Fig. 7.3. Electrical diagram of the Peugeot 305 car produced after 1985 (Peugeot 305)

Figure 7.3. Electrical diagram of the Peugeot 305 car produced after 1985

Conventional designations

1 Cigarette lighter, front
3 Cigarette lighter, rear
5 Distributor
9 Idle speed control system actuator (idle speed control solenoid)
10 Generator
11 Transistor (heater blower control) (power transistor) -
13 Rack (grounding)
14 Ammeter (battery charge)
20 Electric radio antenna
25 Sound signal
25A Sound signal, low tones
25V Sound signal, high tones
27 Connector (connecting a trailer)
28 Light controller (low beam)
30 Radio receiver
35 Actuator (fuel supply) (VP15)
40 Radio balance control, front
41 Radio balance control, front/rear
45 Battery
46 Control unit (voltage supply)
47 Diode block
Block 48 (electric pump group - EPG)
49 Block (fuse box group - FBG)
50 Ignition coil
53 Control unit (exhaust emissions) for the leading carburetor
54 Emission Control Unit (ignition advance modulator)
55 Emission Control Unit (injection lag at idle speed)
56 Automatic transmission control unit (idling)
57 Anti-theft alarm
58 Control unit (ignition)
60 Control unit (air conditioning)
61 Electronic block (anti-lock braking system)
65 Control unit (wiper)
66 Control unit (power steering)
75 Control unit (ignition) or amplifier reading module
76 Lamp burnout detector
80 Cruise control unit
85 Oil level indicator
86 Coolant level indicator
90 Control unit (central locking)
95 IR signal receiver (PLIP)
96 Control unit (knock sensor)
97 Thermostat (passenger compartment)
98 Electronic control unit for differential lock
110 Control unit (pre-heater)
111 Control unit (fuel supply cut-off during engine braking.)
112 Control unit (fuel flow) (on-board computer)
113 Electronic control unit (injection advance)
114 Control unit (coolant temperature, air conditioning)
115 Glow plug
120 Terminal connector
121 Buzzer (P4, coolant temperature, oil pressure, battery discharge warning light)
122 Buzzer (direction indicators) (P4)
125 Sound signal (fasten your seat belt)
126 Sound signal (the key is left in the ignition with the driver's door open)
127 Sound signal (too much speed)
128 Sound signal (headlights are not turned off, a door is open, or the "STOP" indicator lamp is on)
129 Capacitor (radio interference suppression)
130 TDC sensor
131 Terrain elevation sensor above sea level
132 Knock Detector
133 Engine speed sensor
134 Absolute pressure sensor
135 Sensor, potentiometer (econoscope vacuum)
136 Sensor (removing fog from the rear window)
137 Pressure sensor (intake manifold)
138 Pressure sensor
140 Speed sensor, speedometer cable
155 Leading carburetor
160 Battery Isolator
165 Instrument panel
187 Connector (emission management regulation)
168 Switch (starter/preheater)
170 Switch (luggage compartment lighting)
171 Switch (mixture enrichment) (LPG)
172 Switch (air filter clogging indicator light)
173 Switch (license plate lighting)
175 Switch (door lock)
176 Vacuum Circuit Breaker (LPG)
177 Switch, left front door lock (door open position detector)
178 Switch, right front door lock (door open position detector)
179 Switch, left rear door lock (door open position detector)
180 Switch, right rear door lock (door open position detector)
181 Switch, trunk lid lock (lid open position detector)
182 Switch, hood lock (lid open position detector)
185 Switch of s-op-signals
186 Switch (brake pedal travel)
190 Switch (handbrake)
195 Switch (low freon pressure)
196 Switch (average freon pressure)
200 Thermal switch (freon)
205 Switch (glove compartment lighting)
210 Switch (seat belt)
211 Display switch (on-board computer)
215 Switch (starter lock)
216 Reverse light switch
217 Switch (reverse lights/starter interlock)
220 Switch (heating/ventilation system fan)
221 Switch (rear heating/ventilation fan)
