Honda Prelude 1993 Service Manual page 649

General lnformation
4WS Service lnformation (cont'd)
o It the spoke sngle of steering wheel is not atthe designated angle whiledriving straight, check whether it was caused
simply by an improperly installed steering wheel or by the misalignment of the lront and rear wheels. Check the
wheels for proper alignment before adjusting the steering wheel spoke angle.
Installthe rear steering lock pin in the rear actuator and. with the steering wheel in the straight driving position, check
the wheels for proper alignment (i,e. difference in computerized four wheel alignment equipment reading between the
right and left wheels is within 0.5 mm/0.02 in).
Check the sensors for electronic neutral to be sure that the rear wheels are in correct steering angle while driving.
a Do not contaminate the front and rea. sub steering angle sensors, front and rear main steering angle sensors, and the
rear steering actuator motor terminals with mud, oil, and grease.
a Thephrase "the steering wheel in the straight driving position " means that the front wheels are in the straight driving
position with the steering wheel spokes at a horizontal angle.
a lf the power to the 4WS control unit was shut down for the following operations, start the engine and turn the steer-
ing wheel tully right and left before checking and adjusting the 4WS system.
- Battery removal/installation
- 4WS control unit removal/installation
- No,43 fuse CLOCK RADIO removal (in the under-hood fuse/relay box)
CAUTION;
a The roar whoel steoring angle is not controlled when the engine is OFF. When the engine is staned, the rear
whaels aro ste6r6d to an angle in accordance with the front whoelangle. We recommend that the steering system
b6 sorviced wilh the steering whoel set in th6 straight driving position,
a Do not st8n the engino with the lock pin sot in the rear acluator. The rear actuator might be damaged whsn the
rear whools aro steorod. Bo surs to removs ths lock Din after service.
CAP BOLT
22 N.rn
12.2 kg-m.
SEALING WASHER
Replace. 16 tb-ftt
17-4