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Nexus 500
Injection
YES go to 21 NO go to 17
17
Electric characteristic
Measured value =
5±0.2 V
Repeat the wiring and sensor continuity checks.
YES go to 18
18
Electric characteristic
Measured value =
0 V
Repeat the sensor circuit earth insulation check.
YES go to 19 NO go to 20
19 - Check the control unit connector. Check the control unit power supply. Replace the control unit, if
necessary.
20 - Repair or replace the cable harness.
21 - Start the engine and check that voltage decreases gradually according to the air filter box temper-
ature increase.
N.B.
WITH MILD WEATHER, 30° C CAN BE EASILY REACHED AFTER A FEW MINUTES OF STOP
WITH IDLE ENGINE.
INJEC - 269
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