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Old 04-27-2011, 04:35 PM   #1
rach
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Default 2009 Saturn Aura- door ajar message and chimes

My entire way to work I had the message Door ajar flashing and the chimes intermittently going off. I also had the lights in the interior flickering on and off. I checked the doors they are all closed tight. Would this just be a sensor issue? I noticed yesterday on my dash I also had a warning light on that looked like a lock over a picture of the car. Not sure if that is related to this issue. Anyone have any advice....
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Old 04-27-2011, 05:16 PM   #2
greenman
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2009 AURA XE
Default Re: 2009 Saturn Aura- door ajar message and chimes

Read this:

Service Information
2009 Saturn AURA | AURA, BAS Hybrid (VIN Z) Service Manual | Document ID: 1961010
--------------------------------------------------------------------------------

Content Theft Deterrent (CTD) Description and Operation
When armed, the content theft deterrent (CTD) system is designed to deter vehicle content theft by pulsing the horns and exterior lamps for approximately 30 seconds when an unauthorized vehicle entry is detected. However, the CTD system does not affect engine starting.

An unauthorized entry can be any of the following with the CTD system armed:

When any door is opened without first being unlocked using the UNLOCK command from the keyless entry transmitter

Unauthorized entry into the underhood area (if equipped)

Unauthorized entry into the rear compartment

After a battery reconnect, if the battery was disconnected with the CTD system armed

The components of the CTD system are:

Body Control Module (BCM)

Remote Control Door Lock Receiver (RCDLR)

Security indicator

Door ajar switches

Rear compartment lid ajar switch

Hood ajar switch (if equipped)

Arming the CTD System
Use the following procedure in order to arm the system:

Place the shift lever in P (park).
Turn OFF the ignition.
Open any door.
Important: The system is not armed if the doors are locked manually; the remote keyless entry transmitter must be used to arm the content theft deterrent (CTD) system.

Lock the doors using the LOCK button on the transmitter. The system is in standby mode and will not start the arming timer until all doors are closed.
The system will begin the arm sequence immediately after the last door is closed. If the keyless entry transmitter is used to arm the system after the vehicle doors are closed, the arm sequence will begin as soon as the LOCK command is received by the transmitter.
Locking the Vehicle Without Arming the CTD System
Locking the vehicle may be accomplished without arming the content theft deterrent (CTD) system. Use of the manual door locks or using the key to lock the doors will lock the vehicle, but will not arm the CTD system.

Disarming an Armed System/Silencing an Alarm
If system arming has been requested by the keyless entry transmitter, it must be disarmed.

Important: Using the power door unlock switch or manually unlocking the doors does not disable the content theft deterrent (CTD) arm mode. Also, disconnecting the battery or pulling fuses does not disable the arm mode, since the BCM stores the CTD mode status in memory.

To disarm the CTD system in standby mode, perform one of the following:

- Press the UNLOCK button on the keyless entry transmitter.

- Insert a valid key into the ignition and switch to the ON position.

To disarm the CTD system in the armed mode (non-event) or when activated (during an alarm event):

Press the UNLOCK button on the keyless entry transmitter.

CTD Circuit Description
The following is a description of each component used in the content theft deterrent (CTD) system:

Body Control Module (BCM)
The CTD system is an internal function of the BCM which utilizes serial data and various switch inputs information to perform CTD functions. When the BCM detects an unauthorized entry, it activates the horns and exterior lamps. The BCM has 4 basic modes (disarmed, standby, armed, and alarm) for operating the CTD system. The different modes are described below.

The BCM has the CTD system in a disarmed mode until the following conditions are detected:
Ignition key turned to the OFF position.

Doors locked using the LOCK button on the transmitter.

The BCM enters the standby mode when the above conditions are detected. If a door was already opened when the arm mode was requested, the standby mode does not start the timer until the last door is closed.
When the last door is closed, a 15 second timer is activated. Once the timer has expired, the BCM enters the armed mode. After this delay, any forced entry activates the alarm mode.
When a forced entry is detected, the BCM enters the alarm mode. The BCM activates the horns and exterior lamps for 30 seconds. This is followed by a three minute time-out with the horn no longer active. If no new intrusions are detected after the time-out, the horn is not active. The system must be disarmed or the intrusion condition removed after the time-out for the system to exit alarm mode.
Remote Control Door Lock Receiver (RCDLR)
The keyless entry system can arm and disarm the CTD system. When the keyless entry module receives a door lock or unlock signal from the transmitter, the keyless entry module sends a message to the BCM via serial data to perform the appropriate arm/disarm functions.

