Permanent Fault, Signal Too Low

Permanent fault, signal too low

Checking injector








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





The ohmmeter should read 14-15 ohms at 20°C.

OK - Defective injector

Not OK - Checking wiring and terminals

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Checking wiring and terminals
Check cable between injector connector terminal 2 and engine control module (ECM) connector terminal 59 (EFI-115), terminal 90 (EFI-125), terminal 60 (EFI-135) or terminal 89 (EFI-145) for a short-circuit to ground according to Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault.
Remedy as necessary.













Continue - Verification
Selecting diagnostic trouble code (DTC)

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

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. EFI-115
2. EFI-125
3. EFI-135
4. EFI-145

Select one of the above options to continue.

1 - Verification

2 - Verification

3 - Verification

4 - Verification

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Verification








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





Does the injector click?

Yes - FAULT FOUND

No - No Fault Found Fault-tracing information

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Verification








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





Does the injector click?

Yes - FAULT FOUND

No - No Fault Found Fault-tracing information

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Verification








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





Does the injector click?

Yes - FAULT FOUND

No - No Fault Found Fault-tracing information

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Verification








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





Does the injector click?

Yes - FAULT FOUND

No - No Fault Found 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 injector

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