Scheme 2-9. Engine control unit, preliminary lambda probes... (Audi A6 C5)

Scheme 2-9. Engine control unit, preliminary lambda probes, mass air flow sensor

G39	lambda probe 1
G70	mass air flow sensor
G108	lambda probe 2
J220	engine control unit
S13	fuse
T6as	6-pin black plug of lambda probe 1 on the exhaust manifold of the right cylinder head
T6av	6-pin black plug of lambda probe 2 on the exhaust manifold of the left cylinder head
Z19	lambda probe heater 1
Z28	lambda probe heater 2
D22	connecting the wires through fuse 34 in the wiring harness on the right side of the engine compartment

[The article is a reprint of material from AUDIMANUAL.RU]