Check At Ecu Terminals - Mitsubishi Electric Lancer Evolution-VII Workshop Manual

54B-34
CHECKS AT ECU TERMINALS
ETACS-ECU
*
NOTE
*See the list below for data on the ETACS-ECU terminal 1 - 20 connectors. As the ETACS-ECU connects
directly onto the junction box, the voltages cannot be measured.
Terminal Check items
No.
1 Power window relay output
2 Battery power supply (for central
locking)
3 Earth (for ECU)
4 Ignition switch (ACC)
5 Room lamp output
6 -
7 Door switch input
8 Ignition switch (IG1) power supply
9 Right-hand turn signal lamp output
10 Driver's door switch input
11 Battery power supply (for hazard
lamps)
12 Central locking (lock) output
13 Central locking (unlock) output (NOT
driver's door)
14 Left-hand turn signal lamp output
15 - 17 -
18 Ignition switch (ACC) power supply
19 Battery power supply for interior lamp
20 Battery power supply (for ECU)
21 Rear fog lamp switch input
22 Central locking (unlock) output (for
driver's door)
23 -
24 - 32 -
33 Door lock key cylinder switch input
(unlock switch)
34 Door lock key cylinder switch input
(lock switch)
SWS -
Troubleshooting
Checking requirements
When power windows operating
normally
Any time
Any time
Ignition switch: ACC
When room lamps ON
-
When any one door switch ON (door
open)
Ignition switch: ON
When right-hand turn signal lamp ON
When driver's door switch ON (door
open)
Any time
When door lock actuator operating
(locking operation)
When door lock actuator operating
(unlocking)
When left-hand turn signal lamp ON
-
Ignition switch: ACC
When interior lamp ON
Any time
When the rear fog lamp switch ON
When door lock actuator operating
(unlocking)
-
-
When driver's door lock unlocked
When driver's door lock locked
Y0795AU
Normal condition
System voltage
System voltage
0 V
System voltage
2 V or below
-
0 V
System voltage
System voltage
0 V
System voltage
System voltage
System voltage
System voltage
-
System voltage
System voltage
System voltage
0 V
System voltage
-
-
0 V
0 V