The language is stored in the Coding Plug. This is located in chocolate-brown harness connector on the back of the instrument cluster. After 2/89 this is a separate plug on the back of the cluster.When the cluster is first powered up the language is normally German by default.
To change the language:
1.Ignition switch in the OFF position.
2.Press and HOLD the right instrument cluster button.
3.Turn the ignition switch to the on position.
4.Wait about 10 seconds. The next language will be displayed.
5.Hold the button until the desired language appears.
If the language doesn’t hold one of the following has occurred:
a) Code Plug has bad connection. – Check wiring for breaks or shorts. Disconnect and thenreconnect the Coding Plug on the back of instrument cluster.
b) Coding Plug may be defective. Replace Coding Plug.
c) Instrument cluster motherboard is dead. When this is the case there are normally otherproblems present, such as : jumpy needles, tripometer resets itself to zero, gong keepssounding even after the brakes are depressed,…etc.
E36 OBC V The test function are accessed by pressing the “1000” and “10” buttons simultaneously. Test function(1,10,18,19,& 21) are unlocked and can be called up by inputting the number and pressing ” SET/RES” Number 10 is Language change.
BC V TEST FUNCTIONS
The BC contains test data values that can be accessed for troubleshooting purposes. The following is a list of the test functions and numbers that are stored in the BC
1.Display test – test all of the LCD segments in the display matrix
2.Momentary consumption (L/100Km) – based on the current “ti”signal and road speed
3.Momentary consumption (L/h) – based on current “ti”signal only
5.Momentary range (Km) – range left on fuel in tank when reserve light is on
7.Fuel level from the instrument cluster – average value
8.Momentary speed (Km) – current speed averaged over 2 seconds
9.Operating voltage – available to BC from KL R
10.Language for display –
11.Units readout – for display of mileage/gallons – etc.
12.Average speed for arrival time function
13.Momentary arrival computed
14.ROM – date
15.Readout of fault memory – vendor use only
16.I/O port status – vendor use only
17.Encoding of vehicle specific data – vendor use only
18.Alarm mode – for BC code function – pulse or continuous tone
20.Fuel consumption correction factor
21.Software reset function
The test functions are accessed by pressing the “1000” and “10” buttons simultaneously.
Test functions #1, #10, #14, #19 and #21 are unlocked and can be called up by entering the number and pressing SET/RES.
The other test functions are locked out and test #19 must be used to release the test func-tions
for display. The unlock procedure is as follows
Call up test #19 – ” LOCK ON” is displayed in the matrix display.
Use the number input buttons to enter the sum of the day and month displayed on the clock.
Press SET/RES and the computer is now unlocked for display of all test functions
To relock the test functions when through with the testing, call up test #19 and press SET/RES twice.
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