Question about 2000 Pontiac Grand Prix

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How do you know if your control panel is a cj2

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It should tell you in the manufactures manual or look on internet

Posted on Jan 03, 2013

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Posted on Jan 02, 2017

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Dash lights on2000 corvette dim


Sounds like a ground issue , resistance . Find a wiring diagram here http://www.bbbind.com/free_tsb.html Enter vehicle info. year , make , model , engine . Under system click on body & accessories . Subsystem click on instrumentaion . Click the search button . click the link . Then watch this video on voltage drop testing Mastering Voltage Drop Testing with Pete Meier and Jerry Truglia
Electric Testing Techniques You Need to Know Pull the instrument
cluster to where you can get to the connector plugged into the back an do loaded circuit voltage testing .

Whenever the headlamps or parking lamps are on voltage is supplied to the manually operated dimming level control switch in instrument cluster through the parking lamp feed circuit 9. The output of the dimming level control switch is then converted into a serial data message that is sent through serial data circuit 1036 to the data link connector (DLC) Splice Pack #206. The Body Control Module (BCM) uses this input to control the dimming of the brake transmission shift lock control PNRDL indicator, the HVAC control assembly (C60 or CJ2), and the electronic traction suspension control switch lamp. The brake transmission shift lock control PNRDL indicator is supplied battery voltage at all times through circuit 240. The electronic traction suspension control switch lamp is supplied voltage through the parking lamp feed circuit 9 whenever the headlamps or parking lamps are on. The BCM provides a pulse width modulated (PWM) ground circuit to vary the intensity of the brake transmission shift lock control PNRDL indicator, and the electronic traction suspension control switch lamp. The HVAC control assembly (C60 or CJ2) receives a pulse width modulated (PWM) voltage supply from the BCM to control the intensity of its display. The HVAC control assembly (C60 or CJ2) is grounded through circuit 150 to Splice Pack #202 to G202.
The class 2 data message which is sent out by the instrument cluster is also used by the LH and RH Door Control Modules (DCM) to control the dimming of the LH door switch illumination and the RH door switch illumination. The DCMs supply the 12 volt feed circuit to the door switch illumination lamps and provide a pulse width modulated (PWM) ground circuit to vary the intensity of the illumination lamps

Mar 30, 2017 | 2000 Chevrolet Corvette

1 Answer

How do i bim and brighten dash light 2002 buick lesabre


bim or DIM ? the dimmer switch ! Interior Lamps
The interior lamps consists of two groups, lamps that can not be dimmed and lamps that can be dimmed. This first group consists of lamps that may not be dimmed. This includes those lamps that may be manually turned on by placing the interior lamp switch to the DOME position, or by opening a door or a compartment:
• Door courtesy lamps
• Footwell courtesy lamps
• Instrument panel (I/P) compartment lamp
• Overhead console courtesy lamps
• Reading courtesy lamps
• Rear compartment courtesy lamp
• Roof rail courtesy lamps
• Sunshade vanity mirror lamps

Interior Lamps Dimming
This group of interior lighting includes lamps which may be dimmed. This group uses a combination of class 2 controlled illumination and incandescent lamps:
• Air temperature switch
• Cigar lighter lamp
• Door switches
• Driver information center (DIC) switch
• Headlamp switch
• Head-up display (HUD) switch
• Heated seat switches
• HVAC control assembly
• Instrument panel cluster (IPC)
• Memory function switch
• Radio
• Steering wheel controls
• Window switches
For the interior lighting to be dimmed the following conditions must be met:
• A low light level has been detected by the dash integration module (DIM)
• Headlamp switch is placed in to the PARK or HEAD position
• Ignition switch is placed in the ON position
Then all class 2 displays and all incandescent back lighting will be illuminated to the level set by the instrument panel (I/P) dimmer switch. When the I/P dimmer switch is moved from MIN to MAX, all class 2 displays and all incandescent back lighting respond from minimum intensity to maximum brightness.
The DIM supplies battery positive voltage to the coil side of the PRK LP relay in the rear fuse block.
When the I/P dimmer switch is moved from MIN to MAX, then the instrument panel module (IPM), W/CJ2, or climate control panel (CCP), W/C67, applies a message to the class 2 communication circuit to the DIM. The DIM then applies a ground to the park lamp relay control circuit. This energizes the PRK LAMP relay and allows battery positive voltage to be applied through the DIMR fuse to the DIM. The DIM then illuminates the following incandescent lamps through the incandescent dimming output circuit:
• Cigar lighter lamp
• DIC Switch
• Headlamp switch
• HUD switch
• HVAC control assembly
• IPC
• Radio
• Steering wheel controls
The DIM also applies a message to the following class 2 controlled illumination components:
• Drivers door module (DDM)
• HVAC control assembly
• IPC
• Radio
The DDM will then send a message through the simple bus interface (SBI) to the RH front door module (RFDM). The door modules will then illuminate the following components through the incandescent dimming output circuit:
• Air temperature switch
• Heated seat switches (W/KA1)
• Memory function switch (W/A45)
• Power door lock switches
• Power window switches
The ground for these components are provided from the DDM and RFDM.
The following components are grounded at G200:
• Headlamp switch
• HVAC control assembly
• IPC
• Radio
• Steering wheel controls
The following components are grounded at G201:
• Cigar lighter lamp
• DIC Switch
• HUD switch

