Question about 2000 Toyota Avalon

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Instrument panel not working, coolant,tachometer,speedometer,fuel

Instrument panel not working,

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Check fuses pretty its gauge fuse please rate

Posted on May 07, 2010

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I have a 2010 Chevy impala LS instrument cluster and it has a 20 pin plug I'm trying to figure out which wire's on the back of the cluster are for the speed sensor, rpm, gas, and temp wires.


Boy your way off base . All the gauges are inputs from the ECM - engine computer . The VSS - vehicle speed sensor , ETC - engine coolant temp sensor , sending unit in the fuel tank , All this sensors input the engine computer . The PCM then sends this info on the GMLAN serial data bus ,communications network . The Instrument cluster has a microprocessor inside that translates this info an controls the gauges. You probably have an instrument cluster problem or a communication network problem . Your best bet is to take your vehicle to the dealer or some other qualified repair shop. Need to have it checked for DTC'S - diagnostic trouble codes.
Indicators and Warning Messages
Refer to Indicator/Warning Message Description and Operation.
Engine Coolant Temperature Gage
The instrument panel cluster (IPC) displays the engine coolant temperature as determined by the engine control module (ECM). The IPC receives a serial data message from the ECM indicating the engine coolant temperature. The IPC receives the coolant temperature information via serial data message from the body control module (BCM). The engine coolant temperature gage defaults to 60?°C (140?°F) or below if:
?€¢
The ECM detects a malfunction in the engine coolant temperature sensor circuit.

?€¢
The IPC detects a loss of serial data communications with the ECM.

?€¢
The IPC detects a loss of serial data communications with the BCM.
Fuel Gage
The instrument panel cluster (IPC) displays the fuel level as determined by the engine control module (ECM). The IPC receives a serial data message from the ECM indicating the fuel level percent. The body control module (BCM) sends the fuel level information from the ECM to the IPC via a serial data message indicating the fuel level percent. The fuel gage defaults to empty if:
?€¢
The ECM detects a malfunction in the fuel level sensor circuit.

?€¢
The IPC detects a loss of serial data communications with the ECM.

?€¢
The IPC detects a loss of serial data communications with the BCM.
When the fuel level is less than a pre-determined value, the low fuel indicator illuminates in the IPC.
Odometer
The vehicle odometer is calculated and stored electronically in the instrument panel cluster (IPC). The IPC contains a season odometer and trip odometer A or B. Momentarily press the trip/fuel button in order to toggle between the season odometer and the trip odometer. Press the set/reset button for greater than 0.25 seconds, while the trip odometer is displayed, in order to reset the trip odometer. The IPC displays the vehicle mileage and trip mileage as determined by the engine control module (ECM). The IPC calculates the mileage based on the serial data vehicle speed information from the ECM. The odometer will display 'error' if an internal IPC memory failure is detected. The odometer displays either miles or kilometers and can be set through the customization menu in the driver information center (DIC).
PRNDL Display
The instrument panel cluster (IPC) displays the selected gear position as determined by the engine control module (ECM). The IPC receives a serial data message from the ECM indicating the gear position. The PRNDL display blanks if:
?€¢
The ECM detects a malfunction in the transmission range switch circuit.

?€¢
The IPC detects a loss of serial data communications with the ECM.

?€¢
The IPC detects a loss of serial data communications with the body control module (BCM).
Speedometer
The instrument panel cluster (IPC) displays the vehicle speed as determined by the engine control module (ECM). The IPC calculates the mileage based on serial data vehicle speed information from the ECM. The IPC receives vehicle speed information from the body control module (BCM) via a serial data message. The speedometer defaults to 0 km/h (0 mph) if the IPC detects a loss of serial data communications with the ECM or BCM.
Tachometer
The instrument panel cluster (IPC) displays the engine speed as determined by the engine control module (ECM). The IPC receives a serial data message from the ECM indicating the engine speed. The IPC receives the engine speed information from the body control module (BCM) via a serial data message. The tachometer will default to 0 RPM if:
?€¢
The ECM detects a malfunction in the engine speed sensor circuit.

?€¢
The IPC detects a loss of serial data communications with the ECM.

