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Where exactly is the switch for the air suspension compressor on a 2006 Buick Lucerne CXL?


The automatic level control (ALC) system maintains a desired rear suspension position under all types of towing, hauling, and loading conditions.
The system uses the electronic suspension control module (ESCM), ALC relay, ALC compressor assembly, air dryer, air lines, LR and RR shock absorbers with integral air chambers, LR and RR suspension position sensors, exhaust valve, driver information center (DIC), and the serial data circuit to perform the system functions.
What switch ? there are sensors at the wheels that control the system .
The system uses the automatic level control module (ALCM) with integral suspension position sensor, ALC relay, ALC compressor assembly, air dryer, air lines, LR and RR shock absorbers with integral air chambers, exhaust valve, driver information center (DIC), and the serial data circuit to perform the system functions.

The

Jul 10, 2016 | Buick Cars & Trucks

1 Answer

P1775 code in showing up on my 2008 jeep wrangler x. How do you fix that?


we can not answer what you can do or fix.
only how to diagnose, or is this just a please guess for me post?
got tools, got a real scan tool?
is this a 5 buck code reader that misses most codes.
or a real one (ask for good tools)
if a real tool, it will show all codes, and you must know them all
or go astray. P0841? present? too>?

42RLE box.::: one code only, my guess.

i have this car, (m/t) and full FSM, on it,
Ill decode this and tell you what page to read in the FSM
it shows what to do next and the tests to prove this out.
P= power train
P1 means factory code ( so dont read ford codes)
SOLENOID SWITCH VALVE LATCHED IN TCC POSITION
TCC means torque converter clutch. lock up device. failure.
that means transmission, (id didnt say its bad)
the transmission on your car is automatic, unlike my stick
it has a TCM brain, hidden in the PCM brain
but its real and there. for sure. inside.
and it shifts for you, this brain,. in DRIVE

here is the 1st page on this code. in fsm book.

The Solenoid Switch Valve, an internal, hydraulically operated valve, controls the direction of the transmission
fluid when the LR solenoid is energized. When the solenoid switch valve is in the downshifted position and the
LR solenoid is energized, fluid is directed to the LR element for 1st gear. When the solenoid switch valve is In
the up-shifted position (2nd, 3rd, and 4th gear) and the LR solenoid is energized, fluid is directed into the
Lockup Switch Valve which controls the Torque Converter Clutch. When shifting into 1st gear, a special
sequence is followed to insure solenoid switch valve movement into the downshifted position. The LR pressure
switch is monitored to confirm switch valve movement. If the solenoid switch valve movement is not confirmed
(i.e. no LR pressure when the LR solenoid is energized), 2nd gear is substituted for 1st. No 1st gear (2nd gear is
substituted). The transmission Torque converter FEMCC operation is inhibited. MIL on after 5 min. of
substituted operation.
Monitor Conditions
When Monitored:
Prior to a shift into 1st gear.
possible causes:
RELATED DTC P0841 PRESENT?
(T16) TRANSMISSION CONTROL OUTPUT CIRCUIT OPEN
(T50) L/R PRESSURE SWITCH SENSE CIRCUIT OPEN
(T50) L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND
(T50) L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
INTERNAL TRANSMISSION
POWERTRAIN CONTROL MODULE

the book says have the dealer
do a full transmission check using there (unique) fancy tool..
seems to be good advice.

below is the interface tcm.<> box.
solenoid and read back switches.
if the trans is not bad, then this switch is bad (fibbing)
or the wires rusty there... re-seat them yet?


25790628-45ach20vyw31nj2wu4lwuewn-5-0.jpg

Jul 20, 2015 | Jeep Cars & Trucks

1 Answer

Do you have switch schematics


No diagram available, but wiring is as follows: PPL/BLU wire connects power from FUSE 21 in the interior fuse panel; Pin 1 - WHT/PPL to RF window switch; Pin 2 - YEL/PPL to RF window switch; Pin 3 - WHT to RR window switch; Pin 4 - YEL to RR window switch; Pin 5 - N/C; Pin 6 - WHT to LF window motor; Pin 7 - YEL/GRN to one touch down window relay; Pin 8 - WHT/BLU to LR window switch; Pin 9 - YEL/BLU to LR window switch; Pin 10 - ORG/YEL to interior lights system. A second PPL/BLU wire connects the rear cut off switch to the left and right rear window switches.

Jun 21, 2014 | Drills

1 Answer

I have a 2000 Ford Taurus sedan and the back driver side window is the only one that has power, what could be the problem?


power at the back driver's door switch or at the driver's master switch? if power on the master switch cotrols the lr window then you most likely have bad master window switch. if the lr door switch is used to control the lr window then most like you have three bad window motors.

May 26, 2012 | 2000 Ford Taurus

2 Answers

What this code is p-1784


P1784-LR PRESSURE SWITCH SENSE CIRCUIT
This is a transmission fault code. Diagnosing it will require the DRB3 scan tool, or equivalent aftermarket scanner, and the transmission simulator tool.
---------------
Remove the VB(valve body) and the solenoid pack is easy to change and a shift kit comes with a non stick switch valve.In most of the cases is faulty solenoid pack causing this eror code.But there are other possibilities to.
P1784-LR PRESSURE SWITCH SENSE CIRCUIT

When Monitored and Set Condition:
P1784-LR PRESSURE SWITCH SENSE CIRCUIT

When Monitored: Whenever the engine is running.

Set Condition: The appropriate code is set if one of the pressure switches are open or closed at the wrong time in a given gear.

POSSIBLE CAUSES
LOSS OF PRIME P1791 PRESENT.
RELATED RELAY DTC

Feb 23, 2011 | 2000 Jeep Grand Cherokee

1 Answer

Hi I need the wiring diagram for the radio harness


Hello! Black=Ground...Blue=Antenna...Red=+12volts constant (memory)...Yellow=Switched +12volts...

Left front+White...LF- White/black...RF+Gray..RF- Gray/Black...LR+Green...LR-Green/Black...RR+Purple
RR-Purple/Black.............

Guru...........saailer

Feb 04, 2010 | Sony CDX-GT110 CD Player

2 Answers

Code p1784 is pressure switch circuit:LR How to


you'll need to have a transmission shop check the wiring harness in the transmission first ,then they can repair it,this is not a job to be doing yourself,

Jan 26, 2010 | 2000 Dodge Dakota Quad Cab

1 Answer

Need wire color codes for 2000 cavalier stock radio


Battery ORANGE (+) RADIO HARNESS
Accesory need to go to the ign switch cause radio does not provide a switch source.
Ground BLACK (-) RADIO HARNESS
Illumination GRAY (+) RADIO HARNESS
Amp Turn On PINK (+) RADIO HARNESS
LF Speaker (+) TAN
LF Speaker (-) GRAY
RF Speaker (+) LIGHT GREEN
RF Speaker (-) DARK GREEN
LR Speaker (+) BROWN
LR Speaker (-) YELLOW
RR Speaker (+) DARK BLUE
RR Speaker (-) LIGHT BLUE

Feb 25, 2009 | Car Audio & Video

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