Chrysler Conquest 1988 Service Manual page 321

ETACS
- Checking Circuit
9. Washer Switch Input Circuit
Fuse
To batten/ 4
Front washer motor
ECU
Front washer switch
B-a
fin)
(Front harness side)
n m n n - n
1 1 2 1 3 101 5 16 1 - 18 1 - 1101 121122123 )241251 - 127128
11~12~13~14~15~16~17118)19)20~ (29130(31)32(33)34\-( -
(ECU connector termirk)
16Y3632
T
Step
1
2
Check method
T
Condition
Check object
IG SW: OFF
B-a connec-
tor:
separation
Washer
switch :
ON ++ OFF
Continuity between
B-a connector ter-
minals (LW-B)
IG SW: OFF
B-a connec-
tor:
connection
ECU
connector:
separation
Washer
switch:
ON t, OFF
Continuity between
the ECU terminal
and ground
(4-Ground)
Judgement
Normal Malfunction
Remains
~fl.
Remains
OR.
Remains
mtn.
Remains
0i-l.
Cause
Washer switch
or harness dam-
aged or discon-
nected
Washer switch
or harness
short-circuit
Damaged or dis-
connected wir-
ing of B-a con-
nector (B line) or
between ECU
and B-a (LW
line)
Short-circuit be-
tween ECU and
B-a (LW line)
Remedy
Replace the washer
switch (refer to
P.8-203) or repair
the harness.
Repair the harness.
IG SW: Ignition Switch, ECU:
Electronic Control Unit