?€¢
The IPC detects a loss of serial data communications with the BCM.

How to Diagnose Controller Area Network CAN Suggest you read up on C.A.N.

May 14, 2016 | Cars & Trucks

1 Answer

I have a 04 tahoe and at times when i turn the ignition on the gauges don't move and when I'm driving they will jump on and off can someone explain this


If it is all the gauges , I would pull the instrument cluster an check the connections on the back of the instrument cluster . I would also check power an grounds , you would need to find a pin out chat to do this. If you don't know what that is , It's just a diagram of the connector show what each terminal is for ! Also do a wiggle test on the wiring ! Do the dash lights do the same thing ?

All the gauge settings are information determined by the PCM - engine computer , the info is sent to the instrument cluster by a serial data communication network !
Speedometer
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.
The speedometer defaults to 0 km/h (0 mph) if a malfunction in the vehicle speed signal circuit exists.
Tachometer
The instrument panel cluster (IPC) displays the engine speed on the analog tachometer based on the engine speed signal from the powertrain control module (PCM). The IPC uses the engine speed signal circuit -- 2 pulses/engine revolution -- from the PCM in order to calculate the engine speed.
The tachometer defaults to 0 RPM if a malfunction in the engine speed signal circuit exists
Voltmeter
The instrument panel cluster (IPC) displays the system voltage as determined by the body control module (BCM). The IPC receives a class 2 message from the BCM indicating the battery voltage. When the engine is ON, the gage should be between 10-16 volts.
PRNDL Display
The instrument panel cluster (IPC) displays the selected gear position as determined by the powertrain control module (PCM). The IPC receives a class 2 message from the PCM indicating the gear position. The PRNDL display blanks if:
Fuel Gage
The instrument panel cluster (IPC) displays the fuel level as determined by the powertrain control module (PCM). The IPC receives a class 2 message from the PCM indicating the fuel level percent. The fuel gage defaults to empty if:
Engine Coolant Temperature Gage
The instrument panel cluster (IPC) displays the engine coolant temperature as determined by the powertrain control module (PCM). The IPC receives a class 2 message from the PCM indicating the engine coolant temperature. The engine coolant temperature gage defaults to 75?°C (160?°F) or below when:
?€¢
The PCM detects a malfunction in the engine coolant temperature sensor circuit.


?€¢
The IPC detects a loss of class 2 communication with the PCM.


The data link connector (DLC) allows a scan tool to communicate with the class 2 serial data line. The serial data line is the means by which the microprocessor-controlled modules in the vehicle communicate with each other. Once the scan tool is connected to the class 2 serial data line through the DLC, the scan tool can be used to monitor each module for diagnostic purposes and to check for diagnostic trouble codes (DTCs). Class 2 serial data is transmitted on a single wire at an average of 10.4 kbps. This value is an average, class 2 uses a variable pulse width modulation to carry data and depending on the message it may operate faster or slower. The bus will float at a nominal 7.0 volts during normal operation. Each module can pull this lower during the transmission. The bus is not at battery positive voltage or ground potential during normal operation. When the ignition switch is in RUN, each module communicating on the class 2 serial data line sends a state of health (SOH) message every 2 seconds to ensure that the module is operating properly. When a module stops communicating on the class 2 serial data line, for example if the module loses power or ground, the SOH message it normally sends on the data line every 2 seconds disappears. Other modules on the class 2 serial data line, which expect to receive that SOH message, detect its absence; those modules in turn set an internal DTC associated with the loss of SOH of the non-communicating module. The DTC is unique to the module which is not communicating, for example, when the inflatable restraint sensing and diagnostic module (SDM) SOH message disappears, several modules set DTC U1088. Note that a loss of serial data DTC does not normally represent a failure of the module that set it.
You may want to take this to a ASE certified repair shop or " oh no " The Chevy dealer ! I don't know why people dislike the dealer so much . I worked at one for a number of years an we had a good bunch of technicians ! No body knows your GM vehicle better !

Aug 31, 2015 | Cars & Trucks

1 Answer

I replaced the instrument cluster & head light switch on my 2001 buick century and the instrument panel and tail lights still do not work, what else can I do


Check 20Amp LP Park Fuse in Underhood Fuse Block (mounted to right strut tower) Check 15Amp Tail Lic. Lamp Fuse In IP Fuse Block.

