Signal Too Low - Intermittent Fault

Signal too low. Intermittent fault

Checking wiring and connectors
Check signal cable between engine control module (ECM) #A21 (#A21) and air conditioning (A/C) pressure sensor terminal 2 for an intermittent short-circuit to ground 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 Connecting the Breakout Box.
- To access/replace the control module, see the relevant service procedure.
- To access/replace air conditioning (A/C) pressure sensor, see the relevant service procedure.
- For information about signals, see Signal specification Signal Description / Specification.






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

DONE - DONE

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