Fiat 1996 Brava Service Manual page 305

Engine
Fuel system
Bravo- Brava 9 *»
'98 range
ENGINE CONTROL UNIT
Removing - refitting
Remove the control unit as follows:
- disconnect both connectors in two stages:
A) turn the metal hook up to release the
connection;
B) pull away the connection;
- unscrew the control unit retaining bolts and
remove.
Proceed as follows to refit the connector:
- move the connector into contact with the
control unit;
- turn the metal hook until completely closed.
NOTE If the engine control unit is replaced,
connect a tester (EXAMINER) to the
tester connection and and run the self-
learning procedure for engine idle ad­
justment actuator (M.D.S) data as de­
scribed in the "THROTTLE BODY"
paragraph.
LAMBDA SENSOR
Removing - refitting
Disconnect electrical connection (1) and re­
move sensor (2) from its seat on the exhaust
manifold.
When refitting, spread the threading with lubri­
cant grease resistant to high temperature.
Engine R P M and TDC sensor
Removing-refitting
Disconnect the electrical connection.
Unscrew the retaining bolt and remove the
sensor.
Check the gap
Check the distance between sensor and phonic
wheel teeth (gap).
Gap: 0.5 - 1.5 mm
NOTE Whenever the sensor mount is serviced
(e.g. gap not as specified, sensor not
aligned etc.), the sensor must be cor­
rectly positioned and aligned with its
mount as described in the engine
service manual.
54
V-99- Supersedes previous version
Publication no. 506. 670/20