Mitsubishi MOTORS Space Runner 1998, Workshop Manual

Page: 798 / 1164

BODY -
Door
42-26
INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS
Inspection Procedure 1
The power windows cannot be operated by any of the
power window switches. Probable cause
The cause may be a malfunction of the power window relay, power window relay
drive circuit and of the ETACS-ECU.
D Malfunction of power window relay
D Malfunction of ETACS-ECU
D Malfunction of wiring harness or connector
OK
Check trouble symptoms.
NG
Check the harness wire between fusible
link No.6 and power window relay, be-
tween power window relay and junction
block, and repair if necessary.
OK
Check trouble symptoms.
NG
Check the harness wire between power
window relay and ETACS-ECU, and re-
pair if necessary.
OK
Replace the ETACS-ECU.
OK
Measure at the ETACS-ECU connector
B-104.
D Disconnect the connector and
measure at the harness side.
D Voltage between 8 and body earth
OK:
System voltage
NG
Check the following connectors:
B-104, B-101
NG
Repair
OK
Measure at the junction block connector
B-89.
D Disconnect the connector and
measure at the harness side.
D Ignition switch: ON and OFF
D Voltage between 1 and body earth
OK:
System voltage (ON)
0 V (OFF)
NG
Check the following connectors:
B-66, B-103, B-101, B-89
NG
Repair
Check the power window relay continu-
ity. (Refer to P.42-48.)
NG
Replace