Acura 2002 RSX Service Manual page 70

'lO.
Check continuity between the ECM connector
t e r m i n a l 8 1 0 a n d b o d y g r o u n d .
ECM CONNECTOR B {24PI
2 3 1 4 5
U
6
7
8 I 10
t o
15
1
81,
n
21 23
ACGL IWHT/BLU}
a
Wire side ol temale terminals
ls therc continuity?
YES Repair a short in the wire between the
alternator and the ECI\4.I
NO Go to alternator and regulator test
Alternator and Regulator Circuit Test
1. Be sure the battery is sufficiently charged (see page
22-541.
2. Raise the hoist to full height.
3. Hook up the ammeter.0 400 A. to the starter
suD-narness.
:)
. \
\
4. Lower the hoist,
4-29
5. Hook up the voltmeter, 0-20 V (accurate within
0 . 1 V ) , t o T 1 0 1 .
6. Start the engine. Hold the engine at 3,000 rpm with
no load (in Park or Neutral) until the radiator fan
comes on, then let it idle.
7. Raise the engine speed to 2,000 rpm and hold it
tnere.
8. Turn the headlights (high beam) on, and measure
voltage at the under-hood fuse/relay box terminal.
ls the vottage between 13.9 and 15.1 V?
YES Go to step 9.
NO- Repair the alternator components:
. K20A3 engine {see page 4-36).1
. K 2 0 A 2 e n g i n e ( s e e P a g e 4 - 4 1 ) . 1
9 . R e a d t h e a m p e r a g e a t 1 3 . 5 V .
NOTE: Adjust the voltage by turning the blower
motor, rear window defogger. brake lights, etc. ON.
ls the amperage 60A or more?
YES Alternator/regulator operation is OK.l
NO Repair the alternator components:
. K20A3 engine (see page 4-36).1
. K20A2 engine (see page 4-41).I
(cont'd)