Power Steering Pressure (Psp) Switch Signal (Usa) - Acura Integra 1998 Service Manual

Power Steering Pressure (PSP) Switch Signal (USA)
T h i s s i g n a l s t h e E C M w h e n t h e p o w e r s t e e r i n g l o a d i s h i g h .
ECM CONNECTORS
Check lor an open in the wire (PSP
SW line):
1. Turn the ignition switch ON (ll).
2. Measure voltage between ECM
c o n n e c t o r t e r m i n a l s C 1 6 a n d
A9.
A {32P1
LGl
{BRN/BLK)
c (31P}
PSP SW
IGRNI
W i r e s i d e o I f e m a l e t e r m a n a l s
PSP SwlTCH 2P CONNECTOR IC311I
PSP SW {GRNI
luupen r-{
r \
w r R E 4 r l
GND (BLK)
W i r e s i d e o I f e m a l e t e r m i n a l s i ,
Inspection ot PSP switch signal.
Check lor an op€n in the wire (PSP
SW linel:
1. Turn the ignition switch OFF
2. Disconnect the PSP swirch 2P
3. Turn the ignition switch ON (ll).
4. At the wire side, connect the
PSP switch 2P connector ter
m i n a l s N o . 1 a n d N o . 2 w i t h a
iumper wire.
5. Measure voltage teNveen ECM
c o n n e c t o r t e r m i n a l s C 1 6 a n d
A9.
ls there less than 1.0 V?
-
Repair open in the wire be-
tween the ECM lcl6l .nd the
PSP 3witch.
-
Repai. open in BLK wire be'
tween the PSP switch and
G301.
ls there less than 1.0 V7
Check the operation of the PSP
switch:
1- Stan the engine
2 . T u r n s t e e r i n g w h e e l t o f u l l
3. Measure voltage between ECM
c o n n e c t o r t e r m i n a l s c 1 6 a n d
A9.
l s t h e r e b a t t e r y v o l t a g e ?
PSP switch signal is oK.
{ T o p a g e l 1 t 0 9 )