Fiat 1998 Marea Weekend, Service Manual

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Engine
Fuel system
Marea- Marea Weekend ft **>
99 range
10.
Zeroing
- Make sure that the ignition switch is in the OFF position.
- Check that the climate control is switched off, that the accelerator pedal is not pressed and the accel-
erator control cable is correctly adjusted (see paragraph below).
- Connect switch MPX 97 (tool 1806365000) to the diagnostic socket and place the knob in position 3.
- Connect the diagnostic equipment (Examiner).
- Using the Examiner, enter into the "Control Unit Test" ambient.
- Place the ignition switch in the ON position.
- Using the Examiner, enter the "Active Diagnosis" ambient, then select "Self-adjustment Parameters Re-
set" and "Idle Actuator".
- Confirm Reset and wait for the message "Carried Out".
- Turn the ignition switch to the OFF position and wait for 30 seconds.
Self-learning
- Turn the ignition switch to the ON position and wait for 30 seconds.
- Using the Examiner, re-establish the dialogue with the engine control system.
- Using the Examiner, enter the "Parameters" ambient and in the "Select" menu select the "Idle recognition
Test- carried out" and "Idle recognition signals - synchronized" checks.
NOTE If at least one of the parameters does not conform, turn the ignition OFF and repeat the procedure.
If the non conformity persists, check that the diagnostic cable is correctly connected and that the
instrument is working properly.
- Turn the ignition to the OFF position and wait for 30 seconds.
- Start up the engine without pressing the accelerator pedal and wait for the fan to come on.
- Disconnect the diagnostic equipment.
- Road test the vehicle for several kilometres then, with the engine warmed up, check that the idle is
working properly.
ACCELERATOR CABLE
4
3
1
2
Adjustment
Proceed as described below:
- working on the adjustment nut (2), adjust
the accelerator cable (3) clearance so that,
with the pedal released, the butterfly is
completely closed (adjustment screw 5 in
end of travel position) and the cable clear-
ance (4) is about 5 mm.
- loosen the lock nut (1);
tighten to reduce the clearance
loosen to increase the clearance;
- when the adjustment has been completed,
lock the lock nut.
4F052PJ01
At the end of the adjustment of the cable
during idling, connect the diagnostic equip-
ment to the special intake and check that,
with the pedal fully depressed, the opening
angle of the butterfly is at least 80°.
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