Signal Too Low. Intermittent Fault

Signal too low. Intermittent fault

Checking cables
Check signal cable between heated oxygen sensor (HO2S) #4 and control module #A18 (#A18) for an intermittent short-circuit to ground according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.

Other information
- Connecting the breakout box/accessing the control module, see Connecting the breakout box, B5234T9, B5244T7 Connecting The Breakout Box.
- To access/replace the heated oxygen sensor (HO2S), see Replacing lambda probes, B5234T9, B5244T7 Replacing Lambda Probes.
- For information about signals, see Signal specification Signal Specifications.














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 cables

FAULT FOUND - DONE

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