Focuksen ajotietokone auki

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Focuksen ajotietokoneen saa auki helposti; ennen käynnistymistä paina trippimittarin nollausta koko ajan ja starttaa. Irrota ote kun trippimittari antaa uusia lukemia. Kun painat nappia saat nämä tiedot näkyville - kun sammutat auton, mittari palaa normaaliksi.

Thought i would make a copy in case the link disappears

Self-Diagnostic Mode - Instrument Cluster



1. To enter the instrument cluster self-diagnostic mode simultaneously depress and hold the tripmeter reset button then turn the ignition switch to position II or III.

2. Release the tripmeter reset button when TEST is displayed on the LCD. This will take between 5 and 8 seconds.

3. The instrument cluster will enter the gauge sweep test.

4. To navigate to the following tests while in self-diagnostic mode depress the RESET button to move to the next test.

5. The self-test is deactivated when the ignition is turned to the OFF position.




#.Test
#.Syntax Displayed
#.Gauge/Indicator/Display Tested
#.Description


#.1..Gauge sweep.
#.GAGE.
#.Tachometer, speedometer, temperature and fuel.
#.All gauges go through a full up and down pointer sweep smoothness check, which takes approximately 5 seconds.


#.2..Fill in all LCD.
#.8888.
#.LCD display built into Speedometer.
#.Fills in LCD display therefore seeing if display functioning correctly.


#.3..Indicator bulbs.
#.BULB.
#.Instrument cluster illuminates indicator and warning indicators.
#.Illuminates all the warning indicators that are controlled by the instrument cluster.


#.4..ROM level.
#.rXXX.
#.Instrument cluster read only memory (ROM).
#.Displays the instrument cluster ROM revision level.


#.5..NVM level.
#.EXXX.
#.Instrument cluster non volatile memory (NVM).
#.Displays the instrument cluster NVM revision.


#.6..DTC.
#.XXXX or NONE.
#.Diagnostic trouble codes (DTCs).
#.To list the DTCs stored, press the RESET button.
..REFER to the instrument cluster diagnostic trouble code (DTC) index below.
..The DTC codes will scroll through if there is more than one.


#.7..Road speed mph.
#.XXX.X.
#.Speedometer.
#.Displays the speed signal input in mph.


#.8..Road speed Km/h.
#.XXX.X.
#.Speedometer.
#Displays the speed signal input in Km/h.


#.9..Engine speed.
#.XXXX.
#.Tachometer.
#.Displays the tachometer input signal (RPM).


#.10..Fuel volume.
#.FXXX.
#.Fuel sender system.
#.Displays the fuel volume signal input.


#.11..Coolant Temp.
#.XXXC
#.Engine coolant temperature.
#.Displays the engine coolant temperature signal input.


#.12..Battery Voltage.
#.bXXX.
#.Battery Voltage (t).
#.Displays battery voltage input.


#.13..ABS fail.
#.Ab-[H/L].
#.ABS system.
#.Displays ABS raw cluster input. (H = open-circuit, L = ground).


#.14..Electronic Brake Distribution Failure (EBD).
#.Eb-[H/L].
#.EBD system.
#.Displays EBD raw cluster input. (H = open-circuit, L = ground).


#.15..Illumination.
#.IL-[H/L].
#.Cluster and instrument panel illumination.
#.Displays instrument cluster and instrument panel illumination. (H = ON, L = OFF).


#.16..Crank Sense.
#.Cr-[H/L].
#.Cluster and instrument panel crank sense.
#.Displays Cluster and instrument panel Crank sense. (H = Ignition, L = Ground or over-charging).
#.(Crank sense it the Pos I (Accessory) supply to the cluster. If this is missing then the cluster will remain dead for about 20 seconds after key on. Then it will function normally. This can happen when someone fits a radio and blows the accessory fuse).


Note:
Additional tests are available after number #.16 but are not useful for diagnostics.

Note:
Later vehicles had a "cost reduced" cluster that had a different Engineering Test Mode layout. These came in about 03-53 reg, and can be distinguished by only the symbol lighting up in the tell tale rather than the whole lot. (LEDs rather than bulbs).
These clusters used stepper motors for the gauges rather than the air cored ones and did not have a Gauge Sweep test?








Self ..........DTC.......... Description
Diagnostic
Mode
Displayed
DTC

9202 ..........B1202.......... Fuel pump module circuit open

9204 ..........B1204.......... Fuel pump module short to ground

9342 ..........B1342.......... Instrument Cluster ECU is defective

9317 ..........B1317.......... Battery voltage high (greater than 16V)

9318 ..........B1318.......... Battery voltage low (less than 10V)

9359 ..........B1359.......... Ignition Run/ACC circuit failure

A143 ..........B2143.......... NVM memory failure

A477 ..........B2477.......... Module configuration failure

D041 ..........U1041.......... Invalid data for vehicle speed

D027 ..........U1027.......... Invalid data for engine RPM

D073 ..........U1073.......... Invalid data for engine coolant

D262 ..........U1262.......... Missing speed, tacho, engine temp, or dometer count

D123 ..........U1123.......... Invalid data for odometer

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