Page 165 of 2492
DIESEL EQUIPMENT
Special notes
13
2. Control by altimetric capsule
At altitude, when atmospheric pressure is
approximately 925 ± 20 mbars, the ALFB
solenoid valve is fed via a relay and the
altimetric capsule.
KEY
257Pre-heating unit
597Engine fuse box
711ALFB solenoid valve mounted on injection
pump
741Altimetric capsule
743Altimetric relayLOCATION
Altimetric capsule (741)
PRJ9925799334R
13-19
Page 183 of 2492
DIESEL EQUIPMENT
Fuel filter
13
LOCATION
Principle of the electric heater
The heater has heated studs. They are ceramic,
made from barium titanate which has a positive
temperature coefficient, meaning that its
resistance increases as its temperature increases.
99332R
1Fuel filter
2Electric heater
3Hand priming unit
The electric diesel fuel heater and the thermostat
are integral in the head of the filter.
DIAGRAM
PRJ99258
449Electric heater
450Diesel heating relay
597Engine fuse box
645Passenger compartment fuse box Operating temperature
Electrical circuit closes: 0°C
Electrical circuit opens: from 8°C
Heater power: 150 W
13-37
Page 227 of 2492
IGNITION
Static ignition
17
99365R
K7M engine
Electrical connector
Track Allocation
1+anti-interference
condenser
2 +after ignition
3 coil control via computer
Connector
Track number+-
123 Coil connector track identification
Inscription on connector
Test to be made
between tracksResistance
K7M engine F3R engine
1 - 2 0.5 Ω0.2 Ω
1 - 3 1 Ω1 Ω
2 - 3 1 Ω1 Ω
HT - HT10 kΩ8 kΩ
F3R - K7M
engines
DIAGRAM
PRJ99029
KEY TO COMPONENTS
120Injection computer
597Engine fuse box
663Dual output ignition coil for cylinders
1 and 4
664Dual output ignition coil for cylinders
2 and 3
679Anti-interference condenser, connected to
coil:
-664 for F3R engines
-663 for K7M engines (dotted line)
17-3