How do i install Switch Assembly turn signal Cruise control PART AUTO for a 2002 Impala.

Do you know how it works ? What controls it ?

Did you hook up a scan tool an check for DTC'S - diagnostic trouble codes ?

Cruise Control Description and Operation
Cruise control is a speed control system that maintains a desired vehicle speed under normal driving conditions. However, steep grades may cause variations in the selected speeds. The electronic cruise control system has the capability to CRUISE, COAST, RESUME SPEED, ACCELERATE, TAP-UP or TAP-DOWN.
The main parts of the cruise control system are:
• The powertrain control module (PCM)
• The function control switches
• The stop lamp switch assembly
The cruise control system uses the powertrain control module (PCM) to maintain the desired vehicle cruise speed . The PCM assembly contains a low speed limit which will prevent system engagement below a minimum speed of 40 km/h (25 mph). The PCM assembly is not serviceable.
Cruise control operation is controlled through the function control switches located on the multifunction turn signal lever. The cruise control function control switches includes the ON/OFF, SET/COAST, R/A (resume/accelerate). The switch assembly provides driver control of the cruise control system.
The stop lamp switch is used to disengage the cruise control. A cruise control release switch circuit and a stop lamp switch circuit are used. The stop lamp switch is mounted to the brake pedal bracket . To disengage the system the driver presses the brake pedal. The speed of the vehicle at brake actuation will be stored in the memory of the PCM.
With cruise control, the vehicle can maintain a speed of about 40 km/h (25 mph) or more without keeping your foot on the accelerator. When the driver turns off the cruise control ON/OFF switch or ignition switch, the cruise control turns off. The vehicle speed stored in the memory of the PCM will be lost.
Ignition positive voltage is supplied from the HVAC fuse, to the cruise control switch. When the cruise control ON/OFF switch is on, ignition positive voltage is applied to the cruise on switch signal circuit terminal of the PCM. If the driver has not pressed the brake pedal, ignition positive voltage is supplied through the stop lamp switch, TCC/Brake signal contacts to the cruise control brake pedal switch signal circuit terminals of the PCM. Cruise control is canceled when the driver presses the brake pedal. The stop lamp switch contacts close, applying battery positive voltage to the stop lamp signal circuit of the PCM. At the same time, the TCC/Brake contacts of the stop lamp switch open and voltage is removed from the brake pedal signal circuit at the PCM. When pressing the SET/COAST button on the multifunction turn signal lever, ignition positive voltage is applied to the set/coast switch signal terminal of the PCM. When pressing the R/A (resume/accelerate) on the control switch, ignition positive voltage is applied to the resume/accelerate switch signal terminal of the PCM.
When the cruise switch is in the ON position, and the driver presses the SET/COAST button, the PCM then checks to see that the cruise control enable criteria is met. If the cruise control criteria has been met the PCM sends a class 2 message to the instrument panel cluster (IPC) to illuminate the cruise light.
The PCM will inhibit cruise control:
• When the PCM detects that the center high mounted stop lamp (CHMSL) in not operating properly.
• When vehicle speed is less than 40 km/h (25 mph).
• When in PARK, REVERSE, NEUTRAL, or 1st gear.
• With low engine RPM
• With high engine RPM (fuel cut-off)
• When vehicle speed is to high
• When an over or under charged battery voltage condition exists
• Antilock brake system/traction control system is active for more than 2 seconds
If the PCM determines that any of the cruise control inhibit conditions are present, the PCM will disengage the cruise control. If the PCM disables the cruise control for an inhibiting event it will record the reason for disengagement in the Disengage Definition data file.

Do you know how to test electrical circuits with a DVOM - digital volt ohmmeter, looking at a wiring diagram for the CC so you know what wires to test , if not your best bet might be to take it to a qualified repair shop .

Which engine ?
Cruise Control Description and Operation (3.6L)
Cruise Control Description and Operation (3.4L)

Do you know what all is involved in C.C. operation ?


