Signal Too Low. Intermittent Fault

Signal too low. Intermittent fault

Checking wire between battery and alternator.
Check the wire between alternator 1A and starter motor 1 (red/green wire and flat pin) for an open circuit as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults , and for a short circuit to ground as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Also check the wire between starter motor 1 and battery positive terminal in the same way.





Is there a fault?

Yes - Trouble-shooting information

No - Checking the wires and connectors

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Checking the wires and connectors
Check wires and connectors between central electronic module (CEM) 6E and battery for an intermittent open circuit as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults and for a loose contact as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults. Check especially for any damage.
Check wires between central electronic module (CEM) 1E and ground point/ground on left A-pillar (right A-pillar, RHD) for an open circuit as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults. Check especially for any damage.
Do the necessary corrective action.

Additional information
- To access connector 54/3R, see Service Handbook, Section 3, Wiring Diagram.
- To access control unit connector, see Central electronic module (CEM), replacing Central Electronic Module (CEM), Replacing
- To connect a test box, see Connecting the breakout box Connecting the Breakout Box, Central Electronic Module (CEM)






Continue - Trouble-shooting information

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Trouble-shooting 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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FAULT FOUND - DONE

DONE - DONE

Attempt New Test - Checking wire between battery and alternator.

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