Question about 2000 Nissan Maxima

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When the vehicle is in motion, the accelerator refuses to increase speed, at times. i will have to park and wait and continue ma journey. Some people think its shift lock problems, or gear changing problems.The vehicle is automatic gear.what do i do

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Its probely in ur transmisson

Posted on Apr 05, 2011


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1 Answer

How do i set the cruise control on my 1994 mercedes c220 elegance automatic

Cruise Control
Any given speed above approximately 22 mph (35 km/h) can be maintained with the cruise control by operating the lever.
-see photo

  1. Accelerate and set: Lift lever briefly to set speed. Hold lever up to accelerate.
  2. Decelerate and set:
    Depress lever briefly to set speed. Hold lever down to decelerate.
    Normally the vehicle is accelerated to the desired speed with the accelerator. Speed is set by briefly pushing
    the lever to position 1 or 2. The accelerator can be released. The speed can be increased (e.g. for passing)
    by using the accelerator. As soon as the accelerator is released, the previously set speed will be resumed automatically. If a set speed is to be increased or decreased slightly, e.g. to adapt to the traffic flow, hold lever in position 1 or 2 until the desired speed is reached, or briefly tip the control lever in the appropriate direction for increases or decreases in 0.6 mph (1 km/h) increments. When the lever is released, the newly set speed remains.
  3. Canceling
To cancel the cruise control, briefly push lever to position 3.
When you step on the brake or the vehicle speed drops below approx. 22 rnph (35 km/h), for example when driving upgrade, the cruise control will be canceled.
4. Resume
If the lever is briefly pushed to position 4 when driving at a speed exceeding approx. 22 mph (35 km/h), the vehicle resumes the speed which was set prior to the cancellation of the cruise control. The last memorized speed is canceled when the key in the steering lock is turned to position 1 or 0.
If the engine does not brake the vehicle sufficiently while driving on a downgrade, the speed you set on the cruise control may be exceeded and you may have to step on the brake pedal to slow down.
As soon as the grade eases, the cruise controlled speed will again be maintained as long as the brakes were not previously applied, or the lever may be used to resume the previously set speed if the brakes were applied.


Feb 14, 2015 | Mercedes-Benz C-Class Cars & Trucks

1 Answer

I have an 03 Jeep Grand Cherokee v6 2x2 with 170k... I'm having a couple of issues... 1. Occasionally will have trouble with cycling through gears when getting on Hwy causing decreased, sluggish...

I would consider changing the vehicle speed sensor. When they go bad, they can really throw out a lot of bad data to the computer, resulting in unexpected behavior like you're experiencing. They're only around $20-$25. I hope this helps! :)

May 02, 2014 | Cars & Trucks

1 Answer

Automatic transmission vehicle speed difficulty?

Parked on the ground, blocking the transmission lever in P position, players pull brakes, then step on the gas pedal and accelerate the inspection of the engine. If the engine speed is increased slowly this time, or up to a certain speed does not go on to mention, that the failure was caused by engine problems, check the engine oil pressure, cylinder pressure is normal, whether the fuel injection system, and each sensor is working properly.
Transmission failure: It may be in the transmission or burned badly worn friction plate, or transmission valve body shift valves, solenoid valves, transmission control computer and its related circuit malfunction, causing difficulty speed transmission upshifts. it is necessary to go to a professional repair shop for maintenance . via

Dec 21, 2013 | Cars & Trucks

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Output speed sensor

My wife's last car did that when the input speed sensor conked out. so mabey replacing your bad sensor will help.

Jun 02, 2013 | 2008 Ford Taurus X

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1999 Ford Explorer, sluggish or stalls in Drive

Check the speed sensor on the power steering and replace if it fails to increase engine speed when the wheel is turned.

