Tacoma 4WD L4-2.7L (3RZ-FE) (2004)
b. Check the negative (-) rectifier.
1. Using an ohmmeter, connect one tester probe to each negative (-) terminal and the other to each rectifier terminal.
2. Reverse the polarity of the tester probes and repeat step (a).
3. Check that one shows continuity and the other shows no continuity.
If continuity is not as specified, replace the rectifier holder.
6. INSPECT BEARING
Check the bearing is not rough or worn.
If necessary, replace the bearing.