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Relay for power trunk - 2004 Saturn ION

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2003 Cadillac deville trunk randomly opens on its own when sitting and not running occasionally what could be the cause.


Do you know anything about automotive electrical testing ? how to read a wiring diagram ? How to use a DVOM - digital volt ohm meter ? You can find a free wiring diagram here http://www.bbbind.com/free_tsb.html

The trunk release is controlled by an electronic control moduel .
Trunk Release Relay
Output Controls
The rear integration module grounds the trunk relay when commanded ON. The rear compartment should release.

This vehicle has a very complex body control system of three different computers

The body control system consists of the following 3 modules:
• The Dash Integration Module (DIM)
• The Instrument Panel Module (IPM)
• The Rear Integration Module (RIM)
Each of the 3 body control modules integrate a number of functional systems under the control of a single module. Each module is connected to the Class 2 serial data circuit, many of the control functions are implemented by Class 2 messages.

. Rear Integration Module (RIM)
The various RIM inputs and outputs are described in the corresponding functional areas as indicated on the RIM electrical schematics.
The RIM functions include the following:
• Automatic level control
• CIGAR relay control
• Class 2 communication requiring RIM interaction
• Content theft deterrent
• Fuel door control
• Fuel level sensor input
• Heated seat control
• HVAC blower control
• LK/CYL relay control
• Park brake relay control
• Rear defog relay control
• Rear park assist chime control
• Retained accessory power (RAP) relay control
• Reverse relay control
• Transmission shift inhibit
• Trunk release relay control
• Various controls for the interior lamps


Luggage Compartment Description and Operation (General)
Rear Compartment Lid (trunk) release actuation is controlled by the following components.
• Rear Compartment Lid Release Relay
• Instrument Panel Module (IPM)
• Rear Integration Module (RIM)
• Valet Switch
• Rear Compartment Lid Release Switch
• Rear Compartment Lid Release Actuator
Battery voltage for the coil side of the trunk release relay is supplied through the Valet switch (with the valet switch in the OFF position) by the ALDL fuse located in the Underhood Fuse (Bussed) Block. Battery voltage for the switch side of the trunk release relay is supplied by the Body fuse located in the Rear Fuse (Bussed) Block. When the rear compartment lid release switch is momentarily pressed, it provides a ground circuit for the trunk release signal of the Instrument Panel Module (IPM). When the IPM senses that the switch has been activated, it sends a Serial Data Class 2 message to the Rear Integration Module (RIM). The RIM then provides a path to ground on the F/TNK DR REL relay control circuit. The trunk release relay is then energized, and battery voltage is applied through the switch side contacts of the trunk release relay to the rear compartment lid release actuator. The actuator is connected to ground through a ground splice pack located at the left rear corner of the rear compartment, near the left tail lamp connector.

Mar 01, 2017 | Cadillac DeVille Cars & Trucks

2 Answers

Fuse to open the luggage lid for 2006 Chevrolet Malibu LS


The power block that includes the fuse and power relay for the power trunk lid are located inside the trunk. After you have opened the trunk lid (using a key), look at the left wall to locate the access flap that is cut into the trunk lining. The fuse block is underneath this flap. The 10 amp mini fuse for the power trunk lid is at location #22 and the mini power relay is at location #36. Check the schematic on the fuse block cover for exact locations.

Feb 10, 2015 | 2006 Chevrolet Malibu

2 Answers

What might be wrong with the trunk release on this 2007 Cadillac DTS? (It's not the valet switch)


Which fuse were you checking? There are two fuses in the trunk release circuit - one underhood (ALDL) which feeds the trunk/fuel door release circuits via the valet switch and also the ALDL circuit; and one under the back seat (BODY fuse) for the trunk release.

Unfortunately, relay control signals for these releases run through the IPM (Instrument Panel Integration Module) which handles the release buttons on the dash, and the RIM (Rear Integration Module), which receives these signals from the IPM and handles them and the trunk release button on the keyless remote.

If the fuel door release is working at the dash and the trunk release is not, the ALDL fuse should be OK and the problem may still be with the BODY fuse, trunk release relay or wiring. If that isn't the problem, then I suggest you check for IPM and RIM DTC's (error codes).

Nov 10, 2014 | 2007 Cadillac DTS Sedan

1 Answer

How do i tell what the fuses and relays in the trunk go to


you can power up each relay (12v or 24 v) and see if the trunk pops open or if the antenna goes up or the fuel cap pops open

Jun 05, 2014 | Cars & Trucks

1 Answer

Where is the "Interior Relay Panel" for an 1989 Cadillac Eldorado? The power trunk will not close and I need to check that fuse.


