Chevrolet Sonic Repair Manual: Hood Ajar Indicator Description and Operation
- Hood Ajar Switch
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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
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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:
Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is
not working, the remaining circuit can still work to stop the vehicle. For normal
braking performance, both circuits need to be working
If the warning light comes on, there is a brake problem. Have the brake system ...
Heater Inlet Hose Replacement (LDE, LUW)
Special Tools
BO-38185 Hose Clamp Pliers
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Drain the cooling system. Refer to Cooling System Draining and Filling.
Disengage the heater inlet hose quick connect clip (1) at the heater
...
Drive Range, Fifth Gear (Gen 2)
As vehicle speed increases, the transmission control module (TCM) processes input
signals from the automatic transmission input and output speed sensors, the throttle
position sensor and other vehicle sensors to determine the precise moment to command
ON the normally-low 35R pressure control s ...
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