Benelli 2009 TREK1130, Workshop Manual

Page: 561 / 582

DIAGNOSTICS
7 49
6) Connect the wiring, reset the fault
code and activate the engine to
check the fault has been eliminated.
Ok Activity Performed - end the test
The fault remains
Contact Benelli after-sales assistance
TEST
1) Check the integrity of the terminal
and the cable:
- pin ECM 1/B2
- pin ECM 1/C6
Ok Proceed with test 2
Faulty Repair the fault, proceed with test 7
2) Check the resistance value
- pin 1/B2 of ECM to pin 1/E4 of ECM
(dependant on temperature, see
below)
Short circuit
Disconnect the temperature sensor and
proceed to 4
Locate and repair the cables fault and proceed
with test 7
4) Check the wiring for short circuit
- pin 1/C6 to pin 1/B2 of ECM
Ok Proceed with test 5
Short circuit
Locate and restore the wiring fault, proceed
with test 7
5) Check the cable for short circuit
- pin 1/C6 to mass
Ok Proceed with test 7
Short circuit
Locate and repair the wiring fault, proceed
with test 7
3) Check the continuity of the cable:
- pin 1/C6 of ECM to pin 2 of sensor
- pin 1/B2 of ECM to pin 1 of sensor
Ok Proceed with test 5
Ok
Disconnect the temperature sensor and
proceed to 6
Open circuit
Proceed with test 3 Open circuit
RESULT PRECAUTION
LOCATION TEST
FAULT CODE
P0118 C.C. engine temperature sensor Ensure that the connector is inserted correctly.
Disconnect the ECM and proceed with the
location 1 test
Disconnect the sensor and proceed with the
location 1 test.
P0119 C.A. engine temperature sensor Proceed with location test 1
POSSIBLE CAUSE PRECAUTION
COOLING LIQUID TEMPERATURE SENSOR -WALBRO ECU 1
ELEC