Chevrolet Sonic Repair Manual: Hood Ajar Indicator Description and Operation
- Hood Ajar Switch
-
The body control module (BCM) applies B+ to the hood ajar signal circuit and monitors the voltage to determine the position of the hood. When the hood is closed, the switch is open and voltage remains high. When the hood is open, the switch is closed and the voltage is pulled low.
The BCM uses the hood ajar switch as a content theft deterrent alarm trigger.
- Hood Ajar Indicator/Message
-
When the hood is ajar, a message is displayed on the DIC or the hood ajar indicator will be illuminated.
Hood Adjustment
Hood Adjustment
Callout
Component Name
1
Hood
Caution: Refer to Fastener Caution.
Procedure
Loosen t ...
Hood Hinge Replacement
Hood Hinge Replacement
Callout
Component Name
Preliminary Procedures
Remove the hood. Refer to Hood Replacement.
Remove the fr ...
Other materials:
Rear End Panel Replacement
Removal Procedure
Warning: Refer to Approved Equipment for Collision Repair
Warning.
Warning: Refer to Glass and Sheet Metal Handling Warning.
Note: The rear end lower panel reinforcement extension is
made of Ultra High Strength Dual Phase St ...
Instrument Panel Center Air Outlet Replacement
Instrument Panel Center Air Outlet Replacement
Callout
Component Name
Preliminary Procedure
Remove the instrument panel center molding. Refer to Instrument Panel
Center Molding Replacement.
1
In ...
Throttle/Idle Learn
Description
The engine control module (ECM) learns the airflow through the throttle body
to ensure the correct idle. The learned airflow values are stored within the
ECM. These values are learned to adjust for production variation and will continuously
learn during the life of the ...
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