BMW 528i 1997 E39 Workshop Manual

BMW 528i 1997 E39 Workshop Manual 528i 1997 E39 BMW BMW https://www.carmanualsonline.info/img/1/2822/w960_2822-0.png BMW 528i 1997 E39 Workshop Manual
Trending: electrical system, hood open, alternator, timing belt, ESP, sunroof, differential

Page 441 of 1002

BMW 528i 1997 E39 Workshop Manual Downloaded from www.Manualslib.com manuals search engine 
130-51 
Fuel Injection 
Oxygen sensors, checking 
The  oxygen  sensor provides  an input  voltage  signal [0.2 vdc 
(lean)  to 0.8  vdc  (rich

Page 442 of 1002

BMW 528i 1997 E39 Workshop Manual Downloaded from www.Manualslib.com manuals search engine 
.. .- 
/Fuel lnjeciion 
NOJE- 
With engine oft disconnect harness connector  and checlc 
heating element resistance between white wires  on th

Page 443 of 1002

BMW 528i 1997 E39 Workshop Manual Downloaded from www.Manualslib.com manuals search engine 
Fuel Injection I 
4 Release spring  clips (arrows) from fuel injectors and  pull in- 
jector  electrical  loom straight  up to remove. 
4 Chec

Page 444 of 1002

BMW 528i 1997 E39 Workshop Manual Downloaded from www.Manualslib.com manuals search engine 
130-54 
I Fuel Injection ldle speed control  valve, 
testing  and replacing 
ldle speed  is maintained  by the ECM through  the idle speed 
co

Page 445 of 1002

BMW 528i 1997 E39 Workshop Manual Downloaded from www.Manualslib.com manuals search engine 
Fuel Injection 
- If voltage is present as described  above, check wiring be- 
tween  ECM and valve.  If no  wiring  faults are found, check

Page 446 of 1002

BMW 528i 1997 E39 Workshop Manual Downloaded from www.Manualslib.com manuals search engine 
I Fuel lniection 
varies as the coolant temperature (sensor resistance) chang- 
es. 
NOTE- 
The  ECT  sensor  is an NTC (negative  temperature

Page 447 of 1002

BMW 528i 1997 E39 Workshop Manual Downloaded from www.Manualslib.com manuals search engine 
Fuel Injection 
Intake air temperature 
([AT) sensor, 
testing and replacing 
Disconnect harness connector from  intake air temperature 
senso

Page 448 of 1002

BMW 528i 1997 E39 Workshop Manual Downloaded from www.Manualslib.com manuals search engine 
Fuel Injection Evaporative fuel system pressure leak 
diagnosis, overview 
(M5.2.1 only) 
1998 540i models are  equipped with  an evaporative

Page 449 of 1002

BMW 528i 1997 E39 Workshop Manual Downloaded from www.Manualslib.com manuals search engine 
130-59 
Fuel Injection 
:-- -i. Evaporative emissions 
1. 
control diagram  (M5.2.1) 
i 1 
i I @ 1. ECM r.=.:-:, 2. Purge valve 
3. Leak detec

Page 450 of 1002

BMW 528i 1997 E39 Workshop Manual Downloaded from www.Manualslib.com manuals search engine 
130-60 
/Fuel lniection 
Tabled. Bosch M5.2 ECM pin assignments 
Note 
Pin 
21 
20 I output / Crankshaft position sensor (speed and position)
Trending: oil pressure, timing belt, drain bolt, Air Temperature Sensor Cover to Intake Manifold, brake, dme, automatic transmission