Mitsubishi Grandis. Manual — part 103
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-409
<LH drive vehicles> Prior to the wiring harness
inspection, check intermediate connector C-14 <door
switch (front: RH)>, C-16 <door switch (front: RH),
door switch (front: LH)>, C-27 <door switch (front:
LH)>, D-03 <door switch (rear: RH)>, D-16 <door
switch (rear: LH)>, joint connector C-01 <door switch
(front: RH) and door switch (front: LH)>, junction
block connector C-210, and repair if necessary.
AC310613
AE
Connector: C-01 <LHD>
AC310616
AD
Connectors: C-14, C-16
C-14
C-16
C-14
C-16
9
21
33
35
24
12
3 4
7
8
5 6
39
28
41
30
18
4243
31
1920
32
40
29
1617
38
27
15
37
36
26
14
13
25
2
1
34
23
11
10
22
<LHD>
AC310613
Connector: C-27 <LHD>
AJ
AC310623
Connector: C-210 <LHD>
AS
Harness side
Junction block (Front view)
AC310633AC
Connector: D-03 <LHD>
D-03 (B)
9
3
2
1
5 6 7 8
4
10
AC310207
AE
9
3
2
1
5 6 7 8
4
10
Connector: D-16
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-410
NOTE:
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-411
<RH drive vehicles> Prior to the wiring harness
inspection, check intermediate connector C-14 <door
switch (front: RH)>, C-16 <door switch (front: RH)
and door switch (front: LH)>, C-27 <door switch
(front: LH)>, D-03 <door switch (rear: RH)>, D-16
<door switch (rear: LH)>, junction block connector
C-210, and repair if necessary.
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
Cope with Intermittent Malfunction
NO :
Repair the wiring harness.
AC310632 AR
Connectors: C-14, C-16
C-14
C-16
C-14
C-16
9
21
33
35
24
12
3 4
7
8
5 6
39
28
41
30
18
4243
31
1920
32
40
29
1617
38
27
15
37
36
26
14
13
25
2
1
34
23
11
10
22
<RHD>
AC310628AN
Connector: C-27 <RHD>
AC310618
Connector: C-210 <RHD>
AQ
Harness side
Junction block (Front view)
AC310205
AC
D-03 (B)
9
3
2
1
5 6 7 8
4
10
Connector: D-03 <RHD>
AC310207
AC310207
AF
9
3
2
1
5 6 7 8
4
10
Connector: D-16 <RHD>
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-412
Inspection Procedure P-6: Interior lamp automatic shutoff function does not work normally. <Vehicles
with keyless entry system>
CAUTION
Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.
COMMENTS ON TROUBLE SYMPTOM
The ETACS-ECU operates the interior lamp
automatic-shutdown function in accordance with the
input signals below.
• Ignition switch (ACC)
• Ignition switch (IG1)
• Driver's door switch
• All of the door switches
• Interior lamp loaded signal
If this function does not work normally, these input
signal circuit(s) or the ETACS-ECU may be
defective. Note that this function can be
disabled/enabled by the adjustment function (default
setting; enabled).
POSSIBLE CAUSES
• Malfunction of the door switches
• Malfunction of the room lamp
• Malfunction of the ETACS-ECU
• Damaged harness wires and connectors
DIAGNOSTIC PROCEDURE
Step 1. Check the power supply circuit.
When the ignition switch is turned to the LOCK
(OFF) position, check if the hazard warning lamps
illuminate.
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Refer to inspection procedure A-2 "Check
the ETACS-ECU battery power supply
circuit
INPUT SIGNAL
KEY CYLINDER
ILLUMINATION
LAMP
· ROOM LAMP
· DOOR LAMP AND
LUGGAGE
COMPARTMENT
LAMP
· REAR PERSONAL
LAMP
KEEP RELAY
LOAD
DETERMINATION
CIRCUIT
J/B SIDE
· ALL DOOR
SWITCH
· FRONT DOOR
SWITCH
· IGNITION
SWITCH (ACC)
· IGNITION
SWITCH (IG1)
· INTERIOR LAMP
LOADED SIGNAL
ETACS-ECU
FUSIBLE
LINK
26
Interior Lamp Automatic Shut-off Function Circuit
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