Cruise control is a speed control system that maintains a desired vehicle speed under normal driving conditions at speeds above 40km/h (25 mph). However, steep grades may cause variations in the selected speeds. The main components of the cruise control system are:
• The cruise control module assembly
• The cruise control switches
• The cruise control release switch
• The powertrain control module (PCM)
• The stoplamp switch assembly
• The vehicle speed sensor


The cruise control module controls the operation of the cruise control system. The cruise control module monitors the signal circuits of the cruise control switches. When the normally open cruise On/Off switch closes with a switch activation, the cruise control modules detects a high voltage on the signal circuit. The cruise control module activates the cruise control system.The set/coast switch and the resume/accel switch will not operate the system when the cruise control module has not activated the system based on the cruise control on/off switch signal circuit .
The cruise control module monitors the cruise control set/coast switch in order to determine when to capture and maintain the vehicle speed. The cruise control module monitors the vehicle speed signal circuit in order to determine the desired speed. The PCM pulses the vehicle speed signal circuit at 4000 pulses per minute. After an initial set speed has been established, the cruise control module also uses the cruise control set/coast switch signal circuit in order to tap down the set speed when the cruise control module detects a switch activation.
The cruise control module monitors the cruise control resume/accel switch signal circuit in order to determine when to resume the previous set speed. This feature only works within the same ignition cycle and as long as the cruise wasn't turned off using the cruise control On/Off switch since the last cruise engagement. After the set speed has been resumed, the cruise control module also uses the cruise control resume/accel switch signal circuit in order to tap up the set speed when the cruise control module detects a switch activation.
The cruise control module assembly has a controller and an electric stepper motor to vary the throttle in each different cruise control mode. Two components in the module assembly help to do this. The electronic controller and the electric stepper motor. The controller monitors vehicle speed and operates the stepper motor. The stepper motor operates in response to the controller, to maintain the desired cruise speed. The electric stepper motor moves a strap that is attached to the cruise control cable which moves the throttle

It's probably a problem with cruise control module , located under the hood in engine compartment . Or a bad connection somewhere . Do you know how to do electrical testing ? Is the air bag light lit on the instrument cluster ?

Could have DTC'S - diagnostic trouble code's stored .
DTC P1554
The powertrain control module (PCM) inhibits cruise control operation when certain conditions are not appropriate for cruise control operation. The PCM removes the ground from the cruise control inhibit signal circuit in order to disengage cruise control operation.
DTC P1585
Output driver modules (ODMs) are used by the powertrain control module (PCM) in order to turn on many of the current driven devices that are needed to control various engine and transaxle functions. DTC P1558 set indicates that an improper voltage level has been detected on the signal circuit which controls the cruise control inhibit circuit.
Action Taken When the DTC Sets
• The PCM will not illuminate the malfunction indicator lamp (MIL).
• The PCM will store the conditions present when the DTC set as Failure Records data only.

Cruise control is a speed control system that maintains a desired vehicle speed under normal driving conditions. However, steep grades may cause variations in the selected speeds. The electronic cruise control system has the capability to CRUISE, COAST, RESUME SPEED, ACCELERATE, and TAP-UP or TAP-DOWN.
The main parts of the cruise control system are:
• The cruise control module assembly
• The function control switches
• The cruise control release switch
• The clutch pedal position switch (CPP), if equipped
• The stop lamp switch assembly
• The vehicle speed sensor
The cruise control system uses the cruise control module assembly to maintain the desired vehicle cruise speed and operation. The cruise control module assembly has an electronic controller and an electric stepper motor to vary the throttle in each different cruise control mode. The electric controller monitors vehicle speed and operates the electric stepper motor. The stepper motor operates in response to the electronic controller, to maintain the desired cruise speed. The electric stepper motor moves a strap that is attached to the cruise control cable which moves the throttle linkage. The cruise control module assembly contains a low speed limit which will prevent system engagement below a minimum speed of 40 km/h (25 mph). The module assembly is not serviceable.

Things to check:

1. Fuse;
2. Operation of actuator switch;
3. Connections to cruise control unit under hood;
4. Brake pedal switch (common problem)

Are you sure that is what you need to replace ? Do the turn signals work ? May be the turn signal hazard flasher module is bad ! How To Install Turn Signal Wiper Cruise Control Switch 2002 09 GMC Envoy...

If your 3rd brake light always works, then the problem is the turn signal switch. To repair, you have to remove the steering wheel and air bag and replace the turn signal switch. If you have radio controls and or cruise controls on the steering wheel it will make a difference in which turn signal switch is the correct one. You will need some specialty tools to do this job such as a steering wheel puller and a compression tool and snap ring tools. Handling the airbag safely is very important, as it can severely injure you. If you have average or more mechanical skills, you can do it.

