Question about 1991 Toyota MR2

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My cruise control does not work all the time and when it does it will speed up on it own and then cut off and will not come back on.

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Try swapping out the CC Module.

Posted on Jan 10, 2010

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Cruise control not working


cruise controls are dependent on the following sensors all working together
brake sensor
clutch sensor
auto--vehicle speed sensor
rpm's sensor
fuse for the cruise control
cruise control switch either or all not working will stop the cruise control from engaging
road speed at which you can engage the cruise control has to be above a reset speed before it will cut in and work

Sep 05, 2015 | 2009 Chevrolet Chevrolet Equinox LS

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TROUBLESHOOTING WHY YOUR CRUISE CONTROL DOESN'T WORK


There are many things that can cause your cruise control to act up or not work at all. This article will lead you in the correct direction on finding a solution to your problem. This article is for any type of vehicle.<br /> <br /> <b>If your cruise control won't hold proper speed, </b>you need to look at the following parts. <br /> <ol> <li>Faulty Cruise Control</li> <li>Faulty Speed Sensor</li> <li>Faulty Vacuum or Vent Valve</li> <li>Faulty Stepper Motor</li> <li>Faulty Transducer</li> <li>Incorrect Cable Adjustment</li> <li>A Binding Throttle Linkage</li> <li>Leaking Vacuum Tank</li> <li>Leaking Vacuum servo diagram</li></ol> <b>If your cruise control surges, </b>check the following parts.<br /> <ol> <li>Faulty Cruise Control Module</li> <li>Faulty Speed Sensor</li> <li>Binding Throttle Linkage</li> <li>Kinked Speedometer Cable</li></ol> <b>If your cruise control cuts out on you, </b>check the following parts.<br /> <ol> <li>Faulty Transducer</li> <li>Faulty Cruise Control Module</li> <li>Short or Open Circuit in Cruise Control</li> <li>Brake or Clutch Switch Adjusted too tight</li></ol> <b>If your cruise control doesn't work at all, </b>check these parts.<br /> <ol> <li>Faulty Cruise Control Module</li> <li>Short or Open Circuit in Cruise Control</li> <li>Faulty Clutch or Brake Switch</li> <li>Leaking Vacuum Circuit</li> <li>Faulty Stepper Motor</li> <li>Faulty Speed Sensor</li> <li>Faulty Transducer</li> <li>Faulty Cruise Control Switch</li> <li>A Blown Fuse</li></ol>

on Jul 20, 2011 | Ford F-150 Cars & Trucks

2 Answers

2011. Why has cruise control failed?


cruise controls are controlled by several units
VSS or road speed sensor, clutch and brake sensors , engine speed (tacho) and the on/off switch
cruise controls will disengage automatically if the road speed is too slow ( higher for manuals than autos ) so if the road speed is below around 20mph it may not engage at all as the VSS says it is too slow for the engine rpms
check all sensors for adjustment

Aug 30, 2015 | Jeep Liberty Cars & Trucks

1 Answer

Cruise control doesn't stay on in my 2004 Chevrolet Cavalier?


not being informed if it is auto or manual, here are some of the items that control the cruise control
brake pedal sensor ,
clutch pedal sensor,
vehicle speed sensor
engine ignition control module , tacho ,
vehicle speed --will disconnect if the road speed is below setting minimum speed
ratio changing
bad cruise control switch
wiring and connections
ecm problems
problem cruise control module

Apr 06, 2017 | Cars & Trucks

1 Answer

Cruise control stopped working


no year stated, wow.
the first checks are not the CRUISE.
they are:
1: all fuses good.
2: CEL lamp out driving, if not the PCM will in fact cut Cruise function ( preventing TOYOTA SYNDROME)
3: scan tool do a full PCM scan, got errors. got DTCs, bingo.

today cruise is the last to work, (a very serious safety issue)

Sep 23, 2013 | Honda Odyssey Cars & Trucks

1 Answer

Cruise control not working


as it an automatic and one of the sensor for the cruise control is the VSS then I would be suspecting that there is a problem in the overdrive of the transmission -could be harness connections , TCM
cruises control need these items to operate
brake witch to be operational-- touching the brakes cancels the cruise control
VSS to be operational , --reports the speed of the vehicle so that the cruise controlled speed can be maintained
tachometer to be operational --- will shut the cc of if there is a speed limiter involved
gear position switch to be operational ECM to be operational
if any one item has a break in circuit , the cruise control will turn off
could be as simple as a bad ground connection for the ground wire from the battery

Feb 27, 2017 | Subaru Outback Cars & Trucks

1 Answer

Cruise control not working


Check for a vacuum leak...or have someone check for a leak.

Jun 26, 2013 | Subaru Outback Cars & Trucks

1 Answer

Cruise control not working


there are 2 possible parts here, one is a transmission speed sensor, this part tells the cruise what speed u set and keep it there, the other is the the actual actuator that holds the throttle at the right position to maintain set speed, other less common issue's make sure the brake and clutch (if manual trans only) cruise cut off switche's are ok

Mar 09, 2009 | 1987 Honda Prelude

1 Answer

How does cruise control work on 1998 honda civic


It works off the speed sensor on the tranny. The information goes thru the computer from the speed sensor and then controls the throttle. Hitting the brakes just cuts (shut) the speed control (it turns it off) The brakes have no control

Nov 28, 2008 | 1998 Honda Civic

1 Answer

CRUISE CONTROL


My 2003 Ram 1500, would not engage the cruise control, when the speed sensor on the rear axle, was the problem. The other symptoms, speedometer worked irregularly. Replaced speed sensor on top center of rear axle, and problem went away.

Jul 14, 2008 | 2004 Dodge Ram 1500

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