Signal Too Low

Signal too low

Checking components and connections




Check the signal cable. Check for an open-circuit. Check for a short-circuit to ground.
Take readings between:
- Engine Control Module (ECM) terminal #B48 (#B58) and terminal #2 of control module cooling fan.
Remedy as necessary.

Other information:
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box
- For information about signals, see Signal specification Signal Description / Specification
- Location of components Locations
- To fault-trace the wiring and terminals, see Checking wiring and terminals Checking Wiring And Terminals.






Continue - Verification

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Verification




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 components and connections

FAULT FOUND - Fault Found

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