Question about Pontiac Cars & Trucks
The rear compartment lid release system consists of the following components:
• Body control module (BCM)
• Folding top cover actuator
• GMLAN serial data link
• Keyless entry transmitter
• Rear compartment lid ajar switch
• Rear compartment lid release actuator
• Rear compartment lid release switch
• Remote control door lock receiver (RCDLR)
• Trunk fuses
• Trunk release relay
Rear Compartment Lid Release System Operation
The rear compartment lid can be released by operating the rear compartment lid release switch or pressing the rear compartment lid release button on the keyless entry transmitter. When the rear compartment lid release switch is operated, the rear compartment lid release switch signal circuit to the body control module (BCM) is switched to ground. The BCM receives the rear compartment lid release switch input and applies ground to the trunk release relay control circuit. This energizes the trunk release relay coil, closing the switch side contacts, allowing battery voltage to be applied to the rear compartment lid release actuator and folding top cover actuator, releasing the buttresses and opening the rear compartment lid. Ground for the rear compartment lid release switch is provided at G300. The rear compartment lid ajar switch, rear compartment lid release actuator, and folding top cover actuator are provided ground at G301. The rear compartment lid will not release until the vehicle speed is zero and in park.
Do you know what DTC'S - diagnostic trouble codes are ?
DTC B3265 01 : Trunk Relay Output Short to Battery
DTC B3265 06 : Trunk Relay Output Short to Ground or Open
Do you know what a relay is an how it works ? TRUNK release relay located in the underhood fuse / relay box.
VEHICLE RELAYS Operation Diagnosis
Posted on Jul 22, 2017
Yes, it has a fuse but I do not have a diagram unfortunately. Or it could be your indicator switch on the inside driver's side of the trunk. The remote will not work if the trunk is already open OR if the switch is bad/not contacting the stopper (at the base of the trunk) and falsley telling the PCM that the trunk is ajar. But if this were the problem, your should be getting a warning that your "trunk is ajar" from the onboard warning display on the guage cluster. The switch is cheesy...had to replace mine.
Posted on Jan 01, 2009
you can charge the battery from the engine compartment. check your owners manual that is the correct place to jump and to charge the battery.
Posted on Apr 06, 2009
This is the location of your BcM or Body control Mod. This controls all the things you are talking about. Lights, flashers,door locks trunk lock, that clicking you are hearing is a relay turning something on. So Lets say you are driving and it starts to get dark your BcM will change your driving lights to full night time mode, turning lights on, on your dash. Now you have Bright and dim functions. There is a sensor in the dash up front in the windshield that senses dark/light and does this. That is what you hear, a relay in your BcM clicking off/on some function of the car.
Posted on Aug 13, 2009
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