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Trionic engine management system, T7 4-cyl OBD II (from X3020001, Part 3/3)

Trionic engine management system, T7 4-cyl OBD II (from X3020001, Part 3/3)


List of components

No. Name Location Illus.


Components



22a

Main fuse board, dashboard,

on end of dashboard by driver's door



102

Relay, fuel pump,

on main relay board in dashboard



157

Spark plugs,

on the engine



205

Mass air flow sensor,

behind the RH headlamp



206a

Injector, cyl. 1,

on top of intake manifold



206b

Injector, cyl. 2,

on top of intake manifold



206c

Injector, cyl. 3,

on top of intake manifold



206d

Injector, cyl. 4,

on top of intake manifold



229

Main relay, engine management system,

on main relay board in dashboard



271

Heating element, oxygen sensor,

integrated in oxygen sensor



323

Motor, fuel pump,

in fuel tank



346

Ignition discharge module,

on camshaft cover



589

Control module, Trionic 4-cyl OBDII,

in space (cabin side) in front of windscreen on passenger side



592Fa

Heated oxygen sensor 1, OBDII,

in front of the catalytic converter



592Ra

Heated oxygen sensor 2, OBDII,

after the catalytic converter



605

Solenoid valve, turbo by-pass,

in engine bay on bulkhead by connector H42-5







4-pin connectors



H4-2

Under rear seat







42-pin connectors



H42-5

In the centre of the bulkhead (engine-bay side)







80-pin connectors



H80-1

In the connector console under the left-hand A-pillar







Crimp connections



J15

Approx. 100 mm from grounding point G7 towards oxygen sensor



J16

Approx. 20 mm from cable tie on Trionic control module connector



J18

Approx. 70 mm from branching point of injector 4 towards injector 3



J20

Approx. 115 mm from branching point of crankshaft position sensor towards connector H42-5



J24

Approx. 45 mm from cable tie on Trionic control module connector



J55

Approx. 125 mm from DICE branching point towards main relay board



J93

Approx. 300 mm from the branching point of grounding point G5 towards the left-hand rear door.







Grounding points



G5

Under the back seat in the left-hand corner.



G7

On the engine