The centralised EOBD tester connector is built into Body Computer
M1 connector C.
it is supplied directly at pin 16 from a
line protected by fuse
F39 of underfacia control unit B2;
Pins
4 and 5 are earthed.
Pin 1 is connected by line K to the ABS
control unit
M50 (pin 6)
See
E7020
ABS
,
See
E7023
ESP
]
Pin 3 is connected by line K to the Air
Bag control unit
M60 (pin 7 of connector A) See E7030 AIRBAG
Pin 7 is connected to the engine management
control unit
M10 See E5030 PETROL ENGINE ELECTRONIC
MANAGEMENT
via a K line or
See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT
.
Functional description
Pin 9 is connected to the power
steering control unit
M86 (pin 4 of connector B)
See
E7045
ELECTRIC STEERING
.
Pin 13 is connected to the parking sensor
control unit
M84 (pin 20)
See
E3090
PARKING SENSOR
.
Pins 6 and 14 are connected to the B-CAN
network: the junction unit under the dashboard
B2, the instrument
panel E50, the driver's side door control unit M66, the passenger
side door control unit M67, the radio P20 and the climate control
system ECU M70 and the controls on the steering wheel D47
See
E1050
CAN CONNECTION LINES
are
monitored and 'diagnosed' via this network.