Acura 1994 Integra Service Manual page 281

Power Steering Pressure (PSP) Switch Signal
This signals the ECM when the power steering load
-;"nection.*."------'.ill]
- -
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w
;:"r"tffa;i'
connecrors (see
Turn the ignition switch ON.
Measure voltage between 88 {+ )
terminal and A26 {-) terminal.
i s h i g h .
o o o o o o o o o o o o o I o o o o o o o o l . D o € d ( i l t l o o o o o o o o o o o
o o o o o o o o o o o o Q I o o o Q o o o o $ a G $ a s t . l o o o o o o o o o o
A 2 6 l - ) B g l + l
L 6 s ! t h s n l . O V ?
wire side
Turn the ignition switch OFF.
Disconnect the 2P connector trom
the PSP switch.
ls there less than 1.0 V?
Tu.n the ignition switch ON.
Turn steering wheel slowly.
ls there less than 1.O V?
Measure voltage between B8 (+)
terminal and 426 (-) termanal
while steering wheel is turning.
Ropair opon in GRN wire betwssn
ECM {88} and PSP srYilch ot BLK
wi.o botw6cn PSP switch and
G301 (locatod at loft ongin6 com-
partm6ntr.
Disconnect the 2P connector lrom
the PSP switch.
PSP switch signal is OK.
Repair short in GRN wi.e botwoon
ECM {881 and PSP switch.
ll wiro i3 OK, substitute a known-
g o o d E C M a n d . o c h e c k .
l I
proscribod vollage is now avail
able, replaco tho original ECM.
GRN
PSP SWITCH
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