Chrysler Conquest 1988 Service Manual page 323

ETACS
- Checkina Circuit
8-311
11. Dome Light Drive Circuit
To battery 2-w - - e
IOA
Fuse
fin RB
Dome light
m-N
1 I
ECU
n I7 l-l i-l m II
l] 2 ( 3 14 1 5 16 1 - 18 1 - 1101 1211221231241251- 127128
1~12~13~14~15~16~17~18~19~20~ 1291301311321331341 - 1 -
(ECU connector terminals)
B-b
16Y3618
NOTE
The check table shown below is based upon the assumption that the circuit (when dome light switch
ON)
indicated by the broken line (- - - -) in the figure above is normal.
Check method Judgement
Step Cause
Remedy
Condition Check object Normal Malfunction
1 ECU
B-a connector
Battery Remains
Malfunction of Replace the dome
connector:
(rear harness side) voltage ++ OV. dome light light or repair
separation
terminal voltage ov switch, or dam- the harness.
Dome light (G-Ground)
aged or discon-
switch:
netted wiring,
DOOR *
short-circuit, or
OFF of the harness
(G) between
B-a and B-b
Remains
battery
voltage.
Malfunction of
the dome light
switch
(short-circuit)
Replace the dome
light switch.
2
ECU
ECU terminal Battery
ov
Harness dam- Repair the harness.
connector: voltage voltage aged or discon-
separation (l-Ground)
netted
Door light
switch:
Door
ECU: Electronic Control Unit