Gear Sensor (Neutral, 2, 3); Error Lamp - KTM 990 Adventure Repair Manual

1
2
3
Clutch switch
(input)
The clutch switch status can be scanned with the KTM diagnostics
1
tool.
NOTE: the clutch switch delivers a ground signal to the ECU when
actuated, this function is especially important for the idle speed
control.
– Ground supply (brown cable) at connector AL1.
– Check the wiring from connector AL1 to connector AO for continuity.

Gear sensor (neutral, 2, 3)

The current status of the gear sensor
diagnostics tool.
Respective gear engaged: max. 3.31 volts
Respective gear not engaged: min. 4.14 volts
In case of an error, perform the following tests:
– Check the wiring from connector AM2
continuity.
NOTE: This function is especially important for the idle speed control.

Error lamp

(output)
The error lamp (FI) can be tested with the KTM diagnostics tool.
NOTE: the error lamp must light up for 2 seconds and then go out after
the ignition is switched on if no ignition error is detected by the ECU.
If the error lamp does not switch on, perform the following tests:
– There must be positive ouput voltage at connector CO Pin 16 (with
the ignition on, white cable).
– Check the wiring from connector CO to connector AA Pin 8 for
continuity.
(input)
can be scanned with the KTM
2
to connector AO for
3
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