PIAGGIO PORTER 1.3 16V 2008, Service Manual

Page: 451 / 892

cable harness and connector, between the follow-
ing terminals: IAT sensor terminal (X33) - ECU
terminal 76 (THA), IAT sensor terminal (X34) -
ECU terminal 17 (E2),
If the values measured do not match specifications
in the table, replace the cable harness or the con-
nector.
CONTINUITY CHECK
Affected terminals Value measured
76 - X33 < 1 (Ohm)
17 - X34 < 1 (Ohm)
Step 3
IAT sensor check
Check and replace the IAT sensor, if necessary, otherwise check or replace the engine electronic control
unit.
P0115 - Malfunzionamento circuito temperatura liquido raffreddamento
motore
Using the tester DS-21 or OBD II general scanning device
1)
1 . With the ignition switch set to OFF, connect the diagnostic tester DS-21 to the Data Link Connector
through the special tool, or connect the OBD II general scanning device directly to the Data Link Con-
nector.
Specific tooling
020618Y Cable harness for connecting the OBD Connector and the Diagnostic Tester
2 . Set the ignition switch and the tester main switch
to ON. Read the coolant temperature on the diag-
nostic tester DS-21 or on the OBD II general scan-
ning device.
PORTER 1.3 16V
Iniection System
IS - 451