Mar 13, 2017 | 2002 Buick LeSabre

1 Answer

REPLACING ac heater programmer in my 1999 cadillac deville


Why ?
Programmer Description
The heater and A/C programmer is attached to a bracket. The bracket is located next to the right end of the heating, ventilation, and air conditioning (HVAC) module assembly, behind the glove box. The heater and A/C programmer provides the controls for temperature regulation.
The heater and A/C programmer controls an electric actuator. The electric actuator adjusts the air mix valve position in order to blend cold and warm air. Vehicles with dual zone (CJ2) have 2 electric actuators that mix the air independently of each other. The motor is reversible and moves a rotary shaft which drives the air mix valve link. The motor also provides a position sensor signal in order to monitor the actual valve position.
The heater and A/C programmer operates the 4 vacuum solenoids. The solenoids control vacuum to the various vacuum actuators. The vacuum actuators control the following components:
• The air inlet valve
• The A/C DEFROST valve
• The UP/DOWN valve
The heater and A/C programmer also controls the park brake release actuator. The powertrain control module (PCM) sends a Class 2 serial data message to the heater and A/C programmer whenever the transmission is shifted out of PARK or NEUTRAL. The heater and A/C programmer will then supply vacuum to the park brake release solenoid, which releases the park brake.
The heater and A/C programmer sometimes is referred to as the air control module (ACM). This reference is commonly used by a scan tool and by the diagnostic trouble codes (DTCs).
.

Dec 20, 2016 | 1999 Cadillac DeVille

2 Answers

2001 Buick Lesabre...no power to anything forward of the windshield. winshield back is ok.all fuses are good. scanning tool is blank??? has only 71k miles on it. prior to going blank showed C1242


I think I may have the answer for you!
When cars are assembled at the factory, they start off with the metal body, already painted.
One of the first steps is to add the various wiring harnesses.
(Your car likely has about a total of 15 or 20 separate harnesses.) There is a main one that goes from the firewall below the windshield to the front of the car, it is plugged in to another one that goes from the firewall to the fuse box/circuit breaker box under the dashboard.
I suspect you car to have been in a serious collision that caused the plug to come loose from it's socket in the firewall. Or, a body shop could have removed and replaced that harness if the wires were smashed or broken in a fender bender.
Anyway, suspect a loose plug or two where the harnesses attach at the firewall.
God bless your efforts.

Dec 06, 2016 | Buick Cars & Trucks

1 Answer

Do you access the blower motor on an 04 bonneville from under the hood or passenger side behind the glove box?


passenger side under the glove box ,
Remove the right side sound insulator. Refer to Instrument Panel Insulator Panel Replacement - Right Side in Instrument Panel, Gages and Console.
Disconnect the electrical connector (1) from the blower motor.
Disconnect the blower ventilation tube (2) from the module.
Remove the blower motor screws (3).
Remove the blower motor from the housing.
Instrument Panel Insulator Panel Replacement - Right Side
Removal Procedure
Remove the fasteners at the rear edge of the insulators in order to disengage from the lower instrument panel.
Pry out the retainers in order to release.
Turn the heater temperature sensor 1/4 turn in order to release and allow to remain connected to its wire (CJ2 vehicles only).
Disconnect the electrical connectors.
Slide the insulator rearward in order to remove.

Sep 11, 2016 | 2004 Pontiac Bonneville

1 Answer

While driving car will shut down along with all guages . after it sets it will start


This sounds more like a control module problem ! This mechanic ,did he hook up a scan tool an see if he could communicate with all the modules on the vehicle ? I have had vehicles that ran for 10 to 15 minutes then shut down an after it cooled down it started right up ! Ignition control module problem .That was back in the 80's . The amount of control modules on these vehicles today, an serial data bus communications , anything could cause your problem !
Class 2 Serial Data Link
The data link is configured as a ring with discrete lines entering and leaving each module. This allows communications to the modules on the ring if one of the two discrete circuits is open.
A total list of the control modules on the Class 2 Serial Data Line can include the following:
?€¢
Dash Integration Module (DIM)


?€¢
Driver Door Module (DDM)


?€¢
Electronic Brake Control Module (EBCM)


?€¢
Head Up Display (HUD) w/UV6


?€¢
HVAC Control Module w/C67


?€¢
Inflatable Restraint Sensing and Diagnostic Module (SDM)


?€¢
Instrument Panel Cluster (IPC)


