Diagnostic Trouble Codes (Dtcsl: 20, 22, 24,28 - Honda Prelude 1993 Service Manual

-Th6 4WS indicator light has
bggn reDortod on.
With service chock conngctot
iumpod codes 20. 22, 24. 28
are indicated.
Disconnect the front main steer-
Ing angle sensor connector,
Turn the ignition swilch ON.
Measure voltage between the
4WS control unit side connector
No. 1 terminal {BLK/YEL} and
body ground.
Ropair op6n in th6 harnoss wiro
betwoen tho No. 22 4WS tuso
and tho tront main stoering angle
sonsor.
Measure the voltage between the
4WS control unit side of the sen-
sor connector No. 4 terminal (LT
GRN) and body ground.
Disconnect the 4WS controll unit
18P connector.
ls there approximately 4.5 V7
Check for continuity between the
4WS control unit No. 8 terminal
(GRN) and body ground.
Rooair short in tho GRN wiro be-
twoon tho 4WS control unit and
th6 main ste€dng angle aonsor.
Connect the 4WS control unit
18P connector.
Measure voltage between the
4WS control unit No. 8 terminal
(GRN) and body ground.
ls there approximately 4.5 V?
Ropah open in the GRN wiro be-
tweon the 4WS control unit and
the front main sloo.ing anglo
Diagnostic Trouble Codes (DTCsl: 20, 22, 24,28
FRONT MAIN STEEBING ANGLE SENSOR
4WS CONTROL UNIT SIDE CONNECTOR
Bsnory Voltago?
View from terminal side.
FRONT MAIN STEEBING ANGLE SENSOR
4WS CONTROL UNIT SIDE CONNECTOR
fT-fFlt
-X-
( V.) c.s vr
:r
View from ierminal side.
4WS CONTROL UNIT 18P
SENSON SIDE CONNECTOR
View from terminal side.
4WS CONTROL UNIT 18P CONNECTOR
Roolace th6 4WS cont.ol unit.
View from terminal side.
( T o p a g e 1 7 - 5 6 )
1 7 - 5 5