225 Switch (choke on indicator light)
229 Switch (ignition switch/steering column lock)
230 Door switch, left front
231 Door switch, right front
232 Door switch, left rear
233 Door switch, right rear
234 Sound buzzer control switch (the ignition key was left in the lock)
235 Switch (drop in brake fluid pressure)
236 Switch (brake fluid level)
237 Switch (coolant level)
238 Switch (detection of water in fuel)
239 Switch (washer fluid level in the reservoir)
240 Limit switch (manhole cover)
241 Gas pedal switch (idling)
242 Switch (idling)
243 Switch (power set) (P4)
247 Switch (rear differential lock)
248 Switch (front differential lock)
249 Switch (windshield wiper blockage)
250 Cruise control switch (on the brake pedal)
250A Cruise Control Switch (on the clutch pedal)
251 Throttle Switch (Idle + Full Load)
252 Level relay (anti-lock braking system)
253 Switch (driver's seat safety belt)
254 Switch (passenger seat belt)
260 Switch (exterior lights/direction indicators/horn)
261 Switch (exterior lights/windshield wiper/washer)
262 Switch (exterior lights/windshield wiper/direction indicators/horn)
263 Switch (windshield wiper/washer)
264 Switch (exterior lights/horn)
265 Switch (direction indicators/horn)
266 Cruise control switch
267 Switch (cruise control/turn signals)
268 Switch (light switch)
269 Switch (exterior lights/lights off) (P4)
270 Switch (windshield wiper) (P4)
275 Driver's seat position adjuster
276 Left side rearview mirror position regulator
277 Right side mirror position regulator with rear view
280 Auxiliary air flow regulator (cold start)
281 Connector (fuel heating)
285 Capacitor (positive of ignition coil)
286 Capacitor (turn signal flasher)
290 Tachometer
295 Compressor
296 Pneumatic Sound Signal Compressor
300 Starter
301 Vapor Release Valve (PLG)
302 Diode (relay protection)
303 Diode (rear fog lights)
304 Protective diode (electronic control unit)
305 Control diode (high coolant temperature warning light)
306 Control diode (brake system warning light)
307 Diode (air conditioning system control)
308 Diode (headlight dimmer)
309 Diode (electric fan)
310 Diode (compressor)
311 Diode (ceiling lamp)
312 Diode (speech synthesizer)
313 Flow sensor
314 Diode (locking the trunk lid)
328 Solenoid valve (turbocharger regulator)
329 Solenoid valve (reducing speed in cruise control mode)
330 Solenoid valve (air conditioning system)
331 Solenoid valve (exhaust gas recirculation system) (leading carburetor)
332 Solenoid valve (opening the carburetor throttle valve)
333 Solenoid valve (injection cut-off during engine braking)
334 Solenoid (emission control system modulator)
335 Solenoid (exhaust emissions)
336 Solenoid (carburetor breather)
337 Main solenoid (anti-lock braking system)
338 Control solenoid (anti-lock braking system)
340 Solenoid (pump stop)
343 Solenoid valve (air intake)
344 Solenoid (turbine fan)
345 Solenoid valve (fast idle speed stabilizer)
346 Solenoid (carbon filter)
347 Solenoid (cruise control)
348 Injection advance solenoid (diesel engine)
349 Solenoid valve (temperature control)
350 Switch illumination
351 Instrument panel lighting
355 Heating control panel illumination
361 Interior light that comes on when the door is opened
364 Cigarette lighter illumination
365 Lighting for luggage compartment or tailgate
375 "Glove compartment" lighting
380 Engine Lighting
385 Number plate light, left
386 Number plate light, right
392 Ignition switch illumination
396 Floor lighting (from the passenger side)
397 Threshold lighting (from the driver's side)
398 Threshold lighting (from the passenger side)
400 Gear selector illumination (models with automatic transmission)
410 Compressor clutch
420 Fuel cut-off (carburetor idle speed)
425 Map reading lamp
440 Side light, left
441 Side light, right
445 Rear combination light, left
