TSRM/MK3 Supra/Repair Manual
Repair ManualWiring DiagramsCommunity Fixes
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CH/Charging System, page 12

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Charging System — MK3 Supra Charging System, page 12
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Page text (OCR transcript)
CH-12                                    CHARGING SYSTEM — Alternator

Ohmmeter
[Diagram showing ohmmeter connected to negative terminal]
CH0041

Ohmmeter
[Diagram showing ohmmeter with reversed polarity]
CH0048

[Diagram showing bearing inspection]
CH0227

[Diagram showing removal of four screws and bearing retainer]
CH0228

[Diagram showing socket wrench pressing out front bearing]
CH0230

2.    INSPECT NEGATIVE SIDE RECTIFIER
(a)   Connect one tester probe to each rectifier terminal and
      the other to each rectifier negative (—) terminal.

(b)   Reverse the polarity of the tester probes.
(c)   Check that one shows continuity and the other shows
      no continuity.
If not, replace the rectifier holder.

Bearings

1.    INSPECT FRONT BEARING
      Check that the bearing is not rough or worn.

2.    IF NECESSARY, REPLACE FRONT BEARING
(a)   Remove the four screws and bearing retainer.

(b)   Using a press and socket wrench, press out the front
      bearing.