Faulty Signal. Intermittent Fault

Faulty signal. Intermittent fault

Checking wiring and connectors




- Ignition off
- Check the connectors for the control module, system relay and mass air flow (MAF) sensor. Check the connections visually according to Checking wiring and terminals. Intermittent faults Checking Wiring And Terminals. Intermittent Faults. Check for intermittent contact resistance and oxidation according to Checking wiring and terminals. Intermittent faults Checking Wiring And Terminals. Intermittent Faults
- Check the intake system for air leakage according to intake system/leak test Intake System/Leak Test
- Remedy as necessary.

Other information:
- To access the engine control module (ECM), see Engine control module (ECM), replacing Replacing Engine Control Module (ECM)
- To connect the breakout box, see Connecting the breakout box. EMS 2000 Connecting The Breakout Box. EMS 2000
- For information about signals, see Signal specification EMS2000
- To replace the mass air flow (MAF) sensor, see Replacing the mass air flow (MAF) sensor Service and Repair.













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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