If the 3rd brake light does not always work, it could be a different problem.

i have 2001 Audi is a liking gas problem

1. If equipped with an air bag, disable the system as outlined in of this repair guide.
2. If not done already, disconnect the negative battery cable.
3. Remove the steering wheel, as outlined earlier in this section.
4. Remove the shaft lock cover.
5. Remove the shaft lock retaining ring using a suitable lock plate compressor tool to press down the shaft lock. Dispose of the ring.
6. Remove the shaft lock.
7. Remove the turn signal canceling cam assembly.
8. Remove the upper bearing spring.
9. Remove the thrust washer.
10. Move the turn signal lever up, into the "right turn" position.
11. Remove the multi-function lever.
12. Remove the turn signal switch arm retaining screw.
13. Remove the turn signal switch screws and let the switch hang freely.
14. Remove the key from the lock cylinder set.
15. Remove the buzzer switch assembly.
16. Reinsert the key in the lock cylinder.
17. Turn the key to the LOCK position.
18. Remove the lock retaining screw and remove the lock cylinder.
19. If equipped with cruise control, remove the housing cover end cap, unplug the cruise control connector and gently pull through the shroud, bowl, and steering column housing assembly.
20. Remove the washer head screw, the hex nut and dimmer switch.
21. Remove the mounting stud and ignition switch.
22. 1. If equipped with cruise control, gently pull the connector through the steering column housing assembly, bowl and shroud and connect the plug.
    2. Install the housing cover end cap and screw and tighten to 17 inch lbs. (1.9 Nm).
    3. Install the ignition switch and mounting stud and tighten the stud to 35 inch lbs. (4.0 Nm). Adjust the ignition switch by moving the switch slider to the extreme left position and then move the slider 1 detent to the right (off lock).
    
    See Figure 1
    
    
    Fig. Fig. 1: Ignition switch adjustment procedure
    
    1. Install the dimmer switch hex nut, screw, and tighten to 35 inch lbs. (4.0 Nm). Adjust the dimmer switch.
    2. To adjust the dimmer switch, depress the switch slightly to allow insertion of a 3 / 32 in. drill bit into the hole above the actuator rod. Force the switch upward then tighten the screw.
    
    See Figure 2
    
    
    Fig. Fig. 2: Dimmer switch adjustment procedure
    
23. Install the switch using the original screws. Use of screws that are too long could prevent the column from collapsing on impact.
24. Install the lock cylinder and retaining screws and tighten to 40 inch lbs. (4.5 Nm).
25. Turn the key to the RUN position.
26. Install the buzzer switch assembly.
27. Install the turn signal switch and retaining screws and tighten to 31 inch lbs. (3.5 Nm).
28. Install the wire protector shield.
29. Install the turn signal switch arm and retaining screw and tighten to 29 inch lbs. (2.3 Nm).
30. Install the hazard knob assembly.
31. Install the multi-function lever.
32. Install the thrust washer and upper bearing spring.
33. Lubricate with synthetic grease and install the turn signal canceling cam assembly.
34. Install the shaft lock.
35. Install a new shaft lock retaining ring. Align it to the block tooth on the shaft, using a lock plate compressor tool to press down the shaft lock.
36. Install the shaft lock cover.
37. Install the steering wheel, as outlined earlier in this section.
38. Connect the negative battery cable. If equipped, enable the air bag system as outlined in of this repair guide.

Check the cruise control module connector, see if it looks good and there is power to the module over one of the white wires in the 10 pin connector.
There are two white wires going to the module which is located at pins "G" and "J". There should be no voltage at pin "G" until the brake switch is applied. This switch is also used to operate the brake lights. The two wire colors on this switch are white and orange. At pin "J", this signal goes to the PCM to tell it that the cruise control module is engaged. Here is the info on the cruise control connector:

Pin A: gray - cruise control on switch signal: 12VDC with cruise switch on
Pin B: dark blue - cruise control set/coast switch signal: 12VDC with switch pressed
Pin C: gray/black - cruise control resume/accel switch signal: 12VDC with switch pressed
Pin D: brown - cruise control release signal: 12VDC with brake pedal not pressed: 0V when pressed
Pin E: black/white - ground
Pin F: brown - ignition 3 voltage: 12VDC with ignition on
Pin G: white - stop lamp switch signal: 0V with brake pedal not pressed: 12VDC when pressed
Pin H: dark green - cruise control inhibit signal: 0V if PCM detects an inhibit condition
Pin J: white - cruise control engaged signal: voltage (unsure of value, either 12VDC or 5VDC) when signal engaged
Pin K: dark green - vehicle speed signal: 1 to 5 volts depending on speed

This view of connector is facing it after it is separated.

Trying to post the connector view, the lines may not quite line up, but at least it should show you the pin positions.

| F  G H J K |

| E D C B A | 

whats odd is my chevy impala 2002 is doing the same.. did u ever fix it