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Signal Too High. Permanent Fault






Signal too high. Permanent fault

Checking the wiring




- Ignition off
Check the resistance on the affected injector between terminals #1 and #2. The resistance must be approximately 12 ohms. Check the signal cable between the affected injector terminal #2 and engine control module (ECM) terminal #59 (ECM-1E), terminal #90 (ECM-1F), terminal #60 (ECM-20) or terminal #89 (ECM-21). Check for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Remedy as necessary.

Other information:
- To connect the breakout box, see Connecting the breakout box. EMS 2000 Connecting The Breakout Box. EMS 2000
- To access or replace the injector, see Replacing the injector(s) Service and Repair
- For information about signals, see Signal specification Signal Specification.













Continue - 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.
Activate the injector using the VCT2000 symbol.





Does the injector click?

Yes - FAULT FOUND

No - No Fault Found Fault-tracing information

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Verification








- Reconnect the connectors, reinstall components etc.
- Ignition on.
Click the VCT2000 symbol to activate the injector.





Does the injector click?

Yes - FAULT FOUND

No - No Fault Found Fault-tracing information

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Verification








- Reconnect the connectors, reinstall components etc.
- Ignition on.
Click the VCT2000 symbol to activate the injector.





Does the injector click?

Yes - FAULT FOUND

No - No Fault Found Fault-tracing information

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Verification








- Reconnect the connectors, reinstall components etc.
- Ignition on.
Click the VCT2000 symbol to activate the injector.





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 the wiring

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