A SERVICE OF

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12.15
Checking alternator
L Note:
Before measuring the resistance with the BMW di-
agnostic tester, this must be zeroed:
Connect the positive (yellow) and negative (green)
leads.
Press the key until the digital display shows
0.00 Ω.
Using BMW diagnostic tester,
BMW No. 61 1 510, measure the resistance be-
tween the sliprings.
Measured result: . . . . . . . . . . . . . . . . . . . . . . .3
Checking armature for short to earth
Measure resistance between sliprings and arma-
ture.
Measured result: . . . . . . . . . . . . . . .
OL = open line
61 1 510
RS120070
61 1 510
RS120060
OL