Mitsubishi 380. Manual — part 115
INPUT SIGNAL PROCEDURES
SIMPLIFIED WIRING SYSTEM (SWS)
54B-457
STEP 10. Check the ground circuit to the front door lock
actuator (LH). Measure the resistance at front door lock
actuator (LH) connector E-15.
(1) Disconnect front door lock actuator (LH) connector E-15
and measure the resistance available at the wiring harness
side of the connector.
(2) Measure the resistance value between terminal 1 and
ground.
• The resistance should be 2 ohms or less.
Q: Is the measured resistance 2 ohms or less?
YES : Go to Step 12.
NO : Go to Step 11.
STEP 11. Check the wiring harness between front door
lock actuator (LH) connector E-15 (terminal 1) and ground.
16DB320A
CONNECTOR: E-15
E-15 (B)
HARNESS SIDE
5
6
4
2
3
1
AC209829
CONNECTOR E-15
(HARNESS SIDE)
AD
16DB320A
CONNECTOR: E-15
E-15 (B)
HARNESS SIDE
INPUT SIGNAL PROCEDURES
SIMPLIFIED WIRING SYSTEM (SWS)
54B-458
NOTE: Also check intermediate connector C-26 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the
connector. If intermediate connector C-26 is damaged, repair or
replace the connector as described in GROUP 00E, Harness
Connector Inspection
.
Q: Is the wiring harness between front door lock actuator
(LH) connector E-15 (terminal 1) and ground in good
condition?
YES : No action is necessary and testing is complete.
NO : The wiring harness may be damaged or the
connector(s) may have loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Repair the wiring harness as necessary. If the
functions described in "CIRCUIT OPERATION" work
normally, the input signal from the front door lock
actuator (LH) should be normal.
STEP 12. Check ETACS-ECU connector C-217 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is ETACS-ECU connector C-217 in good condition?
YES : Go to Step 13.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. If the functions described in "CIRCUIT
OPERATION" work normally, the input signal from the
front door lock actuator (LH) should be normal.
16DB322A
CONNECTOR:C-26
16DB307A
CONNECTOR: C-217
HARNESS SIDE
25
26
27
28
29
21
22
23
24
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
JUNCTION BLOCK
(REAR VIEW)
INPUT SIGNAL PROCEDURES
SIMPLIFIED WIRING SYSTEM (SWS)
54B-459
STEP 13. Check the wiring harness between front door
lock actuator (LH) connector E-15 (terminal 3) and
ETACS-ECU connector C-217 (terminal 43).
NOTE: Also check intermediate connector C-26 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the
connector. If intermediate connector C-26 is damaged, repair or
replace the connector as described in GROUP 00E, Harness
Connector Inspection
.
Q: Is the wiring harness between front door lock actuator
(LH) connector E-15 (terminal 3) and ETACS-ECU
connector C-217 (terminal 43) in good condition?
YES : Replace the ETACS-ECU. If the functions described
in "CIRCUIT OPERATION" work normally, the input
signal from the front door lock actuator (LH) should be
normal.
NO : The wiring harness may be damaged or the
connector(s) may have loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Repair the wiring harness as necessary. If the
functions described in "CIRCUIT OPERATION" work
normally, the input signal from the front door lock
actuator (LH) should be normal.
16DB307A
CONNECTOR: C-217
HARNESS SIDE
25
26
27
28
29
21
22
23
24
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
JUNCTION BLOCK
(REAR VIEW)
16DB320A
CONNECTOR: E-15
E-15 (B)
HARNESS SIDE
16DB322A
CONNECTOR:C-26
INPUT SIGNAL PROCEDURES
SIMPLIFIED WIRING SYSTEM (SWS)
54B-460
INSPECTION PROCEDURE N-6: ETACS-ECU does not receive any signal from the door lock switch
(incorporated in the power window main switch and front power window sub switch).
.
CIRCUIT OPERATION
The ETACS-ECU operates the central door locking
system according to signal from the door lock switch
(incorporated in the power window main switch and
front power window sub switch).
.
TECHNICAL DESCRIPTION (COMMENT)
If the signal is not normal, the doors will not lock or
unlock. If the signal is not normal, the power window
main switch, front power window sub switch or the
ETACS-ECU may be defective.
.
TROUBLESHOOTING HINTS
• Refer to circuit diagrams GROUP-
• Refer to configuration diagrams GROUP-
• The power window main switch or front power
window sub switch may be defective
• The wiring harness or connectors may have
loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector
• The ETACS-ECU may be defective
16DB310A
CONNECTOR: C-12
16DB322A
CONNECTOR:C-26
16DB307A
CONNECTOR: C-217
HARNESS SIDE
25
26
27
28
29
21
22
23
24
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
JUNCTION BLOCK
(REAR VIEW)
16DB466A
HARNESS SIDE
CONNECTOR: E-12
16DB332A
3
9
4
12
14
6
13
5
1110
8
2
7
1
HARNESS SIDE
CONNECTOR:E-04
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