BMW 5251 Service Manual page 452

130-62
Fuel Injection
Bosch M5.2.1 ECM pin assignments
(M62 from 911 997 to 911 998)
Table e. Bosch 5.2.1 ECM pin assignments
i
I
I
5
1 I
Not used
I
I
I
Note
I
I
I
7
l l n ~ u t l~erminal 30 voltage supply
I
Fuse F4
Description Pin
Ground point right-hand drive
Ground connector X6460
I
I
I
Signal
Connector X60001
Ground
4
1
2
3
Ground
Ground point right-hand drive
Ground connector X6460
6
8
9
1
2
3
4
5
Not used
Not used
Not used
-
6
7
8
9
10
11
12
Ground
Input
Connector X60002
Output
Input
Input Output
Input Output
Grniind
.
-
13
14
15
Ground
-
.-
-
Output
Ground
Ground
Ground
Ground
16
17
18
19
20
21
22
23
.
Terminal 87
Not used
Oxygen sensor heater slgnal
Not used
CAN-Bus low
CAN-BUS high
Ground
Output
Input
l n ~ u t
Fuse F1
Heater oxygen sensor II behind cataiytic converter
Back up light switch
Transmission control module (AGS)
Transmission control module (AGS)
Ground connector X6480
Not used
Oxygen sensor heater signal
Oxygen sensor heater ground
Oxygen sensor heater ground
Oxygen sensor heater ground
Oxygen sensor heater ground
Not used
Input
Input
Output
Output
Output
Heater oxygen sensor I behind catalytic converter
Heater oxygen sensor II behind catalytic converter
Heater oxygen sensor 1 in front of catalytic converter
Heater oxygen sensor II in front of catalytic converter
Heater oxygen sensor I behind catalytic converter
Oxygen sensor heater ground
Oxygen sensor heater ground
Oxvqen sensor heater ground
Heater oxygen sensor iI in front of catalytic converter
Heater oxygen sensor
II
behind catalytic converter
Heater oxygen sensor 1 in front of catalytic converter
.
-
Oxygen sensor heater ground
Oxygen sensor heater ground
Signal, running losses
Oxygen sensor iieater ground
Not used
Not used
Not used
Terminal 85 control
Heater oxygen sensor
II
in front of catalytic converter
Heater oxygen sensor I behind catalytic converter
Fuel changeover (312 way valve) circuit
Heater oxygen sensor 1 in front of catalytic converter
Engine control module relay