Question about 2006 Chevrolet HHR

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06 Checy HHR-Auto Headlamp system

The lights just started staying on at all times, with sensor cleaned and in direct sunlight. When I move the light switch to the "auto off" position I do get the "auto lights off message in the DIC, However when I return the switch to the "auto" position I don't get an "auto lights on" message in the DIC. Thanks in advance.

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Did you go into the DIC and check the settings! I'm sure your aware that you can change this setting?

Posted on Nov 22, 2008

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I have a 94 Explorer headlights will not go out even when ignition is off and key out.


Headlamp Delay System - Autolamp, Aerostar and Explorer
The autolamp system provides light sensitive automatic on-off control of the exterior lamps normally controlled by the headlamp switch . The autolamp system keeps the lamps on for a preselected period of time after the ignition switch (11572) is turned off. The preselected time lapse can be adjusted by the operator up to three minutes.
On Aerostar, the system consists of a light sensor amplifier (13A018) , automatic headlamp dimmer relay (13A025) , and a time-delay headlamp dimmer sensor control (13C105) which includes an ON/OFF switch.
The Explorer consists of an ON/OFF switch, a light sensor and a time delay control which are part of the inside rear view mirror (17700) and two automatic headlamp dimmer relays .
Connections to the vehicle lamps parallel the connections to headlamp switch requiring the headlamp switch to be turned to the OFF position for the automatic control feature.
In normal operation, the system will turn the exterior lamps on when the natural outside light available to the light sensor amplifier decreases below a predetermined level, such as at sunset. Also, the lamps will automatically turn off when the level of outside light exceeds a predetermined level during daylight hours.
On Aerostar, the light sensor amplifier is mounted under a group of slots in the upper instrument panel in front of the driver. The light sensor amplifier must always be exposed to outside light to function properly. Do not place any items over the group of slots in the upper instrument panel which may block light to the light sensor amplifier.
On Explorer, the light sensor amplifier is on the back side of the interior rear view mirror. Do not place any items on the mirror that will block the sensor.
The headlamp dimmer sensor control thumbwheel is located next to the headlamp switch for Aerostar and on the interior rear view mirror for Explorer. The autolamp system is functional for automatic operation when the on-off control is moved from the OFF position. The closer the control is moved toward the max-delay, the longer the lamps will stay on after the ignition switch is turned off.
Pulling out the headlamp switch will override the autolamp. Automatic operation will not be possible until the headlamp switch is turned off.
Can you operate the headlamps manually, do they work ok? I don't like auto-lamps. Just my opinion.
I thought the above info might help?

Mar 10, 2018 | Cars & Trucks

1 Answer

Where is the ground for my 06 vue head lights at


Headlamps
The headlamps may be turned on 2 different ways. First, when the driver places the headlamp switch in the ON position, for manual operation. Second, with automatic lamp control ALC, and the headlamp switch placed in the OFF position.
The LH HDLP and RH HDLP fuse in the fuse block - underhood, supply battery positive voltage to both low and high beam lamps at all times. For manual operation , when the headlamp switch is in the ON position, the headlamp switch supplies ground directly to the headlamps and to the body control module (BCM) on the headlamp low or high beam signal circuit, depending on the position of the headlamp dimmer switch. The BCM uses this signal to determine if the conditions are present to illuminate the daytime running lamps or headlamps.
For ALC operation, the BCM receives a signal from the ambient light sensor indicating a low or high ambient (outside) light level. The ambient light sensor is a light sensitive transistor that varies its voltage signal to the BCM in response to changes to the outside (ambient) light level. Under the correct conditions the BCM grounds the headlamp relay control circuit energizing the headlamp control relay. The now closed relay supplies ground through the headlamp switch to the headlamps and the BCM on the headlamp low or high beam signal circuit, depending on the position of the headlamp dimmer switch. When the BCM grounds the headlamp relay control circuit, it also grounds the park lamp relay control circuit illuminating the park lamps. The headlamp relay is grounded at G203.
If the engine stalls with the headlamps in the ALC mode under low light conditions, the headlamps will be controlled OFF during cranking.
The conditions necessary for the BCM to activate the ACL mode are as follows:
• The ignition switch is in the RUN position.
• The headlamps are in the OFF position.
• The park brake is released.
• The BCM is receiving a low light condition from the ambient light sensor, if equipped with RPO T 82.


G-203
G203
At the lower center of the I/P, attached to the upper front side of the I/P fuse block

Dec 21, 2017 | Cars & Trucks

2 Answers

Head lights wont turn off 06 h3 hummer


If you pull the headlamp relay in under hood fuse box, that should kill the headlamps until you figure out the problem? I don't know if relay could be faulty? I'd want to check relay wiring circuit for ground?
Your bcm grounds the coil side of headlamp relay in order to energize. I'm not saying bcm has a problem? The bcm receives input from headlamp/dimmer switch telling it the headlamp relay should be grounded. You might check for bcm or communication trouble codes.
26312760-dtx0paaksp2dudcj4ee0acfc-2-0.jpg

Oct 15, 2016 | 2006 Hummer H3

1 Answer

99 GMC Sierra headlights & running lights won't work!


Headlights Circuit Description
The headlights are controlled by the body control module (BCM) via the AHL Relay when the headlamp and panel dimmer switch is the AUTO position. When in the AUTO mode, the BCM receives a signal, (voltage) from the ambient light sensor, based on the voltage of the signal of n the sensor the BCM turns the day time running lamp (DRL) lights OFF and the headlights ON. The headlights can also be turned on by placing the headlamp and panel dimmer switch in the head position.
The relay coil is fed by the headlamp and panel dimmer switch or the BCM and the battery B+ buss bar in the underhood bussed electrical center (UBEC). The BCM supplies current to the relay based on the input from the ambient light sensor via CKT 352.
The relay output feeds the LT HDLP and RT HDLP fuses to supply current to the low and high beam lamps on CKT 1340 and CKT 1240. The ground for both the low and high beam lamps is supplied via CKT 524 and CKT 525 to the dimmer switch. The dimmer switch uses CKT 1850 for a ground to G203.
Some circuits are monitored by the BCM, and upon failure may set a DTC.
Park/Side Marker and Tail Lamps
The park/side marker and tail lamps are split between the following 4 fuses:
?€¢
The FR PRK


