Checking Signal From Hood Switch

Checking signal from hood switch

Checking the signal from the hood switch




- Ignition on.
- Hood open.
Read off the hood switch status.
The value should be HIGH when the hood is open.





Is the value HIGH?

Yes - No Fault Found

No - Checking for a short-circuit to ground

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Checking for a short-circuit to ground
Check the cable between VGLA control module #A3 and hood switch terminal 1 for a short-circuit to ground according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.









Were any faults found in the cable?

Yes - Verification

No - Replacing component

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Replacing component
Replace the hood switch according to Replacing the hood catch and the micro-switch Service and Repair.

Select "Continue" when this has been done.

Continue - Verification

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Verification

Hint: After carrying out the repair check that the fault has been remedied as follows:








- Ignition off.
- Reconnect connectors, reinstall components.
- Ignition on.
- Hood open.
Read off the hood switch status.
The value should be HIGH when the hood is open.





Is the value HIGH?

Yes - FAULT FOUND

No - Fault-tracing information
No 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 - Exit fault-tracing

No - Attempt New Test

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Attempt New Test - Checking the signal from the hood switch

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