective injector

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Defective injector
Try a new injector according to Replacing the injector(s) Removal and Replacement.

Select Continue.

Continue - Verification
Selecting diagnostic trouble code (DTC)

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Checking the signal cable




- Ignition off.
Check the cable between injector connector terminal 2 and engine control module (ECM) connector terminal 59 (ECM-1E), terminal 90 (ECM-1F), terminal 60 (ECM-20) or terminal 89 (ECM-21) for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault.
Remedy as necessary.













Select Continue.

Continue - Verification
Selecting diagnostic trouble code (DTC)

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Selecting diagnostic trouble code (DTC)
Which diagnostic trouble code (DTC) has the engine control module (ECM) stored?
1. ECM-1E
2. ECM-1F
3. ECM-20
4. ECM-21.

Select one of the above options to continue.

1 - Verification

2 - Verification

3 - Verification

4 - Verification

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Verification








- Reconnect the connectors, reinstall components etc.
- Ignition on.
Select the VCT 2000-symbol to activate the injector.





Does the injector click?

Yes - FAULT FOUND

No - No Fault FoundFault-tracing information

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Verification








- Reconnect the connectors, reinstall components etc.
- Ignition on.
Activate the injector by clicking on the VCT 2000 symbol.





Does the injector click?

Yes - FAULT FOUND

No - No Fault FoundFault-tracing information

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Verification








- Reconnect the connectors, reinstall components etc.
- Ignition on.
Activate the injector by clicking on the VCT 2000 symbol.





Does the injector click?

Yes - FAULT FOUND

No - No Fault FoundFault-tracing information

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Verification








- Reconnect the connectors, reinstall components etc.
- Ignition on.
Activate the injector by clicking on the VCT 2000 symbol.





Does the injector click?

Yes - FAULT FOUND

No - No Fault FoundFault-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 - FAULT-TRACING FAILED

No - Attempt New Test

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FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Checking injectors

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