electrodiag_us.pdf

Notes

ELECTRODIAGNOSTIC

Contents

- List of families in the wiring diagrams

- List of electrical components

3 - 21

- List of indicator lights/connectors/specific cases

21 - 24

- Technical abbreviations and interpretation/Identification of wires

24 - 25

- Identification of connectors

- Numbering of wires

27 - 29

- Multiplexing and intersystem

- List of cable functions

32 - 54

- Wiring diagrams explanation

55 - 59

- Principles of multiplexing/Multiplexing application

60 - 77

- Multiplex system precautions

- Initialising engine management computers

76 - 78

- Maintenance indicators initialisation procedure

- Location of electrical parts (main) for all models

80 - 156

- Boxer transponder system/Engine systems interface/CV00

157 - 159

- Special notes on 206 CC & 307 CC

160 - 165

- Coolant temperature sensor function

166

- Radios: Abbreviation/Decoding/Identification/Removal

167 - 175

- Transponder immobiliser/Locking/Key programming/Windows

176 - 190

- Airbag/Pyrotechnic seat belts/Centralised airbag system/ Sunroof 307

191 - 197

- Diagnostic connectors/PPS /Branching wiring bundles

198 - 208

- Refrigeration capacities/Features of lubricants

209 - 217

- Diesel and petrol engine identification list/Oil capacity

218 - 229

- Abbreviation of depollution standards

226

- Vehicle identification

228 -242

- Manufacturing location identification

243

List of families in the wiring diagrams

43 10

Family number

Family 5 - Washers, wipers

50. Windscreen wipers

51. Windscreen washer

52. Rear screen wiper

53. Rear screen washer

54. Headlight wipers, Headlight washers

Function number

Family 1 - Engine and transmission assembly

10. Starting, current generation

11. Ignition, preheating

12. Carburettor supply, injection

13. Carburettor supply, injection

14. Engine fault finding

15. Cooling

16. Gearbox, transmission

17. Electrical motor supply, batteries

18. Gas circuit

19. Alternating current starter

Family 6 - Various assistance mechanisms

60. Front electric windows

61. Rear electric windows

62. Central locking

63. Electrically controlled seat

64. with 6449 electric door mirror

6450 to 6469 blind spot detection

6470 to 6499 steering column

65. Passive safety seat belts

66. Headlight attitude corrector

67. Gearbox and

transmission information

68. Sunroof, quarter panels

Family 2 - Signalling, exterior lighting.

