- If the operation failure detected afterwards has a
lower priority or the same priority than the previous
one, data are not updated.
10. Clearing the frozen image data. The frozen im-
age data are cleared at the same time the failure
code is cleared. Except for vehicles equipped with
electrically controlled automatic transmission, the
frozen image data can be cleared at the same time
the failure code is cleared selecting the option
"failure code clearing (others)".
Misure di sicurezza per la diagnosi
Data link connector (common destinations)
The vehicle engine electronic control unit adopts
the ISO 14230 protocol (Euro-OBD). As regards
the position, shape of the connector and pin layout,
the data link connector complies with the stand-
ards ISO 15031-3 (SAEJ1962) and the format ISO
14230. The OBD II serial data line (ISO 14230 K
line) is used for the OBD II general scanning de-
vice or for the diagnostic tester DS-21, to allow
communication with the electronic control unit.
DLC CONNECTOR KEY
Specification
Desc./Quantity
16 Battery powered
13 ECU - T
12 EFI - T
9 REV - Engine revs signal
7 OBD II serial data line (ISO 14230 K line)
Present during transmission
5 ECU ground
4 Chassis ground
N.B.
WITH THE CABLE OF THE DIAGNOSTIC TESTER DS-21 CONNECTED TO THE DATA LINK CON-
NECTOR BY MEANS OF THE CONTROL UNIT SELF-DIAGNOSIS CONTROL CABLE HARNESS,
SET THE IGNITION SWITCH TO ON. IF THE TESTER VOLTAGE INDICATOR DOES NOT TURN
ON, PERFORM THE FOLLOWING CHECKS AND REPAIR THE PARTS NOT WORKING PROPER-
LY.
Iniection System PORTER 1.3 16V
IS - 404
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