All model variants from 99 - 2005 can enter this test mode simply by pressing and holding the dash IPK trip button for 4 seconds.
Dash diagnostics for coolant temp........
Press to no 19
As soon as LOG OFF appears
Press to no 7.
A reading of 088 is 88C etc
Bear in mind the temp guage reads midscale between 74C and 116C so not very sensitive by design.
The OBD mode is quite accurate.
All variants except 1.8 ........
The cooling fan should switch in to low speed at 100C and cuts out when coolant back down to 96C
(1.8 fan on at 105C and off at 100C)
Hold trip in again until test appears and toggle button to no9.
Now you have a built in Voltmeter 👍
Test no 2 is a full bulb test for the IPK.
We call it Xmas tree mode !
There's a few more test modes but the above are the most useful
@Jules75ZT
75 Specialist since 2005
Негізгі бет Музыка Entering OBD test mode Rover 75
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