Signal Missing

Signal missing

Checking the wiring
Check the fuse before the circuit. If the fuse is blown, check the circuit for a short-circuit to ground.
Check the power cable between the fuse of the circuit and terminal #1 of the control module cooling fan for open circuit.
Check the signal cable with regard to open circuit.
Take readings between:
- Engine Control Module (ECM) terminal #B48 (#B58) and terminal #2 of control module cooling fan.
If no faults are found via the aforementioned fault tracing, replace the control module cooling fan.
Remedy as necessary.

Other information:
- To connect the breakout box, see Connecting the breakout box, B5244T5, B5254T2 Connecting the Breakout Box
- For information about signals on 5 cylinder engines, see Signal specification Signal Description / Specification
- For information about signals on 6 cylinder engines, see Signal specification Signal Description / Specification
- Checking wiring and terminals Checking Wiring And Terminals.










Continue - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
In case of this defect, troubleshooting is not followed by verification.
The information can be displayed again or the fault-tracing for this fault can be interrupted.

Do you want to view the information again?

Yes - Attempt New Test

No - Fault Found

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Attempt New Test - Checking the wiring

FAULT FOUND - Fault Found

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