Security Indicator
The security indicator is illuminated by the instrument panel cluster (IPC) based on information (via serial data) from the BCM for CTD, or theft deterrent module (TDM) for immobilizer. The CTD system uses the security indicator to inform the driver of system status prior to arming. The security indicator on the instrument cluster is controlled by both the CTD system and the immobilizer system.

The CTD system, integral to the BCM, commands the IPC to control the security indicator only when the ignition switch is OFF. The CTD system uses the indicator to identify system status.

The immobilizer system, integral to the theft deterrent module (TDM), commands the IPC to control the security indicator only when the ignition switch is ON as a malfunction indicator. The immobilizer system is to deter vehicle theft. Refer to Immobilizer Description and Operation for more information on the immobilizer system.

Door Ajar Switches
The CTD system uses the door ajar switches as a status indicator to activate the alarm. The door ajar switches are monitored by the BCM via a discrete input from each door ajar switch. If the BCM receives a signal indicating a door is opened when the CTD system is armed, the BCM activates the alarm.

Hood Ajar Switch
The CTD system uses the hood ajar switch as a status indicator to activate the alarm. The BCM monitors the hood ajar switch via a discrete input from the switch. If the BCM receives a signal indicating the hood has been opened when the CTD system is armed, the BCM activates the alarm.

Rear Compartment Lid Ajar Switch
The CTD system uses the rear compartment ajar switch as a status indicator to activate the alarm. The BCM monitors the rear compartment ajar switch via a discrete input from the switch. If the BCM receives a signal indicating the rear compartment has been opened when CTD system is armed, the BCM activates the alarm.

Inputs
The BCM monitors the following inputs for CTD:

The door ajar switches

The keyless entry transmitter LOCK/UNLOCK buttons; a serial data message from the RCDLR

The immobilizer status--The BCM uses the immobilizer status for disarming the system or silencing an alarm when the correct vehicle key is used to start the vehicle

The rear compartment ajar switch

The hood ajar switch

Outputs
The BCM controls the following for CTD:

The horn relay

The exterior lamps
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Old 04-27-2011, 11:02 PM   #3
rach
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Default Re: 2009 Saturn Aura- door ajar message and chimes

Still have the door Ajar message stuck on when the car is on and now the dome light will not turn off even with the keys out.....Anyone.....Please help....
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Old 04-28-2011, 01:22 AM   #4
greenman
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2009 AURA XE
Default Re: 2009 Saturn Aura- door ajar message and chimes

Most likely, one of your door ajar switches is wet/stuck/bad. They are part of the door latch assy (door lock actuator & door ajar switch are combined in a single unit). Unless you're capable of troubleshooting analog circuits you're going to need a dealer's help tracking down which switch is the problem (there's one per door). The car's computer thinks a door is always opened & is throwing a tantrum. Odds are (because it gets the most use) it's the driver's door but don't blame me if you replace that one & still have the problem.

If it's been raining cats & dogs there you may have water intrusion into that switch but you'll be waiting awhile for it to dry out on it's own.

Last edited by greenman; 04-28-2011 at 01:34 AM.
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Old 04-28-2011, 01:35 AM   #5
gregh2000
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2007 AURA XR
Default Re: 2009 Saturn Aura- door ajar message and chimes

Happened to my car, I had to have the door lock actuator replaced. The switch for the light is part of the lock actuator. All one part. The dealer said there is a microswitch in the assembly and it was stuck. Mine would work time to time, but then other times it would go open when the car was locked and it would set off the alarm. Or the doors wouldn't lock unless I pushed the thing manually.

After replacing the actuator problem fixed. It was very annoying to have the lights come on the car when driving at night lol. It would just go door ajar, on the highway or whenever it felt like it.
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Old 04-28-2011, 01:55 AM   #6
greenman
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2009 AURA XE
Default Re: 2009 Saturn Aura- door ajar message and chimes

I just realized there is a way to tell if the driver's door ajar switch is bad. Leave on the radio. Then remove the ignition key. Then open the driver's door. Does the radio immediately shut off by itself? If not, then it's the driver's door ajar switch that's bad.
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