Dtc 41, 42, 43, 44: Wheel Lock; Dtc 51: Motor Lock - Honda S2000 Service Manual

ABS Components
DTC Troubleshooting (cont'd)
DTC 41, 42,t|(|, 44: Wheel Lock
1 . L i f t u p t h e v e h i c l e s o a l l f o u r w h e e l s a r e o f f t h e
ground, and release the parking brake.
2. Check for brake drag with the brakes hot.
Do the brakes drag?
YES Repair the brake drag.l
NO Go to step 3.
3. Check the installation of the appropriate wheel
sensor (see table).
DTC ADoroDriate Wheel
4'1
Riqht-front
42
Left-front
43
R i q h t - r e a r
44
Left-rear
ls it cotrect?
YES- Go to step 4.
NO - Reinstall the wheel sensor correclly.I
Connect the PGM Tester to the DLC.
Choose MISC TEST from the ABS menu, then
select function test.
Choose the out solenoid for the appropriate DTC
(see table), and follow the on screen prompts.
Apply the brakes, and have an assistant attempt
to rotate the appropriate wheel for the DTC, then
a c t u a t e t h e o u t s o l e n o i d . W h e n t h e s o l e n o i d i s
actuated. the wheel should rotate, and then lock
u p .
Did the wheel rotate?
YES - The probable cause was that the veh icle
s p u n d u r i n g c o r n e r i n g . l f t h e p r o b l e m r e c u r s ,
check for loose connectors, or try a known-good
ABS modulator-control unit. I
NO Check for loose ABS modu lator-control
unit conneclors. lf necessary, replace the ABS
m o d u l a t o r - c o n t r o l u n i t . I
5 .
7 .
19-52
DTC 51: Motor Lock
1 . Check the ABS MOTOR (30 A) fuse in the main
under-hood fuse/relay box, and reinstallthe fuse if
it is oK.
ls the f use OK?
YES Go to step 2.
NO Replace the fuse, and recheck.l
2. Disconnect the ABS control unit 25P connector.
3. Measure the voltage between the ABS control unit
25P connector terminal No. 9 and body ground.
ABS CONTROL UNIT 25P CONNECTOF
MR +B IWHT
-\;
,rt\
2
3
4
5 6
7
8 I
-
( \ /
I Y
l t I
t0
12
1 4
6
+B
6 ,
Wire side ol female terminals
ls there battety voltage?
YES- Go to step 4.
NO Repair open in the wire between the ABS
MOTOR {30 A) fuse and the ABS control unit.I
connect the ABS control unit 25P connector.
Clear the DTC (see step 1 on page 19-35).
Test-drive the vehicle at 6 mph (10 km/h) or more.
Does the ABS indicator come on, and is DTC 51
indicated?
YES Replace the ABS modulator-control unit.I
N O T h e s y s t e m i s O K a t t h i s t i m e . l