Signal Missing. Permanent Fault

Signal missing. Permanent fault

Checking the signal cable




- Ignition off
- Connect the breakout box
- Ignition on.
Connect a voltmeter between the breakout box terminal #B5 and ground.

Hint:
Other information
- To connect the breakout box, see Connecting the breakout box. EMS 2000 Connecting The Breakout Box. EMS 2000.









The voltmeter should read 5 V.

OK - Checking wiring and terminals

Not OK - Checking wiring and terminals

-------------------------------------------------

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













Select Continue.

Continue - Verification

-------------------------------------------------

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













Select Continue.

Continue - Verification

-------------------------------------------------

Verification








- Ignition off
- Reconnect the connectors, reinstall components etc.
- Start the engine.
Read off diagnostic trouble codes (DTCs).





Did the status change to intermittent?

Yes - FAULT FOUND

No - Fault-tracing information

-------------------------------------------------

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

------------------------

FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Checking the signal cable

-------------------------------------------------