Signal Missing - Intermittent Fault

Signal missing. Intermittent fault

Checking the component, wiring and connector
Check turbocharger (TC) control valve connector for intermittent contact resistance or oxidation according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults and intermittent loose connections according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Check signal cable between engine control module (ECM) #A38 (#A38) and turbocharger (TC) control valve #2 for an intermittent open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Check power supply turbocharger (TC) control valve between turbocharger (TC) control valve #1 and system relay 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, B5244T5, B5254T2 Connecting the Breakout Box.
- To access/replace the turbocharger (TC) control valve, see Replacing the turbocharger (TC) control valve, B5244T5, B5254T2 Service and Repair.
- Turbocharger (TC) control valve #1 has power supply via the system relay.
- For information about signals, see Signal specification Signal Specification, ECM.














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 - wiring and connector

FAULT FOUND - DONE

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