Harness/Sensors/Lmm (Airflow Meter) - BMW 745i Repair Instructions

BMW 745
i
A
Control unit
NO.
1
104
L.Jetronic Hamess/sensors/LMMI (airflow meter)
0280001124
Control unit - ground (earth)
(resistance: leads 5 and17)
<
l'
,0
Q
Temp. sensor air
(in LMM (airfl.meter), resist.: leads , 6 and 27 at 35°C)
l ' .11 ... 1 1 .9 KQ
, Temp. sensor coolant
(resistance: leads 5 and 13 at BO°C)
270 ... 390
Q
Altitude correction· plug connection
(leads 9 and12)
999 KQ
I
LM M (airflow meter) resistance
(leads 6 and 9)
100 ... 600
Q
I
LMM (airflow meter) pump switch
(resistance: leads 10 and 20)
2.0
Q
I
LMM (airflow meter) baffle
(resistance: leads 7and9) _
70 ... 800 Q
Test 1. Connections needed: T·plug only at wiring harness
sequence: 2. See Specifications for additional values for both temperature sensors
3. Both temperatures can be measured with the oil temp. sensor:
lMJ
ill
[Q]
4. Detach the intake stub pipe . PUMP SWITCH: 999
Kn ,
baffle opening: 2.0
n,
the BAF·
FLE resistance must vary at the same time
II nominal values are not reached : break in line, temperature sensor
Further information on workshop manual microfiche, job No. 1362000, Troubleshooting - fuel injection system