Nov 28, 2017 | 1999 Ford Explorer

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When in 2nd Gear go to 3rd 4th and 5th with oot touching the accelerator car increases speed on every change

if its just a slight increase then thats a normal reaction the vehicle is already moving so the pull effect has been broken,, usually by the time your going into 3rd gear you already have the vehicle up to speed, ,, if its a big increase in speed, then you need to check for vacuum leaks, and or a stuck carb or throttle body flap thats not closing properly

Oct 04, 2011 | Cars & Trucks

1 Answer

2000 Stratus, 2.4 automatic. A loud humming noise

hi this sounds like you have a wheel bearing that has gone u/s the way to find out which one is to individually jack each wheel up and spin the wheel first you might hear a grinding noise, if not you can pull the bottom of the wheel and push the top in a rocking motion top to bottom, left to right if you get a large amount of movement then this will also point out which wheel it is....hope that helps

Feb 26, 2010 | 2004 Dodge Stratus

2 Answers

I have a 2003 nisan maximawhen accelerating I hear

You hear clicking from the engine. If it increases in speed when you accelerate and decreases as you slow down, try listening for it in park. If the sound continues you need to take it to a shop. If the sound is only present when you are moving you need to have your CV joints checked.

Sep 12, 2009 | 2003 Nissan Maxima

1 Answer

Cruise control problem

Your best bet , take it to a qualified repair shop . You have no idea how complex this is ?
Having a scan tool hooked up to check for DTC'S - diagnostic trouble codes should be the first step in the diagnostic procedure .
Powertrain Control Module (PCM) Diagnostic Trouble Code (DTC) Index DTCs Description Source Action P0500 Vehicle Speed Error PCM REFER to the Powertrain Control/Emissions Diagnosis (PC/ED) manual. P0579 Cruise Control Multifunction Input A Circuit Range/Performance PCM Go To Pinpoint Test C . P0581 Cruise Control Multifunction Circuit High PCM Go To Pinpoint Test C . P0833 Clutch Pedal Switch B Circuit PCM Go To Pinpoint Test D . P1572 Brake Pedal Switch Circuit PCM Go To Pinpoint Test B . P1703 Brake Switch Out of Self-Test Range PCM Go To Pinpoint Test B . All other DTCs - PCM REFER to the Powertrain Control/Emissions Diagnosis (PC/ED) manual to continue diagnosis.
Then reading up on how it works should be done .
Principles of Operation
The speed control system is controlled by the powertrain control module (PCM). The speed control system is designed to maintain a selected vehicle speed between 48 and 200 km/h (30 and 124 mph). The speed control system is controlled by the steering wheel mounted switches (ON, OFF, SET+, SET-, and RESUME), the stoplamp switch, clutch pedal speed control deactivator switch (manual transmission), and the speed control deactivator switch. The steering wheel mounted switches are hardwired to the PCM through the clockspring.
The speed control functions include:
  • turning the speed control system on.
  • setting and maintaining the desired vehicle speed.
  • accelerating the vehicle speed.
  • decelerating the vehicle speed.
  • turning the vehicle speed control system off.
  • cancelling the speed control.
Pressing and releasing the ON switch turns the speed control system on. Pressing and releasing the SET+ or SET- switch while the vehicle is traveling at the desired speed activates the speed control system.
Tapping the SET+ or the SET- switch while in the set mode increases or decreases the maintained vehicle speed by 1.6 km/h (1 mph) per tap, respectively. If either button is pressed and held, the vehicle speed continues to accelerate (SET+) or decelerate (SET-) until the button is released.
Pressing and releasing the OFF switch, or switching the ignition switch to the OFF position, turns the speed control system off. Applying the brake pedal puts the speed control system into the standby mode. Pressing the RESUME button when the speed control system is in the standby mode causes the vehicle to accelerate to the last set speed. RESUME does not function if the OFF button is pressed or if the current vehicle speed is below the minimum operational speed.
The clutch pedal speed control deactivator switch is used on vehicles equipped with a manual transmission. When the clutch pedal is applied with the vehicle speed control system engaged, the normally closed switch opens and signals the PCM to deactivate the speed control.
The speed control deactivator switch is provided as an additional safety feature. When the brake pedal is applied, an electrical signal from the stoplamp switch is sent to the smart junction box (SJB), which then sends a message to the PCM to deactivate the speed control system. Under increased brake pedal effort, the speed control deactivator switch opens and removes the voltage signal from the PCM input circuit, deactivating the speed control system.
Whenever the speed control system is engaged and active, a speed control icon on the instrument cluster is illuminated.
The inputs to the PCM are:
  • Output shaft speed (OSS) sensor
  • Transmission range (TR) sensor
  • Speed control switch
  • Clutch pedal speed control deactivator switch
  • Speed control deactivator switch
  • Accelerator pedal position sensor
  • SJB
  • Parking brake
The outputs of the PCM for the speed control system are:
  • Speed control indicator lamp
  • Throttle command
The speed control system throttle position is completely controlled by the PCM through the electronically controlled throttle body. Speed control electronics are contained entirely within the PCM.
When the speed control system is active, the PCM corrects for deviations in the actual vehicle speed by proportionally moving the throttle plate. The PCM modulates the throttle to minimize error between actual, and desired, vehicle speed.
The PCM strategy uses the throttle control for smooth accelerations.
The PCM sends a message over the controller area network (CAN) to the instrument cluster whenever the speed control telltale should be turned on or off.
In the event of an OFF command or a deactivation request from any source, the speed control system carries out a deactivation and immediately returns the throttle to the idle position.
The speed control system provides self-diagnostics. The speed control is disabled anytime an error is detected in the system. No cluster telltale or message center messages are displayed when faults occur. Fault codes are logged by the PCM.
An electronically controlled throttle system fault also causes the speed control system to be disabled and a warning telltale (wrench light) or a message center message is displayed.
Additionally, the following conditions cause the speed control system to deactivate:
  • Transmission gear selector in a position other than D or OD (automatic transmission)
  • Vehicle clutch pedal is applied
  • Speed control set speed is over-ridden with the accelerator pedal for a period longer than 5 minutes
  • Vehicle speed loss from set speed of greater than 16 km/h (10 mph) occurs
  • Vehicle speed falls below the minimum allowable limit of 48 km/h (30 mph)
  • Parking brake is applied
  • Speed control switch is pressed or stuck for longer than 2 minutes

