Chrysler Conquest 1988 Service Manual page 325

ETACS
- Checking Circuit
8-313
1 13. Door Lock Actuator Switch Input Circuit 1
To battery 4
Fuse
IOA
ECU
--
Power
SUPPlY
I
To door
To door
I
unlock relay lock relay
I
Door lock actuators
t J
c5 rx
z-
--F-YGB" YG"
F-Wr WR
0
F-RN (YG)'*
0
F-B
Rw
I
(L.H.)
Motor
(R.H.)
Unlock
switch
B-a
(ECU connector terminals)
side)
B-b
(Front harness side)
16Y3637
T T
Check method Judgement
Step
Remedy
Cause
Unlock switch
or harness dam-
aged or discon-
nected
Unlock switch
or harness
short-circuit
Damaged or dis-
connected wir-
ing of B-a and
B-b connector
(RW or B line)
or between ECU
and B-a or B-b
(YG or RW line)
Condition Check object Malfunction Normal
OR++wCl 1 B-a or B-b
connectors:
separation
Unlock
switch:
ON t, OFF
Continuity between
B-a or B-b con-
nector terminals
(RW-Ground)
Remains
@JCL.
Check the unlock
switch (refer to
P.23-72) or repair
the harness.
Remains
Ofi.
Remains
aJci.
2 B-a and B-b
connectors:
connection
ECU
connector:
separation
Unlock
switch:
ON ++ OFF
Continuity between
the ECU terminal
and ground
Left: (13-Ground)
Right: (12-Ground)
Repair the harness.
ECU: Electronic Control Unit