Question about 1998 Mitsubishi Eclipse

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Speed sensor a

Replaced speed sensor out in and instrument cluster still same problem

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  • ladyblue9597 Sep 19, 2008

    I paid for premium service and got nothing so now what??????????????????????????

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If the problem was the speed sensor then the problem is fixed. But if it was something wrong with the instrument cluster then that needs to be taken apart or replaced. The cluster could have loose or broken wires in them.

Posted on Oct 09, 2008

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Recently replaced speedometer sensor on my 2005 Chevy Tahoe speedometer still does not work do you know how to fix it


Yes , replace the stepper motor inside the instrument cluster . The speedometer sensor as you call it is actually a VSS - vehicle speed sensor. If the transmission shifts good an engine runs good it's not the VSS bad. You have to know how it works to fix it . The VSS is an input to the PCM/ECM - engine computer , The PCM/ECM calculates engine speed then sends this info to the instrument cluster over the serial data communication bus . GM has had bad stepper motors in that year vehicle . How to repair GM Instrument Cluster Speedometer Gauge Stepper

Apr 08, 2016 | Cars & Trucks

1 Answer

My speedometer stopped working and i replaced the speed sensor still not working


What make , model an year vehicle ? your gauge is probably bad ! The vehicle speed sensor is an input to the PCM / ECM - engine computer . All vehicles after 1996 have some kind of a serial data communication network that all modules talk on ,even the instrument cluster ! The PCM sends speed info . to the instrument cluster . Google automotive serial data bus communication network . GM had problems with the stepper motor in their clusters , but so have other car makes . If you would have taken it to a ASE certified repair shop you would wasted your money on a VSS - vehicle speed senor you didn't need .

Dec 31, 2015 | Cars & Trucks

1 Answer

Which pins or wires do i test on a 2005 silverado instrument cluster for a faulty voltmter and speedometer


You haven't a clue what your messing with , no wires to check , The stepper motors in the cluster . GM had problems with them 2003 to 2006 . All the information for the instrument cluster comes from the PCM on class two serial data bus . Control module communication network . How to repair GM Instrument Cluster Speedometer Gauge Stepper The only way to check signal to instrument cluster is with a GM Tech 2 factory scan tool .There is a computer chip inside the cluster.
The instrument panel cluster (IPC) displays the vehicle speed on the analog speedometer based on the vehicle speed signal from the powertrain control module (PCM). The PCM converts the data from the vehicle speed sensor to a 4,000 pulses/mile signal. The IPC uses the vehicle speed signal circuit from the PCM in order to calculate the vehicle speed.

Nov 23, 2015 | Cars & Trucks

1 Answer

Odometer,speed odometer,and trip not working.replace speed sensor.


Speedometer
The speedometer is an analog gauge that is located in the instrument cluster. The PCM/VCM receives an analog input from the vehicle speed sensor and converts it to a digital signal containing 4,000 pulses per mile (PPM) for the instrument cluster.
The PCM/VCM sends this digital output (4,000 PPM) to the instrument cluster on a designated circuit. These pulses can be measured in Hertz (Hz) using a digital multimeter (DMM) on the AC scale. The PCM/VCM calibration is matched to the final drive and tire size of each vehicle. If the final drive or tire size is changed for any reason, the PCM/VCM must be updated in order to match the new final drive or tire size. If not, the signal will not be accurate for proper speedometer/odometer operation. An incorrect signal can affect the antilock brakes and the cruise control systems.
The speedometer system consists of the instrument cluster, vehicle speed sensor (VSS), PCM/VCM and related wiring. The VSS is a permanent magnet signal generator that sends an analog signal proportional to the propeller shaft speed to the PCM/VCM. The VSS mounts to the transmission tailshaft extension housing on 2-wheel drive (2WD) models and the transfer case output shaft housing on 4-wheel drive (4WD) models.
Repairs to the instrument cluster can only be performed by an authorized instrument cluster service center.