446 Rear combination light, right
452 Side light, left rear
453 Side light, right rear
455 Door lamp, left
456 Door lamp, right
457 Front fog light, right
458 Front fog light, left
460 Rear fog light, left
461 Rear fog light, right
462 Reverse Light
463 Stop signal
464 Reversing light + fog light (rear)
465 Noise suppression filter (tachometer)
466 Fuse holder (+ auxiliary devices, anti-lock braking system)
467 Fuse holder (for the anti-lock braking system warning light)
468 Fuse holder (power circuit, anti-lock braking system)
469 Fuse holder (lambda sensor heater)
470 Fuses (fuse box)
471 Fuse holder (radio)
472 Fuse holder (locks)
473 Fuse holder (low beam)
474 Fuse holder (speech synthesizer)
475 Fuse holder (carburetor heater)
476 Fuse holder (cruise control)
477 Fuse holder (feed pump)
477A Fuse Holder (power supply for the injection and ignition system control unit)
478 Flashing Lights (traffic priority)
479 Fuse holder (pump, anti-lock braking system)
480 Direction indicator, left front
481 Direction indicator, right front
482 Direction indicator, left rear
483 Direction indicator, right rear
484 Side light/direction indicator, left front
485 Side light/direction indicator, right front
486 Noise suppression filter (speech synthesizer)
487 Fuse holder (control unit, fuel supply VP15)
488 Fuse holder (control unit, injection advance controller VP15)
489 Fuse Holder (Cooling Pump Group - CFG)
490 Pulse Generator (Speed)
491 Rotating lantern
500 Column, front left
501 Column, front right
502 Column, rear left
503 Column, rear right
505 Hour counter (P4)
510 Switch (front fog lights)
512 Switch (rear fog lights)
512 Switch (auxiliary headlight)
513 Switch (siren)
514 Switch (rotating lantern)
515 Switch (rheostat, instrument panel lighting)
516 Switch (parking lights)
517 Switch (common - army P4)
518 Test switch (problems with oil, coolant, or battery charging) (P4)
519 Switch (sound signal) (P4)
520 Switch (window lifter - driver's door)
521 Switch (window lifter - passenger door)
521A Switch (window lift, passenger door)
522 Switch (window lifter - left rear door)
523 Switch (window lifter - right rear door)
524 Switch (window lifter - left rear door) (in the luggage compartment)
525 Switch (window lifter - right rear door) (in the luggage compartment)
526 Safety switch (rear window lifts)
527 Switch (high/low beam)
530 Switch (manhole cover)
532 Switch (rear window defroster)
535 Switch (heated driver's seat)
536 Switch (heated passenger seat)
540 Switch (pre-heater)
545 Switch (central roof light)
548 Test switch (brake pad wear warning light)
549 Diagnostic switch (diesel engine)
550 Switch (rear window cleaner)
552 Switch (headlight cleaner)
555 Switch (fuel supply indicator light)
556 Switch (police siren)
557 Switch (rotating lantern)
558 Switch (air fan)
560 Switch (signal buzzer)
565 Switch (pressure drop)
566 Switch (air conditioning system control)
567 Switch (cruise control)
570 Switch (hazard warning light)
571 Test switch
572 Switch (exterior lights, police version)
574 Injectors
575 Cold start injector
576 Information display (injection control unit)
580 Block on the fuel tank
590 Map reading lamp
591 Coolant temperature gauge
592 Turbocharger pressure indicator
593 Fuel pressure gauge
594 Oil temperature gauge
595 Oil pressure gauge
598 Electronic ignition control unit
600 Windshield wiper motor
601 Rear window wiper motor
605 Left headlight washer motor
606 Right headlight washer motor
607 Heater flap motor
610 Sunroof Motor
615 Left front window lift motor
616 Right front window lift motor
617 Left rear window lift motor
618 Right rear window lift motor
620 Electric motor of the ventilation heating system fan
625 Actuator (front left door lock)
626 Actuator (front right door lock)
627 Actuator (rear left door lock)
