Downloaded from www.Manualslib.com manuals search engine OPERATION No MA. 01 : 1’. I, -1’ IO c ( lOi, o/ I/J<, c~lcrlricnl /l/lilS. Op. MA. 01 1 PROTECTION OF THE ELECTRICAL UNITS
PRECAUTIONS WHEN CARRYING OUT WORK ON THE CAR
1. Battery :
a) Disconnect the negative terminal first, then the positive one.
b) Ensure the battery is properly connected, with the negative terminal being connected
to earth.
c) Carefully connect both leads to the battery terminals, the negative lead being connected
last.
Before connecting the negative lead ensure that there is no flow of current. This can
be established by briefly touching the negative terminal pith the lead end : sparks
indicate a short circuit which must be corrected first.
d) Before using the starter ensure that the two leads are correctly tightened on their
respective terminals. $ 2. Alt ernator-Regulator :
a) Do not rotate the alternator unless it is connected to the battery.
0
2
2 b) Before connecting the alternator ensure that the battery is correctly connected
2 (negative terminal to earth ).
c) Do not check the operation of the alternator by short-circuiting either the positive or
the u EXC )) terminals and the earth terminal.
d) Take care not to reverse the leads connected to the regulator.
e) Do not attempt to re-energize the alternator : this is never necessary and in any case
would damage both the alternator and the regulator.
f ) Do not connect a suppressor capacitor at the u EXC )) terminal of the alternator or the
regulator.
g) Do not connect a charging unit to the battery and never carry out arc welding ( or spot
welding) on the car chassis unless both the positive and the negative leads are
disconnected from the battery. 3. Ignition coil :
4. Q.I. Headlamps :
a) Connect the supply lead of the coil to the external ballast resistor terminal and not to
the coil itself.
b) Connect the suppressor with a jump lead to the feed terminal of the coil. Only fit the
suppressor recommended by the factory.
a) Only replace a Q.I. bulb with the headlamps switched off. After having used the head-
lamps, it is wise to let them cool down for five minutes before handling.
b) Do not touch a Q.I. bulb with bare fingers. Any fingerprints on the bulb must be cleaned
off with soapy water and the bulb dried with a lint-free cloth.
Downloaded from www.Manualslib.com manuals search engine Op. MA.IE. 144-O 1 I - PRECAUTIONS TO BE TAKEN WHEN WORKII;(G ON A VEHICLE FITTED WITH THE (t L-JETRONIC n
SYSTEM.
1.
Do not run the engine if the battery leads are improperly secured
2. Do not use a quick-start charging trolley for starting the engine
3. Never disconnect the battery with the engine running
4. When charging the battery, disconnect the leads
5. Before checking the injection system, check the ignition : (advance, advance curve, proper grade of plugs 1
6. Remove the E C U before putting the vehicle through a paint-stoving oven
7. Check the conditions of the various connections
8. Never disconnect the E,C U. while the ignition is on
9. When checking compression, disconnect the positive terminal of the coil (in order to stop the injection signal). 10.
When carrying out a check requiring an ohmmeter, use exclusively a battery-powered ohmmeter. II. FAULT-FINDING.
1. THE ENGINE DOES NOT START, OR IS DIFFICULT TO START . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 2
2. THE ENGINE STARTS, THEN STOPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 3
3. UNSTABLE OR INCORRECT IDLING SPEED, EXCESSIVE FUEL CONSUMPTION ........................ P:5
-4. ENGINE MISFIRES AT .ALL SPEEDS ........................................................................................................
P. 7
5. LACK OF POWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................ P. 9