Mar 15, 2014 | Buick Cars & Trucks

1 Answer

None of my instrument panel gauge are working on my 2007 Cadillac CTS.ALL HAPPEN AFTER REPLACING BATTERY.NO SPEEDOMETER NO TACHOMETER, NO FUEL GAUGE.NO OIL PRESSURE GAUGE.ALSO SUNROOF STOP WORKING.


check to see if you have missed putting a wire back onto the battery, also check to see if any loose wires around battery area, that may have broken from the terminal

Oct 26, 2013 | Cars & Trucks

1 Answer

Tachometer not working


If it used the mechanical speed cable. Check the speedometer cable attachment at the speedometer in the instrument panel. Check the speedometer cable and speedometer sending unit assembly on the transmission.

Sep 27, 2013 | 1992 Toyota Celica

1 Answer

My tachometer and speedometer don t work


You Have To Start Again There Is Something Not Connected ,
You Left A Wire Or Plug Out ,A Small Earth Wire Might Be Screwed On That Got Pulled Off.

Mar 17, 2013 | Mitsubishi Mirage Cars & Trucks

1 Answer

Instrument panel not working on dashboard


You did not mention the make model and year.
Does the gauges fuse have power ?

Jan 21, 2013 | Cars & Trucks

1 Answer

My instrument panel cluster doesn't work


The car start and run OK? Sound like a electrical instrument cluster problem. You will need to take off in order to check harnesses and ground wires connections.

Oct 04, 2012 | 2002 Buick LeSabre

1 Answer

1996 grand am instrument panel cluster is not working


Open driver side door, remove fuse access panel on the left side of the instrument panel and check the instrument cluster 10A fuse behind on the fuse block (third row from the top, fourth fuse position note: first two position may be empty). If fuse checks out the connector behind the instrument cluster may have worked loose. Remove steering column covers, remove bezel around the instrument panel (this is held on with push clips), remove four screws from the cluster and ease the cluster out just enough to see and correct the problem. hope this has helped.

Oct 16, 2011 | 1996 Pontiac Grand Am

1 Answer

Removing the heater control switch 2004 Pontiac Grand Prix


Procedure for the control panel pasted below. I don't see a separate blower switch, so you might have to replace the entire control panel. Before doing that, I recommend you browse this post:
http://www.fixya.com/cars/r6234839-doesn_t_heater_or_air_conditioner_blow and let me know if you have questions.
  1. Disconnect the negative battery cable.
  2. Remove the instrument cluster trim plate, using the following as a guide:
    1. Remove the instrument panel access hole covers from the instrument panel using a small flat-bladed tool. Remove the screws from each end of the instrument panel cluster trim plate.
    2. Remove the screws from the lower edge of the right lower instrument panel trim plate.
    3. Open the instrument panel compartment door.
    4. Pull the right lower instrument panel trim plate from the instrument panel.
    5. Pull steering column tilt level and tilt the steering column to the lowest position.
    6. Grasp the instrument panel cluster trim plate at the right edge, slowly pull an working from left to right, release the retainer clips. Lift the trim panel from the vehicle.

  3. Remove the screws holding the heater & A/C control panel to the instrument panel and gently pull the assembly from the instrument panel. Detach the electrical connector(s) from the back of the panel. Some models may have a vacuum line connection that must also be removed.
  4. Installation is the reverse of the removal process. Use care to make sure the retaining clips are properly seated and all screws are in place. This helps avoid rattles and squeaks later.


CAUTION Vehicles covered by this manual are equipped with a Supplemental Inflatable Restraint (SIR) system, which uses an air bag. Whenever working near any of the SIR components, such as air bag module, steering column and instrument panel, disable the SIR.
jturcotte_2392.gif
Fig. Instrument panel accessory trim plate removal-Pontiac shown, others similar
jturcotte_2393.gif

Fig. Heater & A/C control panel removal. Top: Standard system; Bottom: Automatic System-Pontiac shown, others similar

Oct 11, 2011 | 2004 Pontiac Grand Prix

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