628 Actuator (rear right door lock)
629 Actuator (trunk lid lock)630
630 Electric Motor (fuel tank cap lock)
631 Electric Motor (driver's seat safety belt)
632 Electric Motor (passenger seat belt)
635 Electric Motor (cooling fan)
636 Electric Motor (air conditioning fan)
640 Hours
645 Pressure relay (brake servo booster)
646 Pressure relay (power steering)
647 Pressure relay (turning off the air conditioning system)
650 Oil pressure relay
651 Vacuum switch/pressure relay)
652 Pressure relay (turbocharger shutdown)
653 Wide Open Throttle Enrichment Switch
654 Injection advance curve selector switch
660 On-board computer
660A On-board computer keyboard
660V Display (on-board computer)
668 Positive Temperature Coefficient (PTC) Resistance
669 Throttle Potentiometer 669A Potentiometer (gas pedal) (diesel engine)
670 Headlight, left
671 Headlight, right
672 Headlight tinting (P4)
673 Auxiliary headlight, left
674 Auxiliary headlight, right
675 Brake pads, left front
676 Brake pads, right front
677 Brake pads, left rear
678 Brake pads, right rear
679 Vacuum pump (cruise control)
680 Washer pump (front)
681 Washer pump (rear)
682 Headlight washer pump
683 high-pressure fuel pump
684 Fuel booster pump
685 Heater core
686 Hydraulic pump (anti-lock braking system)
688 Interior light, front
689 Interior light, rear
690 Interior lighting lamp, central
691 Interior light, front left
692 Interior light, front right
693 Interior light, rear left
694 Interior light, rear right
697 PIIP
700 Pressure Relay
705 Terminal block
706 Service Terminal Block 7U Electrical Socket (battery powered)
720 Diagnostic socket
721 Test socket (injection)
723 Front fog light, left
724 Front fog light, right
727 Lambda Sensor Heating System Relay
728 Relay (seat belt) (without an electric motor)
729 Relay (emission control system)
730 Relay (starter)
731 Relay (pre-heater)
732 Relay (fan clutch)
733 Relay (fan electric motor)
734 Relay (hour meter) (P4)
735 Relay (high beam)
736 Relay (auxiliary headlights)
737 Relay (low beam)
738 Heating/Ventilation Fan Relay - High Speed)
740 Relay (ignition coil)
741 Relay (ignition coil resistance)
742 Relay (cold start system control)
743 Relay (compressor)
744 Tachometer relay or pump control relay
745 Relay (pneumatic horn compressor)
746 Tachymetric relay (fuel cut-off during engine braking)
747 Relay (CLT)
748 Relay (emission control system electronic control unit)
749 Relay (cold start fuel cutoff)
750 Relay (front fog lights)
751 Relay (rear fog lights)
752 Relay (compressor shutdown) (105°)
753 Relay (pump, anti-lock braking system)
754 Relay (power circuit, anti-lock braking system)
755 Relay (headlight cleaner)
756 Relay (headlight washer timer)
757 Relay (selecting the injection advance curve)
758 Brake system warning lamp relay (anti-lock braking system)
760 Relay (rear window defroster)
761 Rep (rear window lift)
762 Relay (front window regulator)
763 Relay (manhole cover)
764 Relay (tilt sunroof + central locking)
765 Relay (windshield wiper)
766 Relay (rear window cleaner)
767 Relay (signal lamp) (P4)
770 Relay (auxiliary electrical equipment)
771 Relay (visual signal)
772 Relay, two-speed (mixture composition control)
773 Relay (carburetor heater)
775 Relay (starter insulator)
776 Relay (turning off cruise control)
777 Relay (power supply of the leading carburetor)
778 Relay (fuel booster pump)
779 Control relay resistance RTS
780 Relay (headlight dimmer)
781 Relay (too much speed)
782 Relay (ignition system power supply)
783 Relay (injection system power supply)
784 Relay (on-board computer/cruise control/speech synthesizer)
785 Relay (brake system warning light) (australian models)
786 Ignition coil resistor
787 Resistor (heating/ventilation system fan)
788 Resistor (two-speed cooling fan)
789 Resistor (headlight dimmer)