Before you go looking for the fuse check to make sure there is power going to the electric motor that raises and lowers your trunk lid, If you have power and if you have ground it is a burnt out motor and needs to be replaced. However the relay should be in the interior relay panel against the firewall on the interior of the car behind the dashboard. Until you find the solution you can always take the motor out and turn it to the closed position and your trunk will close like any normal non electric trunk.

Sep 22, 2012 | 1989 Cadillac Eldorado

1 Answer

The trunk light and top brake light won't work...


the trunk dose not have ground u need to find ground on the trunk.:) by joshua owrey

Mar 21, 2012 | 2007 Dodge Charger SRT8 Sedan

2 Answers

My trunk won't open, I have tried my trunk button and the key won't work, it worked fine a few hours, but even when i try to do it manually it won't open. Also I would look in and try the...


There are 3 phases to fixing your car's trunk lid release problem.

Phase 1: First check the fuse - once you know that's OK, then proceed to phase 2 (below).
The fuse for the trunk lock is
the bcm (pwr) 15A fuse in the instrument panel fuse box (behind panel at drivers right foot)

Check that fuse, as it is the power supply for the button on the dash that sends power to the actuator in the trunk.

Phase 2: Get the trunk open (without taking it to the dealership).
If you have remote keyless entry to the trunk, you could try that - but with the actuator
dead/dying, it shouldn't work.

Here are a couple of ideas to try to enter trunk while (a) actuator isn't working, and (b) all
valet lockout features (designed to deny valets access to the trunk) are in the "Lock" position:

There is the lock cylinder, which you stated is not functioning - put the key in, and it doesn't
turn. Just to be sure, consider: lubricate key with Graphite lock-type lubricant, and retry.

The trunk has 2 valet safetys...the locking rear seats which require access to the trunk to unlock, and then there is a valet switch in the trunk that locks the button on the dash from working to keep valet parking attendants out of the trunk. That may be in the lock position.

You can try accessing the center area of the fold down rear seat and see if you can unhinge the rear seat from there. Maybe reach in with your hand, or an extension-type tool.

there may be a way to fold the hinge away from the seat back so it can be removed from the hinge and give you access to the safety latch in the trunk and open it that way (white handle in trunk).
The white-handled safety latch release is desiged to prevent accidentally trapping children, and
if you can pull it with your extending-type or grasping-type tool, the trunk will open whether or
not the actuator motor is working.

Phase 3: Replace the Problem part.

Your failed part may be either (1) Trunk Release Relay, or (2) Trunk Lock Release Switch

My Satrun ION manual doesn't cover either of these parts, and the online parts houses, e.g.
http://www.rockauto.com/catalog/x,carcode,1431624,pgname,Electrical-Switch%2B%2526%252338%253B%2BRelay,a,search.yahoo.com%2BSearch%2Bfor%2B2004%2BSATURN
fail to provide instructions. One of those times a mechanic has to t=rely on his/her native
handiness and/or experience.
To identify which of these parts is bad, locae the Trunk Release Relay (call your dealer parts
dept. for helpful tips on finding it), then operate the dashboard trunk release button with your
ear close tothe relay - if it makes a noise, the problem is the Trunk Lock Release Switch in
the trunk lid, otherwise its the relay.

Aug 15, 2011 | 2004 Saturn ION

1 Answer

2011 c70 trunk release not unlocking. I have to manually unlock the trunk from the rear seat hidden lock, any solution before i head to the dealership? Thanks


check your fuses to the trunk lock and its power relays also check the button and wiring for opens or shorts (normally a broken wire between the button and the power lock is culprit)

May 28, 2011 | 2011 Volvo C70

1 Answer

Hello, need your advice to solve the problem, saab ss 2003 driver electric seat (without memory) doesnt move to any directions. I suspect that problem with relay (didnt find any fuse responsible for that)...


Unless this is a convertible then there is no relay for the seat in the trunk. The relay is supposed to be under the driver's seat. Look for the Red wire going to the seat switch, that should be 12 volts with the key on. The brown wire should be ground. The best way to test power & ground is to use a headlight (sealed beam) & try to power that up with the power & ground going to the seat switch. What that does is make sure that there are no bad connections & you truly have good power & ground. Maxi fuse #4 powers up the seat relay.

Mar 10, 2011 | 2003 Saab 9-3

2 Answers

NO POWER TO FUEL PUMP


relay has power to it from the battery?

May 25, 2009 | 1987 Ford Crown Victoria

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