Signal Faulty. Intermittent Fault

Signal faulty. Intermittent fault

Checking the wiring and connections
Check the brake light switch and control unit connectors for contact resistance and oxidation as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Check the wire between brake light switch #1 and the battery for an intermittent open circuit as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Check the wire between brake light switch #2 and ABS control unit #23 for an intermittent open circuit as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults , an intermittent short circuit to ground as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults , and for an intermittent short circuit to voltage supply as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Also check the wire between brake light switch #2 and engine control module (ECM) #B26 and central electronic module (CEM) #B4 for an intermittent short circuit to ground as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults , and an intermittent short circuit to voltage supply as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Do the necessary corrective action.

Additional information:
- To connect the test box to the ABS control unit, see Connecting the breakout box Connecting the Breakout Box, Central Electronic Module (CEM).
- To connect the test box to the central electronic module (CEM), see Connecting the breakout box Connecting the Breakout Box, Central Electronic Module (CEM).
- To connect the test box to the engine control module (ECM), see Connecting the breakout box, B5244T5, B5254T2 Connecting the Breakout Box









Select Continue when the fault has been rectified.

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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Attempt New Test - Checking the wiring and connections

FAULT FOUND - Fault Found

DONE - DONE

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