Manual reparacion Jeep Compass - Patriot Limited 2007-2009_Cruise control

2009 ACCESSORIES & EQUIPMENT
Speed Control - Service Information - Compass & Patriot
DESCRIPTION
DESCRIPTION
The speed control system is fully and electronically controlled by the Powertrain Control Module (PCM). A
cable and a vacuum controlled servo are not used. This is a servo-less system. The switch is labeled:
ON/OFF, RES/ACCEL, SET, COAST, and CANCEL.
The system is designed to operate at speeds above 25 mph (40 km/h).
OPERATION
OPERATION
When speed control is activated by depressing the ON switch, the PCM allows a set speed to be stored in RAM
for speed control. To store a set speed, depress and release the SET switch while the vehicle is moving at a
speed between 25 and 85 mph (40 km/h and 137 km/h). In order for the speed control to engage, the brakes
cannot be applied, nor can the gear selector be indicating the transmission is in Park or Neutral (ATX) or
1st/2nd gear (MTX). The speed control can be disengaged manually by:
Stepping on the brake pedal
Depressing the OFF switch
Depressing the CANCEL switch.
Depressing the clutch pedal
Operating in 1st or 2nd gear (autostick, if equipped)
For added safety, the speed control system is programmed to disengage for any of the following conditions:
An indication of Park or Neutral
A rapid increase RPM (indicates that the clutch has been disengaged)
Excessive engine RPM (indicates that the transmission may be in a low gear)
The speed signal increases at a rate of 10 mph (16 km/h) per second (indicates that the co-efficient of
friction between the road surface and tires is extremely low)
WARNING: the use of speed control is not recommended when driving conditions do
not permit maintaining a constant speed, such as in heavy traffic or on
roads that are winding, icy, snow covered, or slippery.
NOTE: Turning the system off by depressing the OFF switch or turning off the ignition
switch will erase the set speed stored in the PCM.
2009 Jeep Patriot Limited
2009 ACCESSORIES & EQUIPMENT Speed Control - Service Information - Compass & Patriot
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Saturday, September 08, 2012 11:39:12 AM Page 1 © 2006 Mitchell Repair Information Company, LLC.
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The speed signal decreases at a rate of 10 mph (16 km/h) per second (indicates that the vehicle may have
decelerated at an extremely high rate)
If the actual speed is greater than 20 mph (32 km/h) over the set speed.
Autostick shifts into 1st or 2nd gear (autostick, if equipped)
Once the speed control has been disengaged, depressing the RESUME switch when speed is greater than 20
mph (32 km/h) allows the vehicle to resume control to the target speed that was stored in the PCM.
While the speed control is engaged, the driver can increase the vehicle speed by depressing the ACCEL switch.
The new target speed is stored in the PCM when the ACCEL switch is released. The PCM also has a tap-up
feature in which target speed increases by 2 mph (3 km/h) for each momentary switch activation of the ACCEL
switch. The PCM also provides a means to decelerate to a new lower target speed without disengaging speed
control. Depress and hold the COAST switch until the desired speed is reached, then release the switch.
The PCM also has a Tap Down feature in which target speed decreases at 1 mph (1.5 km/h) for each momentary
switch activation of the coast switch.
DIAGNOSIS AND TESTING
CHECKING FOR DIAGNOSTIC CODES
When trying to verify a speed control system electronic malfunction: Connect a scan tool if available to the data
link connector. The connector is located near the steering column, and at lower edge of the dash panel.
A speed control malfunction may occur without a diagnostic code being indicated. For further information and
usage of the scan tool and a more complete list of Diagnostic Trouble Code and No Trouble Codes, refer to the
appropriate ELECTRICAL DIAGNOSTICS article.
ROAD TEST
Perform a vehicle road test to verify reports of speed control system malfunction. The road test should include
attention to the speedometer. Speedometer operation should be smooth and without flutter at all speeds.
Flutter in the speedometer indicates a problem which might cause surging in the speed control system. The
cause of any speedometer problems should be corrected before proceeding. Refer to the Instrument Cluster for
speedometer diagnosis.
If a road test verifies an inoperative system, and the speedometer operates properly, check for:
A Diagnostic Trouble Code (DTC). If a DTC exists, conduct tests per the Powertrain Diagnostic
Procedures.
A misadjusted brake (stop) lamp switch. This could also cause an intermittent problem.
Conduct electrical test at PCM.
CAUTION: When test probing for voltage or continuity at electrical connectors, care
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SWITCH, SPEED CONTROL
REMOVAL
REMOVAL
Fig. 1: Driver Airbag Remove/Install
Courtesy of CHRYSLER LLC
1. Disconnect and isolate the negative battery cable before beginning steering wheel removal. Allow the
front airbag system capacitor to discharge for two minutes before removing the steering wheel or any
front airbag system component.
2. Turn off ignition.
3. Remove the driver's side airbag. Refer to Restraints/AIR BAG, Driver - Removal .
must be taken not to damage connector, terminals or seals. If these
components are damaged, intermittent or complete system failure may
occur.
WARNING: Disconnect and isolate the battery negative (ground) cable before
beginning steering wheel removal or installation. Allow the front airbag
system capacitor to discharge for two minutes before removing the
steering wheel or any front airbag system component. This will disable
the front airbag system. Failure to disconnect the battery could result in
accidental front airbag module deployment and possible personal injury.
Do not place a non-deployed airbag face down on a hard surface as the
airbag will propel into the air if accidentally deployed, and could result in
serious or fatal injury.
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Fig. 2: Horn Switch
4. Disconnect electrical connector (1) from horn switch (2).
5. Remove mounting screws (3) and horn switch (2) from steering wheel.
Fig. 3: Speed Switch
6. Disconnect electrical connector (1) from speed control switch (3).
7. Remove screws (4) from speed control switch (3).
8. Remove speed control switch (3) from steering wheel.
INSTALLATION
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INSTALLATION
Fig. 4: Speed Switch
1. Install speed control switch (3) onto the locating pin (2) in the steering wheel. Make sure rubber seal is in
place around switch.
2. Install speed control switch mounting screws (4) and tighten screws to 1.6 N.m (15 ins. lbs.).
3. Connect electrical connector (1) to speed control switch (3).
Fig. 5: Horn Switch
4. Install horn switch (2) to steering wheel.
5. Install horn switch mounting screws (3) and tighten screws to 8 N.m (71 ins. lbs.).
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Fig. 6: Driver Airbag Remove/Install
6. Install driver's side airbag. Refer to Restraints/AIR BAG, Driver - Installation .
7. Connect negative battery cable, tighten nut to 5 N.m (45 in. lbs.).
8. Verify vehicle and system operation.
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Manual reparacion Jeep Compass - Patriot Limited 2007-2009_Cruise control

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