?€¢
Instrument Panel Integration Module (IPM) w/CJ2


?€¢
Memory Seat Module (MSM) w/A45


?€¢
Powertrain Control Module (PCM)


?€¢
Radio


?€¢
Rear Integration Module (RIM)


?€¢
Remote Control Door Lock Receiver (RCDLR)


?€¢
Remote Playback Device - CD Changer w/U1S


?€¢
Theft Deterrent Control Module


?€¢
Vehicle Interface Unit (VIU) w/UE1

The following modules have only one communication line connection to the Class 2 data circuit:
?€¢
Driver Door Module (DDM)


?€¢
Head Up Display (HUD)


?€¢
Memory Seat Module (MSM) w/A45


?€¢
Vehicle Interface Unit (VIU) w/UE1


One of the first thing's I do is check for communication with scan tool an check for DTC's Then power an grounds at the modules ! You could have a sensor starting to go bad , shorting out when hot !

Feb 14, 2015 | 2001 Pontiac Bonneville

1 Answer

97 buick century has no data from OBD2 scanner.


The protocol is class 2 . Maybe your code reader is no good .
012 GM Class II Communications

Data Link Connector (DLC)
The data link connector (DLC) contains the following serial data links:
• Class II
• Entertainment and Comfort (E&C)
The DLC also provides a power source for the scan tool as follows:
• Unswitched voltage (B+) at DLC terminal 16 (circuit 1450)
• Ground at terminal 4 (circuit 1450) and terminal 5 (circuit 1550)

Class II Serial Data Link
The class II serial data link allows the following modules to communicate data with each other:
• Body control module (BCM)
• Electronic brake traction control module (EBTCM)
• Heater-A/C control (if equipped with RPO CJ2)
• Instrument panel cluster (IPC)
• Powertrain control module (PCM)
• Inflatable Restraint Sensing and Diagnostic Module (SDM).
The Class II serial data link allows a Scan Tool scan tool to communicate with the above modules for diagnostic and testing purposes. The Class II serial data link is located at the DLC connector terminal 2. Terminal 2 consists of the following circuits:
• Circuit 1036
• Circuit 1037
• Circuit 1128
• Circuit 1049
• Circuit 1122
• Circuit 1132
Entertainment and Comfort (E&C) Serial Data Link
The entertainment and comfort (E&C) serial data link allows a scan tool to communicate with the radio or the mobile telephone handset the remote CD player (if equipped). This communication is for diagnostic and testing purposes. The E&C serial data link is located at the DLC connector terminal 14, circuit 835.
PIN #9 goes to the air bag module .

Aug 04, 2017 | 1997 Buick Century

1 Answer

Need fuse box pannel to see what fuse is what


FUSE USAGE

1. 10 AMP LOW BEAM-LEFT
2. 10 AMP LOW BEAM-RIGHT
3. 30 AMP BRKR POWER WDO/SUNROOF
4. 30 AMP BRKR PWR ACSRY
5. 20 AMP BRKR LIGHNG CONTROL MODULE
6. 15 AMP IGN/REM ACSRY CONT/INST CSTR
7. 10 AMP SUPPLEMENTAL INFLATABLE RST
8. 20 AMP CORNERING LPS/TURN SIG
9. 10 AMP CRANK SIGNAL-SIR
10. 20 AMP TRK REL/FUEL FILL REL/BACK-UP LPS
11. 15 AMP BAT/RADIO/PWR ANT/CIG LGTR/ INST CSTR
12. 20 AMP ELECTRONIC LEVEL CONTROL
13. 20 AMP BRAKE & HAZARD LAMPS
14. 15 AMP PARK LAMPS
15. 15 AMP COURTESY LPS/PWR MIRRORS
16. 10 AMP COOLING FAN
17. 25 AMP HEATING/AIR CONDITIONING (C67)
18. 15 AMP A/C AUTOMATIC ELECTRONIC (CJ2)
19. 10 AMP ANTILOCK BRAKES
20. 10 AMP LOW COOLANT/LAMP MONITOR
21. 10 AMP IP LIGHTS
22. 10 AMP HI BEAM-RIGHT
23. 10 AMP HI BEAM-LEFT
24 10 AMP IGNITION/RADIO
25 25 AMP WIPER/WASHER

FOR ACCESS TO ADDITIONAL FUSES
REMOVE RIHT SOUND INSULATOR

May 16, 2009 | 1991 Buick Park Avenue

1 Answer

1995 Buick Lesabre- heater blower


Notes Electronic Automatic (RPO C68)/ Dual Zone Air Conditioning (RPO CJ2) 62396444

Jan 09, 2009 | 1996 Buick LeSabre

2 Answers

Diagram fuse inside car


Your fuse panel is located by the emergency brake.Depress the two tabs and the fuse box will swing down, the panel diagram is written on the panel door.

Jul 22, 2008 | 1992 Buick Park Avenue

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