BMW 1989-1995 525i Service Manual page 52

100-10
ENGINE-GENERAL
Table c. DME Check Engine Light Fault Codes (continued)
Graphic representation of flashing Check Engine light fault code: 1221
·
. .
_ : 5 Seconds. :- - : 2.5 :-
·
. . ,
Check Engine light on
· .
-
r-r-
r-t-
r-r-
r-t-
r- --- . , -- -- - --
-
r-r-:
~ ~
.. . . . Check Engine light off
- :05'- . .
,
.
-
Faull code and meaning
I
Corrective action
Code 1245: Electronic transm ission control intervention (OME Check wiring between OME control module and auto. transmission
3.3/3.3.1
only)
control module
Code 1247: Ignition secondary monitor (OME 3.3/3.3.1 only)
Check secondary voltage to ignition coils. Check wiring at ignition
coils. Repair Group
120
Code 1251 : Fuel injectors (OME 1.3 only- cylinders 1,3,5) Test injector operat ionlsignalto injectors. Repair group 130
-
Code 1252: Fuel injectors (OME 1.3 only ' cylinders 2. 4, 6) Test injector operationlsignalto injectors. Repair group 130
Code
1251:
Fuel injector
#1
(OME
3.1/3.3/3.3 .1
only)
Test injector operation/signal to injector. Repair group 130
-
Code 1252: Fuel injector #2 (OME 3.1/3.3/3.3.1 only)
Test injector operation /signal to injector. Repair group 130
Code 1253: Fuel injector #3 (OME 3.1/3.3/3.3.1 only) Test injector operationlsignalto injector. Repair group
130
Code 1254 : Fuel injector #4 (OME 3. 1/3.3/3.3.1 only)
Test injector operation /signal to injector. Repair group 130
-
-
- -
Code 1255: Fuel injector #5 (OME 3.1/3.3/3.3.1 only) Test injector operatiOnlsignalto injector. Repair group
130
-
Code 1256: Fuel injector #6 (OME 3.1/3.3/3.3.1 only) Test injector operation/signal to injector. Repair group 130
-
Code 1257: Fuel injector #7 (OME 3.3 only) Test injector operatio nlsignalto injector. Repair group 130
-
I
Code
1258:
Fuel injector
#8
(OME
3.3
only)
Test injector operatio nlsignal to injector. Repair group 130
- -
I
Code 1261: Fuel pump control
Test fuel pump relay and fuel pump circuit. Repair group 160
Code 1262: Idle speed control I Test idle air control valve and signal to valve. Repair Group
130
Code 1263: Fuel tank evaporative (EVAP) system Test EVAP purge valve. Repair Group 160
-
- -
Code 1264: Oxygen sensor heater Test oxygen sensor heater and heater relay. Repair group 130
-
Code 1265: Check engine lamp (OME 3.3/3.3.1 only) Test for faulty bulb or wiring. Electrical Wiring Diagrams
Code 1266: VANOS (OME 3.3.1 only) Test VANOS solenoid. Check for signal to VANOS solenoid.
Code
1267:
Air pump relay control (OME
3.3/3.3.1
only) Test air pump relay and wiring (where applicable) Electrical Wiring
Diagrams
Code 1271: Ignition coil #1 (OME 3.3/3.3.1 only) Test ignition coil and wiring to ignition coil. Repair Group 120
-
Code 1272 : Ignition coil #2 (OME 3.3/3.3.1 only) Test ignition coil and wiring to ignition coil. Repair Group 120
Code 1273 : Ignition coil #3 (OME 3.3/3.3.1 only) Test ignition coil and wiring to ignition coil. Repair Group 120
-
Code 1274: Ignition coil #4 (OME 3.3/3.3.1 only) Test ignition coil and wiring to ignition coil. Repair Group 120
Code 1275 : Ignition coil #5 (OME 3.3/3.3.1 only) Test ignition coil and wiring to ignition coil. Repair Group 120
- -
Code 1276: Ignition coil #6 (OME 3.3/3.3.1 only) Test ignition coil and wiring to ignition coil. Repair Group 120
-
Code
1277:
Ignition coil
#7
(OME
3.3
only) Test ignition coil and wiring to ignition coil. Repair Group
120
-
Code 1278: Ignition coil #8 (OME 3.3 only) Test ignition coil and wiring to ignition coil. Repair Group 120
Code 1281: OME control module memory supply (OME 3.3/3.3.1 Check voltage supply from ballery to OME contro l module. Electrl·
only) cal Wiring DIagrams
Code 1282: Fault code memory (OME 3.3/3.3.1 only) Check OME contro l module inputs/outputs, Control modu le may be
faulty. Repair Group 130
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