Mitsubishi Grandis. Manual — part 99
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-393
NOTE:
Prior to the wiring harness inspection, check
intermediate connector E-11 and junction block
connector C-211, and repair if necessary.
• Check the earth wires for open circuit.
Q: Is the check result normal?
YES :
Replace the rear personal lamp.
NO :
Repair the wiring harness.
AC310626
Connector: C-219
Junction block (Rear view)
<LHD>
AB
Junction block side
AC310620
Connector: C-219
Junction block
(Rear view)
<RHD>
AB
Junction block side
AC310652
AF
Connectors: E-04, E-06, E-08, E-09, E-11
Harness side
E-04
E-04, E-06, E-08, E-09
E-09
<LHD>
E-11
E-06
E-08
E-11
AC310656
AE
Connectors: E-04, E-06, E-08, E-09, E-11
Harness side
E-04
E-04, E-06, E-08, E-09
E-09
<RHD>
E-11
E-05
E-08
E-11
AC310623
AC310623
Connector: C-211
AQ
<LHD>
Junction block (Front view)
Harness side
3
1
2
AC310618
AC310618
Connector: C-211 <RHD>
AS
Harness side
Junction block (Front view)
3
1
2
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-394
Inspection Procedure P-4: The luggage compartment lamp does not illuminate normally.
CAUTION
Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.
COMMENTS ON TROUBLE SYMPTOM
If the luggage compartment lamp does not illuminate
or extinguish normally, wiring harness connector(s)
or the bulb may be defective.
POSSIBLE CAUSES
• Malfunction of the luggage compartment lamp
bulbs
• Damaged harness wires and connectors
Luggage Room Lamp Circuit
ETACS-ECU
LUGGAGE COMPARTMENT
LAMP
Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Gray R : Red P : Pink V : Violet
J/B SIDE
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-395
DIAGNOSTIC PROCEDURE
Step 1. Pulse check
Check the input signals below, which are related to
the room lamp.
OK: The MUT-III sounds or the voltmeter
needle fluctuates.
Q: Is the check result normal?
All the signals are received normally. :
Go to Step
All the door switch signals are not received. :
Refer to inspection procedure Q-14 "All the
door switch signals are not received
The driver's door lock actuator switch signal is not
received. :
Refer to inspection procedure Q-15
"The driver's door lock actuator switch
signal is not received <LH drive
vehicles>
or <RH drive
vehicles>
The interior lamp switch signal is not received. :
Refer to inspection procedure Q-22 "The
interior lamp "all on" or "all off" switch signal
is not sent to the ETACS-ECU
."
Step 2. Connector check: G-12 luggage
compartment lamp connector
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Repair the defective connector.
Step 3. Check the bulbs of the luggage
compartment lamp.
Check that the luggage compartment lamp bulbs are
not burned out.
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Replace the luggage compartment lamp
bulb.
Step 4. Connector check: C-221 ETACS-ECU
connector
Q: Is the check result normal?
YES :
Go to Step 5.
NO :
Repair the defective connector.
System switch
Check condition
Driver's door switch
Driver's door is opened
while all the other doors
are closed.
Passenger’s door switch Passenger's door is
opened while all the
other doors are closed.
Rear door (RH) switch
Rear door (RH) is
opened while all the
other doors are closed
Rear door (LH) switch
Rear door (LH) door is
opened while all the
other doors are closed
Tailgate switch
TAilgate is opened while
all the other doors are
closed
Driver's door lock
actuator switch
When the driver's door is
unlocked or locked
Interior lamp ON switch
When turned from OFF
to ON
Interior lamp OFF switch When turned from ON to
OFF
AC310222
Connector: G-12
AI
G-12
Harness side
AC310626
Connector: C-221
Junction block (Rear view)
<LHD>
AC
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
Harness side
C-221(GR)
AC310620
Connector: C-221
Junction block
(Rear view)
<RHD>
AC
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
Harness side
C-221(GR)
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-396
Step 5. Check the wiring harness from C-221
ETACS-ECU connector terminal No.52 to G-12
luggage compartment lamp connector terminal
No.2.
NOTE:
Prior to the wiring harness inspection, check
intermediate connector C-16, G-14, and repair if
necessary.
• Check the earth wires for open circuit.
Q: Is the check result normal?
YES :
Go to Step 6.
NO :
Repair the wiring harness.
AC310626
Connector: C-221
Junction block (Rear view)
<LHD>
AC
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
Harness side
C-221(GR)
AC310620
Connector: C-221
Junction block
(Rear view)
<RHD>
AC
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
Harness side
C-221(GR)
AC310222
Connector: G-12
AI
G-12
Harness side
AC310615
AE
Connector: C-16 <LHD>
AC310631 AD
Connector: C-16 <RHD>
AC310222
AC310222
Connector: G-14
AK
2
1
4
3
13
8
11
10
5
7
12
6
14
9
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