Signal Too High

Signal too high

Checking the signal from the hood switch




- Ignition on
- Read off the signal from the hood switch.
Open and close the hood so that the hood switch is affected. The signal should change status.
The fault is permanent if the signal does not change status.
If the status changes, this indicates an intermittent fault, i.e. the fault was present previously but is not active at the moment.










Continue - Checking cable and component

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Checking cable and component
Check the signal cable between rear electronic module (REM) connector terminal #44 (#C4) and hood switch terminal #1. Check for a short-circuit to supply voltage.
Remedy as necessary.

Other information
- Connecting the breakout box Connecting Breakout Box, Rear Electronic Module (REM)
- Signal specification Signal Specification, Rear Electronic Module (REM)
- To disconnect the rear electronic module (REM), see Integrated relay / fusebox cargo compartment / rear electronic module, replacing Integrated Relay/Fusebox Cargo Compartment/Rear Electronic Module (REM), Replacing
- Checking wiring and terminals Checking Wiring And Terminals














Continue - Verification

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Verification




Verification

Verification

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








- Ignition off
- Reinstall the connectors, components etc.
- Ignition on
- Read off the signal from the hood switch.
Open and close the hood so that the hood switch is affected. The signal should change status.









Is the status OK?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFICATION FAILED - Fault-tracing information

PAPER - No Fault Found

VERIFIED - Fault Found

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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 - FAULT-TRACING FAILED

No - Attempt New Test

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FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Checking the signal from the hood switch

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