Abs Indicator Circuit Troubleshooting; Abs Indicator Does Not Come On - Honda S2000 Service Manual

ABS Components
ABS lndicator Circuat Troubleshooting
ABS indicator does not come on
1. Turn the ignition switch ON (ll), and watch the ABS
indicator.
Does the ABS indicator come on?
YES The system is OK at this time.l
?
5 .
6 .
NO - Go to step 2.
T u r n t h e i g n i t i o n s w i t c h O F F t h e n O N ( l l ) a g a i n .
Does the fuake system indicator come on?
YES Go to step 3.
NO Repair open in the indicator power source
c i r c u i t . l
. B l o w n I N S T R U M E N T L I G H T ( 7 . 5 A ) f u s e .
. Open in the wire between the INSTRUMENT
L I G H T ( 7 . 5 A ) f u s e a n d g a u g e a s s e m b l y .
. Open circuit inside the fuse box.
Turn the ignition switch OFF.
Disconnect the ABS control unit 25P connector.
T u r n t h e i g n i t i o n s w i t c h O N ( l l ) .
Does the ABS indicator come on?
YES Check for loose terminals in the ABS control
unit 25P connector. lf necessary, substitute a
known-good ABS modulator-control unit, and
recheck.l
NO Go to step 6.
C h e c k t h e A B S i n d i c a t o r b u l b i n t h e g a u g e
a s s e m o r y .
ls the bulb OK?
YES Go to step 7.
N O R e p l a c e t h e A B S i n d i c a t o r b u l b . l
Turn the ignition switch OFF.
Remove the gauge assembly (see page 22-52).
7 .
8 .
19-56
9 .
1 0 .
Disconnect the gauge assembly 16P connector.
Check for continuity between the gauge assembly
1 6 P c o n n e c t o r t e r m i n a l N o . 8 a n d b o d y g r o u n d .
GAUGE ASSEMBLY 16P CONNECTOR
Wire side of {emale terminals
ls there continuity?
YES Repair short to body ground in the wire
between the gauge assembly and the ABS control
u n i t . l
N O - G o t o s t e p 1 1 .
Connect the gauge assembly 16P connector, and
disconnect the gauge assembly 12P connector.
Check for continuity between the gauge assembly
1 2 P c o n n e c t o r t e r m i n a l N o . I a n d b o d y g r o u n d .
GAUGE ASSEMBLY 12P CONNECTOR
IBLK}
Wire side of female terminals
ls there continuity?
YES Check for loose terminals in the gauge
assembly connectors. lf the connector is OK,
r e p l a c e t h e g a u g e a s s e m b l y . I
NO* Repair open in the wire between the gauge
a s s e m b l y a n d b o d y g r o u n d ( G 5 0 1 ) . 1
1 1 .
1 2 .
2 3
4
5
6
/ 1 d
I 10
11
12
GND
'/\'