790 Fuel heater (diesel engine)
791 Carburetor heater
793 Resistor (pre-heater) (P4)
794 Resistor (injection synchronization)
795 Rheostat (dashboard lighting)
800 Voltage Regulator
801 Control pressure regulator
810 Side turn signal repeater, left
811 Side turn signal repeater, right
812 Rheostat (temperature display)
814 Side rearview mirror, left
815 Side rearview mirror, right
817 Seat heater (front left)
818 Seat heater (front right)
820 Buzzer
821 Diagnostic socket
829 Servo Block (power steering)
830 Servo Block (cruise control)
832 Sensor (evaporator)
833 Sensor (air)
834 Sensor (cabin air temperature)
835 Sensor (oil level)
836 Fuel flow sensor (on-board computer)
837 Sensor (coolant level)
838 Sensor (mixture ratio regulator)
840 Sensor (high temperature)
841 Siren
845 Speech synthesizer
846 Sensor (body temperature) (exhaust system)
847 Sensor (temperature control in the passenger compartment)
848 Lambda System Sensor
849 Sensor (outside air temperature)
850 Thermal Switch (cooling fan)
852 Thermal switch (transmission oil)
853 Thermal switch, 18°C (coolant temperature)
855 Thermal switch (cooling system)
861 Thermal switch, 40°C (coolant temperature)
862 Thermal switch, 60°C (coolant temperature)
865 Electronic thermostat (air conditioning system)
870 Fuel start mode switch (cold start)
871 Thermal switch, 158°C (air temperature)
880 Tachograph
885 Thermal switch (seat belt)
886 Thermal switch (interior lighting lamp)
887 Thermal Switch (headlight washer)
888 Sensor (oil temperature gauge)
889 Temperature sensor (injection system)
890 Sensor (liquid temperature gauge)
891 Electronic temperature sensor (heating/ventilation system)
892 Oil temperature sensor
893 Thermal switch (rear window cleaner)
89ZA Thermal Switch (windshield wiper)
894 Temperature sensor (cooling fan control unit) (liquid cooling)
895 Sensor (emission control system)
896 Thermistor (intake air temperature)
897 Tester (anti-lock braking system)
898 Oil pressure sensor
899 Tester Block (adjustable power steering)
929 Dosing valve (cruise control)
930 Fan with electromagnetic clutch
935 Heating/Ventilation Fan
936 Heating/Ventilation Fan, Rear
945 Rear window defroster
950 Fan
955 Pusher (driver's seat)
960 Fan (air conditioning system)
965 Cold start valve
970 Voltmeter
+AA Power supply from auxiliary terminal
+AC Power supply from ignition switch
BL Shielded cable
+D Power supply from the starter
L1 Signal lamp (seat belt)
L2 Direction indicator lamps
L3 Signal lamp (low fuel level)
L4 Signal lamp (high beam)
L5 Signal lamp (emergency alarm system)
L6 Signal lamp (parking/tail lights are on)
L7 Signal lamp (battery discharge)
L8 Signal lamp (pre-heater)
L9 Signal lamp (the choke is on)
L30 Signal lamp (oil pressure)
L11 Signal lamp (oil and coolant)
L12 Signal lamp (coolant temperature)
L13 Signal lamp (braking system)
L14 Signal lamp (rear fog lights)
L15 Signal lamp (fuel supply)
L16 Signal lamp (the brake lights are on)
L17 Signal lamp (brake fluid level/brake lights on)
L18 Signal lamp (failure of parking lights)
L19 Signal lamp (failure of tail lights)
L20 Signal lamp (washer fluid level)
L21 Signal lamp (coolant level)
L22 Signal lamp (engine crankcase oil level)
L23 Signal lamp (brake pad wear)
L24 Manual test switch (oil temperature)
L26 Signal lamp (the door is open)
L27 Signal lamp (failure of the tail light or rear fog light)
L30 Signal lamp (rear differential lock)
L31 Signal lamp (front differential lock)
L32 Signal lamp (knock detector)
L33 Signal lamp (diagnostics)
L34 Signal lamp (there is water in the fuel)
L35 Signal lamp (low beam)
L36 Signal lamp (trailer direction indicator)
L37 Signal lamp (power set) (P4)
L39 Signal lamp (catalytic converter)
L39 Signal lamp (the anti-lock braking system is working)
M Grounding
+P Battery power supply