Inspection and Verification
  1. Verify the customer concern.
  1. Visually inspect the following for obvious signs of mechanical or electrical damage.

Visual Inspection Chart Mechanical Electrical
  • Throttle body
  • Smart junction box (SJB) fuse 18 (10A)
  • Circuitry
  • Speed control switch
  • Clutch pedal speed control deactivator switch
  • Speed control deactivator switch
  • Stoplamp switch
  • Powertrain control module (PCM)

  1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
  1. Verify the speedometer operates correctly without speed control by test driving the vehicle. If the speedometer does not operate correctly, refer to Section 413-01 .
  1. Verify the stoplamps operate correctly with the ignition switch in the ON position. If the stoplamps do not operate correctly, refer to Section 417-01 .
  1. Verify the parking brake warning indicator is operating correctly. If the parking brake warning indicator does not operate correctly, refer to Section 413-01 .
  1. If the cause is not visually evident, connect the diagnostic tool to the data link connector (DLC) and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle:
    • check that the program card is correctly installed.
    • check the connections to the vehicle.
    • check the ignition switch position.
  1. If the diagnostic tool still does not communicate with the vehicle, refer to the diagnostic tool operating manual.
  1. Carry out the diagnostic tool data link test. If the diagnostic tool responds with:
    • CAN circuits fault; all electronic control units no response/not equipped, refer to Section 418-00 .
    • No response/not equipped for PCM, refer to Section 418-00 .
    • System passed, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs, and carry out the self-test diagnostics for the PCM.
  1. If the DTCs retrieved are related to the concern, go to the Powertrain Control Module (PCM) Diagnostic Trouble Code (DTC) Index.
  1. If no DTCs related to the concern are retrieved, GO to Symptom Chart .

Jan 30, 2018 | 2006 Ford Mustang

1 Answer

2004 F150 truck accelerated on its own into traffic

Have the cruise control module checked. They recalled some about improper wiring and fire hazards when the vehicles are parked; but in motion problem might cause vehicle to act like cruise was kicked in.

Apr 17, 2009 | 2004 Ford F150

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