Honda Prelude 1993 Service Manual page 147

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Table of Contents

(From page 6-78)

Start th6 engine €nd check oil

p.essure at 5,OOO rpm.

ls p.essure above 4OO kPa

(4 kg/cm', 57 psi)?

Inrpoct tho VTEC rol.nold vCv..

Turn the ignition switch OFF.

Reconnect the 2P conn€ctor to

the VTEC Dressure switch.

Install the tgst hamess (page

Stsrt the engins and run above

5,OOO rpm. Measure the voltage

between D6 l+l and O22 l-l

terminal ol the ECM.

Subrlhute a known,good ECM

.nd r.chock, It rymptoh/lndic.-

tlon gooa lwsy rcplsce tha o.igi-

PRESSURE GAUGE

COMMERCIAI.IY AVAILAALE

NOTE: Keep rl|ossuring timg as short

as poasible bgcause engin€ is running

with no losd (l6ss than one minute).

SEALIIIG BOLT

20 N.ln l2.O kg-ln,

S]{AP-ON MT26-17

10 r 1.0 rnm

. Uso new washgr when

installing the sealing bolt.

Troubleshooting