Faulty Signal. Permanent Fault

Faulty signal. Permanent fault

Checking the resistance of the signal cable (continued)








- DSA control module disconnected.
- Engine control module (ECM) disconnected.
- Breakout box connected to the engine control module (ECM).

For FENIX 5.1
- Connect an ohmmeter between DSA control module connector terminal 15 and engine control module (ECM) breakout box terminal 42.

For EMS 2000
- Connect an ohmmeter between DSA control module connector terminal 15 and engine control module (ECM) breakout box terminal 20.

Other information
- To connect the breakout box for DSA, see Connecting the breakout box. DSA Connecting The Breakout Box. DSA.
- To connect the breakout box for FENIX 5.1, see Connecting the breakout box. FENIX 5.1 Connecting The Breakout Box. FENIX 5.1.
- To connect the breakout box for EMS 2000, see Connecting the breakout box. EMS 2000 Connecting The Breakout Box. EMS 2000.









The ohmmeter should read approximately 0 ohms.

OK - Checking the signal cable resistance to ground

Not OK - Checking for an open-circuit

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Checking for an open-circuit

For FENIX 5.1
- Check the cable between engine control module (ECM) terminal 42 and DSA control module terminal 15 for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault.

For EMS 2000
- Check the cable between engine control module (ECM) terminal 20 and DSA control module terminal 15 for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault.









Select Continue when the fault has been remedied.

Continue - Verification

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Checking the signal cable resistance to ground








- Ignition off.
- DSA control module disconnected.
- Engine control module (ECM) disconnected.
- Breakout box connected to the engine control module (ECM).

For FENIX 5.1
- Connect an ohmmeter between breakout box terminal 42 and ground.

For EMS 2000
- Connect an ohmmeter between breakout box terminal 20 and ground.

Other information
- To connect the breakout box for FENIX 5.1, see Connecting the breakout box. FENIX 5.1 Connecting The Breakout Box. FENIX 5.1.
- To connect the breakout box for EMS 2000, see Connecting the breakout box. EMS 2000 Connecting The Breakout Box. EMS 2000.









The ohmmeter should read infinite resistance.

OK - Checking the signal cable for a short-circuit to supply voltage

Not OK - Checking for a short-circuit

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Checking for a short-circuit

For FENIX 5.1
- Check the cable between engine control module (ECM) terminal 42 and DSA control module terminal 15 for a short-circuit to ground according to Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault.

For EMS 2000
- Check the cable between engine control module (ECM) terminal 20 and DSA control module terminal 15 for a short-circuit to ground according to Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault.









Select Continue when the fault has been remedied.

Continue - Verification

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Checking the signal cable for a short-circuit to supply voltage








- Ignition off.
- Connect the DSA control module.
- Connect the engine control module (ECM).
- Breakout box connected to the engine control module (ECM).
- Start the engine.

For FENIX 5.1
- Connect an electrician's screwdriver (with a bulb of at least 3 W) between breakout box terminal 42 and ground.

For EMS 2000
- Connect an electrician's screwdriver (with a bulb of at least 3 W) between breakout box terminal 20 and ground.

Other information
- To connect the breakout box for DSA, see Connecting the breakout box. DSA Connecting The Breakout Box. DSA.
- To connect the breakout box for FENIX 5.1, see Connecting the breakout box. FENIX 5.1 Connecting The Breakout Box. FENIX 5.1.
- To connect the breakout box for EMS 2000, see Connecting the breakout box. EMS 2000 Connecting The Breakout Box. EMS 2000.









The electricians screwdriver should notlight. Is the electrician's screwdriver unlit?

Yes - Fault cause and checking for contact resistance and oxidation

No - Checking for a short-circuit

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Fault cause and checking for contact resistance and oxidation
The diagnostic trouble code (DTC) was poor contact in the engine control module (ECM) and or the DSA control module connectors.
Check the connectors for contact resistance and oxidation and remedy according to Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault.

Select Continue when the fault has been remedied.

Continue - Verification

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Checking for a short-circuit

For FENIX 5.1
- Check the cable between engine control module (ECM) terminal 42 and DSA control module terminal 15 for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault.

For EMS 2000
- Check the cable between engine control module (ECM) terminal 20 and DSA control module terminal 15 for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault.









Select Continue when the fault has been remedied.

Continue - Verification

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Verification




Verification

Verification

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








- Ignition off.
- Reconnect the connectors, reinstall components etc.
- Start the engine.
- Activate torque limiting by clicking on the VCT 2000 symbol.
Check that the engine is uneven when idling.





Does the engine idle unevenly when the function is activated?

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 - FAULT-TRACING FAILED

No - Attempt New Test

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FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Checking the resistance of the signal cable (continued)

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