?€¢
The LR PRK


?€¢
The RR PRK


?€¢
The TRL PRK

These fuses receive voltage from the park lamp relay. When the headlamp and panel dimmer switch is in the auto position, the body control module (BCM) controls the relay by grounding CKT 1080 based on the input of the ambient light sensor. The park LPS fuse supplies battery positive voltage (B+) to the relay at all times.
When the headlamp and panel dimmer switch is in the PARK position, the relay is by passed through the INT PRK fuse. Current flows from the PARK LPS fuse through the headlamp and panel dimmer switch to the INT PRK fuse in order to feed the following fuses:
?€¢
The FR PRK


?€¢
The LR PRK


?€¢
The RR PRK


?€¢
The TRL PRK


Park Lamps Inoperative

Step

Action

Value(s)

Yes

No

1

  1. Turn the ignition OFF.
  2. Connect a scan tool.
  3. Turn the ignition to the ON position.
  4. Using the scan tool, check for any DTCs in the body control module (BCM).

Does the scan tool show any DTCs ?
--
Go to Diagnostic System Check - Body Control System in Body Control System
Go to Step 2

2

  1. Turn the headlamp switch to the park position.
  2. Connect a test lamp from (back probe) terminal B of the headlamp and panel dimmer switch to ground.

Does the test lamp light?
--
Go to Step 4
Go to Step 3

3

Locate and repair the open in CKT 240 (ORN) between the switch and the mid bussed electrical center (MBEC).

Is the repair complete?
--
System OK
--

4

Connect a test lamp from (back probe) terminal A of the headlamp and panel dimmer switch to ground.

Does the test lamp light?
--
Go to Step 6
Go to Step 5

5

Replace the headlamp and panel dimmer switch. Refer to Headlamp Switch Replacement .

Is the repair complete?
--
System OK
--

6

Connect a test lamp from the INT PRK fuse, located in the left bussed electrical center (LBEC), to ground.

Does the test lamp light?
--
Go to Step 7
Go to Step 8

7

Locate and repair the open in CKT 74 (LT BLU) between the MBEC and the UBEC.

Is the repair complete?
--
System OK
--

8

Locate and repair the open in CKT 74 (LT BLU) between the headlamp and the panel dimmer switch and the LBEC.

Is the repair complete?
--
System OK

Aug 11, 2016 | GMC Sierra Cars & Trucks

1 Answer

How can the lights be disabled that stay on all the time ?


Have you tried replacing the headlamp power relay in the underhood fuse/relay box ?
Headlights Circuit Description
Voltage to the headlamp switch is available at all times from the HDLP SW fuse 7 through CKT 1940 (ORN). When the headlamp switch is turned to the HDLP position, the headlamp power relay coil is energized through CKT 352 (WHT). A signal is also sent to the body control module (BCM) that the headlamp switch is ON. When the headlamp switch is in the AUTO or PARK position, the ambient light sensor (located in the right speaker grill) senses either daylight or darkness and sends the signal to the BCM. When the Ambient Light Sensor detects a dark condition, the BCM produces a signal that will energize the headlamp power relay through CKT 352. The relay coil is grounded through terminal F7 connector 2 of the UBEC to CKT 350 (BLK) to G102. When the headlamp power relay is energized the relay supplies power to the LT HDLP and RT HDLP fuses. The RH low beam headlamp receives current through CKT 198 (DK BLU) from the RT HDLP fuse. The LH low beam headlamp receives current through CKT 712 (YEL/BLK) from the LT HDLP fuse. Both headlamp low beam bulbs are grounded by CKT 524 (PPL) through the UBEC to the multifunction switch (low position) contacts through CKT 10 (YEL) to the headlamp grounding relay in the body relay block through the normally closed contacts to CKT 1850 (BLK) to G200.

Dec 22, 2015 | 1998 Chevrolet S-10 Pickup

1 Answer

Engine light and traction control light on 2006 chevy hhr


Traction control usually uses part of your ABS brake system to function. Sometimes a dirty (or worn out) wheel sensor is the problem that triggers both "check engine" and "traction control"...This can be verified with the proper diagnostic meter, and many shops will perform this test for free...unfortunately the free check at the auto parts stores does not include reading the ABS/Traction sensors...sensor cost is about $65. sometimes they can be cleaned. Hope this helps.

Jul 03, 2014 | 2005 Dodge Grand Caravan

1 Answer

Why is my 98 checy montecarlo have the red hot temarature light on the dash board


If you are saying the light comes on while driving, have you checked the cooling system ??
If it comes on when you turn the key on and stays on, there is a short to ground somewhere in the harness.

Aug 16, 2012 | Cars & Trucks

2 Answers

My service traction control light keeps on going on it then reduces my power engine in my 06 impala


I have a 2006 checy impala and the TCS ( TRACTION CONTROL SERVICE) liught came on..What does this mean?

Feb 25, 2010 | 2006 Chevrolet Impala

1 Answer

How do i fix 2006 chevy hhr headlight


Access to change the headlamp bulbs is through the wheel well. The recommended method is to remove the front tire and then the plastic inner fender liner. Once removed, you'll have easy (more or less) access to the rear of the headlamp housing.

Jun 24, 2009 | 2008 Chevrolet Hhr

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