Acura NSX 1997 Service Manual page 922

Main Menu
Charging System
Troubleshooting
If the charging system light is on, or the battery is dead or low, test the following items in the order listed:
1. Battery (see page 23-68)
2. Charging System Light
3. Alternator/Regulator
Charging System Light Test
Turn the ignition switch ON (II).
Does the charging system light
come on?
Start the engine.
Does the charging system light
go off?
Turn the ignition switch off.
Disconnect the 4P c o n n e c t o r
from the alternator.
Turn the ignition switch ON (II).
Does the charging system light
come on?
WHT/BLU wire is OK; perform
alternator/regulator test (see page
23-102).
Table of Contents
(To page 23-101)
Charging system light circuit is
OK.
Disconnect the ABS control unit
(C235), EPS control unit (C249),
and the integrated control unit
(C401), as applicable. If the
charging system light stays on,
repair the short to ground in the
WHT/BLU wire.