20. Rear fog lights

21. Brake lights

22. Reversing lights

23. Indicators, side repeaters

side lights, hazard lights

24. Daytime running lights, dimmed lights

25. Horns

26. Headlights, Rear lights,

number plate lights, side lights

Family 7 - Driving assistance

70. Braking

71. Variable power-assisted steering

72. Multifunction display, trip

computer, clock

73. Cruise control

74. Black ice warning

75. Front and side proximity detection

76. Under-inflation detection (DSG)

77. Suspension (CSS)

78. Electronic stability program (ESP)

Family 3 - Interior lighting

30. Passenger compartment lighting

31. Closed compartment lighting

Family 4 - Driver information

40. Engine coolant and miscellaneous

coolant information,

current generation

41. Engine oil information

42. Engine air and engine speed information

43. Fuel and preheating information

44. Brake information

45. Suspension information

46. Gearbox and

transmission information

47. Audible warning information

48. Engine management information

49. Opening elements information

Family 8 - Driving comfort

80. Climate control, air conditioning

81. Heating equipment: rear screen and winds-

creen, windows, rear view mirror, cigarette lighter

82. Coded immobiliser with transponder

83. Heated seats

84. Radio, aerial, radiotelephone

85. Navigation, road information

86. Forced entry alarm

87. Electrically controlled blind

88. Towing

89. Storage compartments (glove box, armrests, etc.)

Family 9 - Multiplexing

90. Multiplex network computers

Numbering of devices

0002 Signalling lighting switch

0004 Controls

0005 Wiper switch

1000 Starting safety switch

1001 Cold starting relay

1002 Cold starting pump

1003 Cold starting solenoid valve

1005 Starting prevention relay

1006 Engine blocking actuator

1007 Body tilt sensor

1010 Starter

1015 Stop and start check computer

1020 Alternator

1021 Reversible alternator

1022 Alternator filtering condenser

1025 Dual battery unit

1026 Energy accumulator

1028 Electrical networks supply protective unit.

1029 Network isolation unit

1030 Engine running information relay

1031 Battery charge status unit

1032 Battery cable protection unit

1033 Fuse box from battery

1034 Front fuses information display

1040 General power supply maintenance relay

1041 Emergency stop switch

1042 General relay

1043 Reset switch

1044 Diode unit

1045 Auxiliary reset switch

1050 Starting heating resist. solenoid valve ctrl

1086 Antitheft alarm starting cut-off relay

1087 Starting solenoid valve relay

1088 Trailer cooling supply relay

1089 12V socket supply relay

1100 Distributor

1101 Advance module engine coolant thermistor

1102 Advance module

1103 Advance correction solenoid valve resistance

1104 Advance correction solenoid valve

1105 Ignition module

1106 Valve lift motor (VVT)

1107 Variable valve position sensor

1108 Valve control computer

1109 Cylinder deactivation SV

1110 Ignition distributor

1111 Valve lift motor relay (VVT)

1115 Cylinder reference sensor

1116 Cylinder reference sensor 1

1117 Cylinder reference sensor 2

