Signal Too Low. Permanent Fault
Signal too low. Permanent fault
Checking injectors
- Ignition off
- Disconnect the injector connector.
Connect an ohmmeter between injector connector terminals 1 and 2.
The ohmmeter should read 14-15ohms at 20°C.
OK - Defective injector
Not OK - Checking wiring and terminals
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Checking wiring and terminals
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 ground 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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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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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
- Ignition off
- Reconnect the connectors, reinstall components etc.
- Connect VCT 2000
- 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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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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