Interior lights do not remain on as long as doors are open. This is a problem when loading or unloading in the dark. Can the timer mechanism be altered?

Courtesy Lights
The courtesy lights come on under the following conditions:
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Any door is opened.

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The interior lamp switch is in the ON position.

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The keyless entry transmitter unlocks the doors (illuminated entry).

When the key is removed from the ignition switch with all of the doors closed, the courtesy lights light for approximately 25 seconds before fading out.
Battery positive voltage (B+) is applied at all times through the IP fuse block CTSY LP/PWR MIR fuse 6A via CKT 640 (ORN) through the body control module (MALL) to the courtesy lights via CKT 1732 (ORN). The MALL provides a ground through CKT 156 (WHT) for the courtesy lights under the following conditions:
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The MALL receives an input from a door being opened.

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The MALL receives an input from the interior lamp being turned ON.

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The MALL receives an input from the doors being unlocked using the keyless entry transmitter.

The courtesy lamps then light.
When the courtesy lights are activated by opening and closing a door, the courtesy lights will remain on for approximately 25 seconds before fading out after all of the doors are closed. If the ignition switch is turned to START or RUN within the 25 seconds, the lights immediately begin to fade out. If a door is left open, the MALL removes battery positive voltage (B+) to the courtesy lights after 10 minutes. When the courtesy lights are activated by the interior lamp switch, the lights remain on as long as the interior lamp switch is in the ON position. When the courtesy lights are activated by unlocking the doors using the keyless entry transmitter, the lights remain on for approximately 40 seconds. If the doors are locked using the keyless entry transmitter within the 40 seconds, the lights immediately begin to fade out.
Body Control Module (MALL) Diagnostic Mode
For a detailed explanation of the MALL module diagnostic mode, refer to Body Control Module Cell 51.
What interior light ? Dome , courtesy lights etc....They don't work with switch, keyless entry , door opening ?
What

1. If you have the light switch in the wrong mode the lights will not operate when you open the door.

2. If the interior lights do not operate at all (ie you cannot switch them on and off manually)then you need to check the fuse for the interior lights.

3. When set to the correct mode, the interior lights will operate from a door operated switch so if the switch has failed the lights will either stay on or not operate at all when you open and close the door. Eventually these door switches fail with repeated use and need to be replaced. (Consider how many times the small door switch has been operated since 1996).

This is because the switch mechanism on the door frame has failed and needs to be replaced. Hence the switch remains on and power will continue to flow to the interior lights until you switch them to full manual mode. The door warning light will also show as open because the warning light is operated off the same switch.

Did the mechanic not check for current drain with an
amp meter & see if everything timed out after ignition
is off & door closed & was within milli-amp spec

I don't think people explain why they are at a shop or
the mechanics have little skill or patience for some issues

Is there a button by the headlight control switch? I recently found out that the dome light only comes on while the doors are open when this button is engaged

Hi, viewer. The interior light is powered and controlled by the body control module or BCM. However, there is an on/off button beside the main headlight switch that overrides the interior lighting function. If this button is off, interior lights will not come on regardless of any door being closed or opened.

If this button is on, interior lights will come on whenever a door is opened. If you close all doors, and if the driver door is the last to be closed, the interior lights will stay on for about 30 sec and then the lights goes off automatically. In case you left any door opened too long, the BCM has an internal timer that will shut off the interior lights automatically when it detects that a door is still opened and the allowable time has elapsed. The BCM is programmed this way to protect the battery circuit and functions. : )

well you have sensors on the side of the car when the door closes it pushes in and shuts the light off.......so just see if you can try to mess with it or just bring it to a mechanic

These have contacts that seem to wear out before the life of the car is up. I bought a used one off EBAy and replaced it. Check the switch integrity - make sure the contacts connect.

Is it an old van? Can you see on the door frame a switch does it come out when the door is opened (push in and out a few times). 3 position switch on always / off always and door switch?

hi
problem solved after cleaning the light sensor but the problem of twilight sentinel always exist , so if the twilight on the way of MAX the lights will remain 90 seconds ON but if i open the door and the interior lights will go on so the exterior lights will go OFF , what might be the problem?