Nexus 500
YES go to 4 NO go to 5
4 - The ambient pressure signal is correct.
5 - Replace the injection control unit.
Throttle valve opening sensor
Throttle position sensor (t.p.s.)
Electric characteristic
TERMINALS: 1 - 22
CONDITIONS: Switch set to "ON"
STANDARD: 5 V
TERMINALS: 11 - 22
CONDITIONS: Opening the throttle gradually
STANDARD: Volt= Progressive increase
Injection
INJEC - 87