1118 Inlet cylinder reference sensor

1119 Exhaust cylinder reference sensor

1120 Pinking sensor

1121 Pinking sensor 1

1122 Pinking sensor 2

1125 Accelerator pedal switch

1127 Ignition supply relay

1130 Ignition computer

1131 Cylinder 1 ignition coil

1132 Cylinder 2 ignition coil

1133 Cylinder 3 ignition coil

1134 Cylinder 4 ignition coil

1135 Ignition coil

1136 Ignition coil condenser

1137 Cylinder 5 ignition coil

1138 Cylinder 6 ignition coil

1140 Antipol. module for the carburettor

1141 Coolant reheating plug 1 supply relay

1142 Coolant reheating plug 2 supply relay

1143 Coolant reheating plug 3 supply relay

1145 Throttle opening SV

1146 Coolant reheating spark plugs 1-2 supply relay

1147 Coolant reheating spark plugs 3-4 supply relay

1148 Engine coolant reheating relay 1

1149 Engine coolant reheating relay 2

1150 Preheating unit

1151 Heated fuel filter relay

1155 Preheating relay

1156 Postheating relay

1157 Postheating thermal switch

1158 Pre/postheating control unit

1159 Heater plugs supply link

1160 Heater plugs

1161 Cylinder 1 heater plugs

1162 Cylinder 2 heater plugs

1163 Cylinder 3 heater plugs

1164 Cylinder 4 heater plugs

1190 Coolant circuit reheater

1191 Ignition coil + cylinder reference

1192 Eccentric shaft actuator

1200 Fuel pump relay

1201 Injection pump relay

1202 Tachometric relay

1203 Inertia switch

1204 Impact safety relay

1205 Fuel pump fuse

1206 Transition pump control unit

1207 Transition pump

1208 Diesel injection pump

1209 Low-pressure pump

1210 Fuel pump

1211 Fuel pump-sender unit

1212 Fuel tank air SV

1213 Air pump relay

1214 Shift indicator light

1215 Canister bleed SV

1216 Resistance simulation canister

1217 Canister bleed cut-off SV

1218 Ignition advance cut-off SV

1219 Automatic gearbox inject. throttle potent.

1220 Engine coolant temperature sensor

1221 Diesel fuel thermistor

1222 Accelerometer

1223 Injection air solenoid valve

1224 Absorber closing solenoid valve

1225 Idle speed regulation stepper motor (MMBA)

1226 Idle regulation motor and idle switch

1227 Fuel tank pressure sensor

1228 Idle regul. motor/idle sensor + Hall effect sens.

1229 Variable geometry turbo regulation SV

1230 Additional air control

1231 Automatic gearbox idle speed support unit

1232 Idle speed maintenance SV

1233 Turbocharging pressure regulation SV

1234 Carburettor damper SV

1235 Carburettor breather SV

1236 Deceleration cut-off SV

1237 Pulsair SV

1238 Variable air duct inlet SV (AFP)

1239 Idle speed regulation SV

1240 Inlet air temperature sensor

1241 Pulsair pump

1242 Pulsair relay

1243 Variable distribution SV 1

1244 EGR proportional SV

1245 Altitude switch

1246 EGR function supply relay

1247 EGR engine coolant thermal switch

1248 EGR calibration resistor

1249 Load lever potentiometer (EGR)

1250 Exhaust gas recirc. calc. (EGR)

1251 EGR vacuum pump

1252 Diesel advance correct. relay

1253 EGR all or nothing SV

1254 Load lever switch (EGR)

1255 Pump cut-off SV

1256 Diesel advance SV

1257 - Flow SV (Diesel)

1258 + Flow SV (Diesel)

1259 +/- Flow SV (Diesel)

