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
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