Signal Too Low. Intermittent Fault

Signal too low. Intermittent fault

Checking wiring
Check the signal cable between the engine control module (ECM) terminal 48 and the intake air temperature (IAT) sensor terminal 1 for an intermittent short-circuit to ground and remedy according to Checking wiring and terminals. Intermittent faults Checking Wiring And Terminals. Intermittent Faults.

Other information
- To connect the breakout box, see Connecting the breakout box. EMS 2000 Connecting The Breakout Box. EMS 2000
- To replace the mass air flow (MAF) sensor, see Replacing the intake air temperature sensor Replacing Intake Air Temperature Sensor.













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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

FAULT FOUND - DONE

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