Signal Missing. Permanent Fault

Signal missing. Permanent fault

Checking components and wiring
Check the signal cable between engine control module (ECM) terminal #B26 (#B36) and stop (brake) lamp switch terminal #3. Check for an open-circuit.
Remedy as necessary

Other information:
- To connect the breakout box and access the control module, see Connecting the breakout box, B5234T9, B5244T7 Connecting The Breakout Box
- For information about signals, see Signal specification Signal Specifications
- Checking wiring and terminals Checking Wiring and Terminals.














Continue - Verification

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Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.




- Ignition off.
- Reinstall connectors, components etc.
- Ignition on.
- Read off brake pedal movement by pressing down and releasing brake pedal.
The value is between 2.9-3.2 V when the brake pedal is unaffected and decreases when the brake pedal is depressed.









Do the movements correspond?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - FAULT FOUND

VERIFICATION FAILED - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit fault-tracing

No - Attempt New Test

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Attempt New Test - Checking components and wiring

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