Signal Missing. Intermittent Fault

Signal missing. Intermittent fault

Checking wiring and connectors




- Ignition off.
Check the connector on the leak diagnostic pump for loose connections according to Checking wiring and terminals. Intermittent faults Checking Wiring And Terminals. Intermittent Faults and contact resistance and oxidation according to Checking wiring and terminals. Intermittent faults Checking Wiring And Terminals. Intermittent Faults.
Check the signal cable between engine control module (ECM) terminal 41 and leak diagnostic pump terminal 4 for an intermittent open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring And Terminals. Intermittent Faults.
Check the power supply cable between system relay terminal 5 (87) and leak diagnostic pump terminal 2 for an intermittent open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring And Terminals. Intermittent Faults.
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 / replace the leak diagnostic pump, see Replacing the leak diagnostic pump Removal and Replacement
- For information about signals, see Signal specification EMS2000.













Select Continue when the fault has been remedied.

Continue - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

Do you want to view the information again?

Yes - Attempt New Test

No - FAULT FOUND

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Attempt New Test - Checking wiring and connectors

FAULT FOUND - DONE

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