Diagnostic Aids
• An intermittent in the vehicle speed sensor (VSS) circuit may cause an inaccurate speedometer. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
• Check for the following DTCs:
- DTC P0502 Vehicle Speed Sensor (VSS) Circuit Low Input and DTC P0503 Vehicle Speed Sensor (VSS) Circuit Intermittent in Automatic Transmission - 4L60-E
- DTC P0500 Vehicle Speed Sensor (VSS) Circuit in Engine Controls - 4.3L
Step
Action
Value(s)
Yes
No
1
Did you perform the Instrument Cluster Diagnostic System Check?
--
Go to Step 3
Go to Diagnostic System Check - Instrument Cluster
2
Important: If the instrument cluster is completely inoperative, refer to Instrument Cluster Inoperative .
Install a scan tool.
Raise the vehicles drive wheels. Refer to Lifting and Jacking the Vehicle in General Information.
Start the engine.
Place the transmission into drive for automatic transmission and third gear for manual transmission.
Compare the displayed vehicle speed on the Instrument Cluster with the monitored speed on the scan tool.
Does the vehicles speedometer and the scan tool both display 0 km/h (0 mph)?
--
YES - Go to Step 4
NO - Go to Step 3
3
Does the vehicles speedometer approximately agree with the scan tool display?
--
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
Go to Step 4
4
Turn OFF the ignition.
Disconnect the in line connector C101.
Turn ON the ignition.
Test the vehicle speed output (4K) circuit voltage from the in line connector C101 (female side of connector) to a good ground using the DMM J 39200 . Refer to Circuit Testing in Wiring Systems.
Does the DMM display a voltage greater than the specified value?
9.5V
YES - Go to Step 8
No - Go to Step 5
5
Turn OFF the ignition.
Remove the instrument cluster. Refer to Instrument Cluster Replacement
Test the continuity from the vehicle speed sensor signal (4K) circuit at the instrument cluster electrical connector to the in line connector C101. Refer to Testing for Continuity in Wiring Systems.
Does the DMM display continuity?
--
YES - Go to Step 6
NO - Go to Step 10
6
Test the continuity from the vehicle speed sensor signal (4K) circuit to a good ground. Refer to Testing for Continuity in Wiring Systems.
Does the DMM display continuity?
--
YES - Go to Step 11
NO - Go to Step 7
7
Test the instrument cluster harness connector for a poor connection to the instrument cluster. Refer to Testing for Intermittent Conditions and Poor Connections and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
--
YES - Go to Step 17
NO - Go to Step 16
8
Turn OFF the ignition.
Disconnect the PCM/VCM harness connector which contains the vehicle speed sensor signal circuit. Refer to Powertrain Control Module Replacement/Programming in Engine Controls - 2.2L or VCM Replacement/Programming in Engine Controls - 4.3L.
Test the continuity of the vehicle speed sensor signal (4K) circuit from the PCM/VCM harness connector to the in line connector C101 using the DMM J 39200 . Refer to Testing for Continuity in Wiring Systems.
Does the DMM display continuity?
--
YES - Go to Step 9
NO - Go to Step 12
have you ever used a diagnostic trouble flow test chart ? Let me know if you make it this far and then I will send the last 9 steps . It's either a wiring problem or instrument cluster or PCM is bad . And if the PCM is replaced it will need progamming . Dealer only .

Nov 16, 2015 | 2000 Chevrolet Blazer

2 Answers

2001 Buick Century Limited speedometer problem, Speedometer not working but odomitor ok. Is there a fuse?


if the odometer is working then the problem is with the speedometer head unit as the odometer gets its information from the same source as the speedometer. you can have the speedometer head checked and fixed if its fixable.

Aug 22, 2015 | 2001 Buick Century Limited

1 Answer

My speedomeeter is not working hiw can i fix it


What make , model an year ? All instrument clusters are electronic now ! More then likely speedometer gauge is bad ,which means the instrument cluster needs replacing ! Vehicles have a (VSS)vehicle speed sensor in the transmission or uses a wheel speed sensor for the ABS as a input to one of the control modules , PCM or EBCM .Which then sends a message over the CAN data bus ,where the instrument clusters processor deciphers the info an sets the speedometer ! If your not familiar with this things I said here , your better off taking to a ASE certified repair shop or dealer !

Jul 27, 2015 | Cars & Trucks

2 Answers

93 Buick roadmaster, replaced speed sensor already, car still did same thing


Erratic Speedometer action could be an internal transmission problem. Check the Instrument cluster, vehicle speed buffer and recheck the speed sensor, look at the drive gear inside.

May 02, 2015 | 1993 Buick Roadmaster

1 Answer

My speedometer not working? is it cause of the after-market radio i put in be the reason.. mitsubishi galant 2002 6 cylinder


So we can rule out the speed sensor and its circuit to the PCM.

I just checked through another area of my database and it seems the speed sensor is systated as on the side of transaxle, near firewall, maybe you can dheck that out to confirm, just out of curiosity and for future reference and some portion of testing requires unplugging the conections.

Anyway I will provide a complete diagnostic pocedures for you to check through and hope an answer is found.

PS. After going through the diagnostic procedure, I believe your radio is the cause of the problem. Refer to # 10

SPEEDOMETER DOES NOT WORK

1. Connect scan tool to data link connector, check for Diagnostic Trouble Code (DTC). If DTC P0500 (Vehicle Speed Sensor) is set, diagnose this DTC first. Go to step 6 . If DTC P0500 is not set, go to next step.