1260 Injector needle lift sensor

1261 Accelerator pedal position sensor

1262 Motorised throttle

1263 EGR SV + throttle

1264 Swirl SV

1265 Carburettor reheating thermal switch.

1266 Carburettor reheating relay

1267 Diesel throttle SV (air inlet)

1268 Variable distribution SV 2

1269 Fuel reheating resist. relay

1270 Throttle valve reheating resistor

1271 Damper SV

1272 Damper assembly

1273 Oil vapour rebreathing reheating resistor 1

1274 Oil vapour rebreathing reheating resistor 2

1275 Carburettor

1276 Diesel heater

1277 HP pump 3rd piston deactiv. SV

1278 Discharge start sensor

1279 Fuel high pressure regulation SV

1280 Long variable air duct inlet (AFP) SV

1281 Short variable air duct inlet (AFP) SV

1282 Fuel additive computer

1283 Fuel additive pump

1284 Fuel additive injector

1285 Air inlet heating SV

1286 Diesel fuel heater relay

1287 Diesel heating resistor

1288 Diesel heating thermal switch

1289 Inlet coolant heating SV

1290 Injection potentiometer

1291 Degassing coolant SV

1292 Fuel filter relay

1293 Coolant unit integr. proport. coolant SV

1294 Vacuum pump

1295 Turbine discharge SV

1296 Variable air inlet SV

1297 Electric EGR SV

1298 Air vacuum proport. SV

1299 Bypass throttle solenoid valve

13A0 Intake air heater metering

13A1 System air cooler meter feedback sensor

13A2 EGR bypass feedback sensor

13A3 Inlet air pressure and temp sensor

13A4 Engine management single relay 2

13A5 System air cooler bypass

1300 Coolant emulsion sensor

1301 Automatic gearbox signal relay (injection)

1302 Injection supply relay

1303 Ignition and injection supply relay.

1304 Injection duplicate multifunction relay

1305 Richness potentiometer

1306 Automatic gearbox relay shunt

1307 Power multif. double relay

1308 Engine oil pressure sensor

1309 Turbocharger air thermistor

1310 Air flow sensor

1311 Turbocharging overpressure sensor

1312 Air intake pressure sensor

1313 Engine speed sensor

1314 Altitude sensor

1315 Injection resistor

1316 Throttle position sensor

1317 Diesel pump lever position sensor

1318 Throttle switches

1319 Injection coding resistor

1320 Engine management computer

1321 Diesel high pressure sensor

1322 Diesel high pressure regulator

1323 Exhaust gas high temp. sensor

1324 Proportional dosing SV

1325 Fuel high pressure sensor

1326 Injection computer supply fuse

1327 Cam position sensor (Diesel pump)

1328 Rotor position sensor (Diesel pump)

1329 Slide position sensor (D pump)

1330 Injector

1331 Cylinder 1 injector

1332 Cylinder 2 injector

1333 Cylinder 3 injector

1334 Cylinder 4 injector

1335 Cylinder 5 injector

1336 Cylinder 6 injector

1337 Cylinder 7 injector

1338 Cylinder 8 injector

1339 Cylinder 9 injector

1340 Cylinder 10 injector

1341 Particle filter differential pressure sensor

1342 Engine multifunction computer

1343 Downstream exhaust gas high temp. sensor

1344 Upstream exhaust gas high temp. sensor

1345 Oxygen sensor heating relay

1346 Air flow sensor A

1347 Air flow sensor A

1348 Oxygen sensor heating fuse

1349 Material temperature sensor

1350 Upstream oxygen sensor

1351 Downstream oxygen sensor

1352 Front downstream oxygen sensor

1353 Front upstream oxygen sensor

1354 Rear downstream oxygen sensor

1355 Rear upstream oxygen sensor

1356 Braking vacuum sensor

1357 Proportional oxygen sensor

1358 Cat. downstream exhaust gas high temp. sens. A

1359 Cat. upstream exhaust gas high temp. sens. A

1360 ADC1 gateway unit

1361 Turbocharging air heating SV 1

1362 Turbocharging air heating SV 2

1363 Cat. downstream exhaust gas high temp. sens. B

1364 Cat. upstream exhaust gas high temp. sens. B

1365 Heating bracket relay

1366 Heating bracket

1367 Electric. controlled turbocharger. + local contr. A

1368 Electric. controlled turbocharger. + local contr. B

1369 Diesel volumetric regulator

1370 Engine management single relay

1371 Unlocked CCM multif. double function relay

1372 Intake air heating position feedback sensor.

1373 Turbocharging air heating pos. feedback sens.

1374 Turbocharging position feedback sensor

1375 Vertical linkage SV 1

1376 Turbocharging pressure sensor

1377 Electric EGR SV A

1378 Electric EGR SV B

1379 Vertical linkage SV 2

1380 Controlled thermostat (S2RE)

1381 Fuel injection supply cut-off relay

1382 Dual mode exhaust SV

1383 Particle filter upstream exhaust high temp. sens.

1384 Pre-cat. downstream exhaust high temp. sens. A

1385 Pre-cat. upstream exhaust high temp. sens. A

1386 Pre-cat. downstream exhaust high temp. sens. B

1387 Pre-cat. upstream exhaust high temp. sens. B

1388 Oil vap. rebreathing heating res.

1389 EGR motorised throttle valve

1390 Inlet air pressure sensor 2

1391 Air flow sensor 2

1392 WG1 proportional SV

1393 Turbocharger proportional SV 2

1394 EGR bypass throttle SV

1395 Air inlet temperature sensor 2

1396 Gas recirculation SV 2

1397 Compressor SV 2

1398 Intake VANOS SV

1399 Exhaust VANOS SV

1400 TDC sensor

1401 Brake amplifier pressure sensor

1405 Neutral sensor

1410 Exhaust temp. recovery SV

1411 Exhaust temp. recovery pump

1412 Exhaust temp. recovery temperature switch

1413 RTE coolant temperature sensor

1414 Engine speed sensor unit

1500 Engine cooling fan relay (GMV)

1501 Engine cooling fan fuse (GMV)

1502 Left-hand engine cooling fan supply relay

1503 Right-hand engine cooling fan supply relay

1504 Right and left engine cooling fan supply relay

1505 Fan trigger temp.switch.

1506 GMV dual speed resist.

1507 GMV control thermistor

1508 Low speed GMV supply relay

1509 High speed GMV supply relay

1510 Engine cooling fan (GMV)

1511 Right-hand engine cooling fan

1512 Left-hand engine cooling fan

1513 GMV electronic chopper

1514 Medium speed engine cooling fan supply relay

1515 Left interference suppression filter

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