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  # 1  
Old 25-08-16, 09:05
matt summers matt summers is offline
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Join Date: Mar 2016
Location: south wales / uk
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will not enter diagostic mode, er 1 plus temp light

hi guys,

my 08 xt660x will not enter diagnostic mode? I have the temp light on the dash lit up, no speedo read out and er 1 on screen, however bike runs fine and is in daily use. tried to enter diagnostic mode for some clues as to where to look and it wont? also mabe not connected but my brake lights do not work, off the bars or the foot pedal. any help appreciated
thanks
matt
  # 2  
Old 25-08-16, 11:18
Pleiades Pleiades is offline
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Er-1 is an error indicating the output signal from the ECU is not being received by the dash/meter; this is why there is no speedo display and the temperature light is on. By far and away the main cause of this is either a broken, abraded or damaged wire in the loom between dash and ECU, or a furred up connector making poor contact. Check the loom visually first, and if nothing is obvious check continuity with a multimeter.

The brake light issue maybe unconnected, but as both switches don't operate the light it must be either a fuse, broken supply wire, poor connector contact or, the thing to try first - the bulb has gone!

It is however quite plausible that whatever wiring fault/connector issue is causing the Er-1 is in the loom at the same point as the issue with the brake light wiring. For example, if particular part of the loom has worn through one or more circuits maybe affected.
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  # 3  
Old 25-08-16, 11:44
matt summers matt summers is offline
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Join Date: Mar 2016
Location: south wales / uk
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hi,

thanks for the reply,
fab ill get searching later on for the main loom and connectors then
cheers
matt



Quote:
Originally Posted by Pleiades View Post
Er-1 is an error indicating the output signal from the ECU is not being received by the dash/meter; this is why there is no speedo display and the temperature light is on. By far and away the main cause of this is either a broken, abraded or damaged wire in the loom between dash and ECU, or a furred up connector making poor contact. Check the loom visually first, and if nothing is obvious check continuity with a multimeter.

The brake light issue maybe unconnected, but as both switches don't operate the light it must be either a fuse, broken supply wire, poor connector contact or, the thing to try first - the bulb has gone!

It is however quite plausible that whatever wiring fault/connector issue is causing the Er-1 is in the loom at the same point as the issue with the brake light wiring. For example, if particular part of the loom has worn through one or more circuits maybe affected.
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