2. On Eclipse, if trip odometer is not working normally, go to next step. If trip odometer is working normally go to step 5. On Galant, if tachometer is not working normally, go to next step. If tachometer is working normally, go to step 5

3. Disconnect instrument cluster connector. Turn ignition switch to ON position. Connect DVOM between ground and instrument cluster connector terminal No. 52 (Black/White wire) on Eclipse or terminal No.29 (Black/White wire) on Galant. If battery voltage is present, go to next step. If battery voltage is not present, check harness connectors and harness wiring between instrument cluster and ignition switch for damage. Repair as necessary.

4. Using a DVOM, check resistance between ground and instrument cluster harness connector terminal No. 34 (Black wire) on Eclipse or terminal No. 30 (Black wire) on Galant. If resistance is less than 2 ohms, replace instrument cluster printed circuit board or speedometer and tachometer. If resistance is greater than 2 ohms, check instrument cluster connector and harness wiring. Repair as necessary. If connector and wiring are okay, go to next step.

5. Disconnect vehicle speed sensor connector and instrument cluster connector. Turn ignition switch to ON position. Connect DVOM between ground and harness side of instrument cluster connector terminal No. 29 (White/Blue wire) on Eclipse or terminal No. 16 (Yellow/Black wire) on Galant. Voltage should be 5 volts. If voltage is okay, repair or replace instrument cluster printed circuit board or speedometer and tachometer. If voltage is not 5 volts, check instrument cluster connector and harness wiring. Repair as necessary. If connector and wiring are okay, go to next step.

6. Disconnect vehicle speed sensor harness connector and connect DVOM to harness side. Check vehicle speed sensor power supply voltage between terminal No. 1 (Black/White wire) on Eclipse or (Black/Blue wire) on Galant and ground. Battery voltage should be present. If voltage is okay, go to next step. If voltage is not present, check vehicle speed sensor harness connector and wiring. Repair as necessary.

7. Using DVOM, check resistance between ground and vehicle speed sensor harness connector terminal No. 2 (Black wire). Resistance should be less than 2 ohms. If resistance is greater than 2 ohms, check instrument cluster connector and harness wiring. Repair as necessary. If connector and wiring are okay, go to next step.

8. Disconnect vehicle speed sensor harness connector. Connect DVOM between ground and harness side terminal No. 3 (White/Blue wire) on Eclipse or (Yellow/Black wire) on Galant. If 9 volts are not present, check vehicle speed sensor harness connector and wiring. Repair as necessary. If 9 volts are present, go to next step.

9. Check harness wiring between vehicle speed sensor connector to radio and tape player connector, auto-cruise control ECU ECM (M/T) or PCM (A/T) connector and instrument cluster connector. If connectors or wiring are damaged, repair as necessary. If connectors and wiring are okay, go to next step.

CAUTION: To prevent damage to scan tool, always turn ignition off before connecting or disconnecting scan tool.

NOTE: If ECM (M/T) or PCM (A/T) is replaced, immobilizer-ECU should also be replaced. Each ECM (M/T) or PCM (A/T) has an encrypted code for immobilizer-ECU, and is registered in immobilizer-ECU.

10. Connect scan tool to data link connector. Turn ignition switch to ON position. Read DTC. Disconnect radio and tape player connector. If DTC P0500 does not reset, replace radio and tape player. If speedometer does not work, disconnect auto-cruise control ECU connector. If DTC P0500 does not reset, replace auto-cruise control ECU. If speedometer does not work, disconnect instrument cluster harness connector. If DTC P0500 does not reset, replace instrument cluster. If DTC P0500 resets when any connector is disconnected, replace ECM (M/T) or PCM (A/T).
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Sep 06, 2012 | Cars & Trucks

3 Answers

What would make a speed odometer not to work?


Two possibilities, speed sensor on transmission or a bad stepper motor in the instrument cluster. Does your cruise control work? If it does, then the speed sensor is OK and the problem is with the stepper motor in the cluster that drives the speedometer.

Feb 05, 2011 | 2004 Chevrolet TrailBlazer

3 Answers

Speedometer just stopped workin its like 180 is actually o km/h and then it wont go down past 180


Hi. There is a speed sensor mounted on the transmission. Check the wires that lead from the sensor to the instrument cluster in your dash. Make sure the speedometer is connected to the sensor, and the connection is not loose. If the wiring at the sensor, and speedometer are ok, simply replace the speed sensor.

Nov 13, 2009 | 2005 Chevrolet Silverado

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