MOTO GUZZI 1200 SPORT 4V Service Station Manual page 60

Electrical system
11 Resistance at +60 °C (140 °F)
12 Resistance at +70 °C (158 °F)
13 Resistance at +80 °C (176 °F)
14 Resistance at +90 °C (194 °F)
15 Resistance at +100 °C (212 °F)
16 Resistance at +110 °C (230 °F)
17 Resistance at +120 °C (257 °F)
Pin-out:
•
PIN 1: Ground connection
•
PIN 2: 0-5 V signal
THE CONNECTION DIAGRAMS ARE IN THE ELECTRICAL SYSTEM SECTIONS; PAY ATTENTION
TO THESE DIAGRAMS AS THEY SHOW THE CONNECTOR/COMPONENT AS VIEWED FROM
THE CABLE HARNESS SIDE, THAT IS LOOKING AT THE CABLES WHEN GOING OUT OF THE
"MAIN" CABLE HARNESS AND INTO THE CONNECTOR/COMPONENT.
CAUTION
BEFORE CARRYING OUT ANY TROUBLESHOOTING, CAREFULLY READ THE GENERAL TROU-
BLESHOOTING CONCEPTS FOR ELECTRICAL DEVICES AT THE BEGINNING OF THE CHECK
AND CONTROL SECTION IN THE ELECTRICAL SYSTEM CHAPTER.
AXONE: FUEL INJECTION SYSTEM
AXONE: PARAMETERS
Engine temperature
In case of recovery, this value is set by the control unit.
ELECTRICAL ERRORS
engine temperature sensor P0115 - open circuit, shorted to positive / shorted to negative.
Error cause
•
If the circuit is open, shorted to positive: excessive voltage has been detected at PIN 5 of
the BROWN connector.
•
If shorted to negative: voltage equal to zero has been detected at PIN 5 of the BROWN
connector
Troubleshooting
•
If the circuit is open, shorted to positive: check the sensor connector and the Marelli control
unit connector. If they are not OK, restore the cable harness; if OK, check the continuity of
the sensor; if it is not OK, replace the sensor; if it is OK, check continuity between PIN 5 of
the BROWN connector and PIN 2 of the sensor: restore cable harness if there is not con-
tinuity; if it is OK, reconnect the control unit connector and, with key set to key ON, check
the continuity between the sensor connector PIN 1 and the vehicle ground connection: if
there is not continuity, restore the cable harness; if there is continuity, it means that the cause
of the error is that the cable is shorted to positive and now the cable harness between the
BROWN PIN 5 and PIN 2 of the sensor should be restored. If the air temperature sensor
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ELE SYS - 60
Specification
1200 SPORT 4V
Desc./Quantity
0.750 kOhm
0.530 kOhm
0.380 kOhm
0.280 kOhm
0.204 kOhm
0.153 kOhm
0.102 kOhm