Mitsubishi Grandis. Manual — part 134
CHECK AT ECU TERMINAL
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-533
FRONT-ECU
NOTE: Measurement is not possible as the front-ECU is mounted on the relay box directly. The values are for
reference only.
8
Back-up output to windshield wiper
switch
Windshield low-speed wiper switch
or windshield high-speed wiper
switch: ON
0 V
9
Power supply from ignition switch
(IG1)
Ignition switch: ON
System voltage
10
Back-up output to headlamp switch Headlamp switch: ON
0 V
Termin
al No.
Check item
Check condition
Normal condition
AC312904AB
A-15X
A-14X
Termin
al No.
Check item
Check condition
Normal condition
1
Output to headlamp washer
When headlamp washer is
operating
System voltage
2
−
−
−
3
Battery power supply (for headlamp
washer)
Always
System voltage
4
Output to tail lamps
When the tail lamps are on
System voltage
5
Battery power supply (for ECU)
Always
System voltage
6
Output to low-beam headlamps
When low-beam headlamps are on System voltage
7
Battery power supply (for tail lamps) Always
System voltage
8, 9
Battery power supply (for
headlamps)
Always
System voltage
10
Output to high-beam headlamps
When high-beam headlamps are on System voltage
11
Output to front fog lamps
When front fog lamps are on
System voltage
21
Earth
Always
0 V
22
Power supply to the ignition switch
(IG2)
Ignition switch: ON
System voltage
23
−
−
−
24
Output to windshield wiper (high
speed operation)
When windshield wipers are
operating at high speed
System voltage
25
Output to windshield wiper (low
speed operation)
When windshield wipers are
operating at low speed
System voltage
26
Back-up input from windshield
wiper switch
Windshield low-speed wiper switch
or windshield high-speed wiper
switch: ON
0 V
27
Back-up input from headlamp
switch
Headlamp switch: ON
0 V
CHECK AT ECU TERMINAL
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-534
POWER WINDOW MAIN SWITCH
POWER WINDOW SUB SWITCH
28
Power supply from ignition switch
(ACC)
Ignition switch: ACC
System voltage
29
Input of windshield wiper automatic
stop signal
When windshield wipers are
operating
System voltage
30
SWS communication line
Always
0 to 12 V (pulse signal)
31
Output to windshield washer
When windshield washer is
operating
System voltage
Termin
al No.
Check item
Check condition
Normal condition
AC312905 AB
F-05
Termin
al No.
Check item
Check condition
Normal condition
1
Output to power window motor
−
−
2
Earth
Always
0 V
3
−
−
−
4
SWS communication line (to
ETACS-ECU)
Always
0 to 12 V (pulse signal)
5
−
−
−
6
Power supply
Power window relay: ON
System voltage
7
Output to power window motor
−
−
8
Input from power window motor
(pulse sensor earth)
−
0 V
9
Input from power window motor
(pulse sensor signal)
When the power windows are
operating
0 to 5 V (pulse signal)
10
Input from power window motor
(pulse sensor signal)
When the power windows are
operating
0 to 5 V (pulse signal)
11
SWS communication line (power
window sub switch)
Power window relay: ON
0 to 12 V (pulse signal)
12
Input from power window motor
(power supply to pulse sensor)
When the power windows are
operating
5 V
13, 14
−
−
−
AC312906 AB
F-15 (front: RH), F-02 (rear: LH), F-18 (rear: RH) <LHD>
F-26 (front: LH), F-02 (rear: LH), F-18 (rear: RH) <RHD>
CHECK AT ECU TERMINAL
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-535
SUNROOF MOTOR ASSEMBLY
Termin
al No.
Check item
Check condition
Normal condition
1
Earth
Always
0 V
2
Input from power window motor
−
−
3
Input from power window motor
−
−
4
Power supply
Power window relay: ON
System voltage
5
Output to power window motor
−
−
6
SWS communication line
Power window relay: ON
0 to 12 V (pulse signal)
7
Output to power window motor
−
−
8
Input from power window motor
−
−
AC312932AB
E-07
Termin
al No.
Check item
Check condition
Normal condition
1
System voltage (for motor)
Always
System voltage
2
Power supply from ignition switch
(IG2)
Ignition switch: ON
System voltage
3, 4
−
−
−
5
Earth
Always
0 V
6
Input from sunroof switch (close)
Sunroof switch: Close
0 V
7
−
−
−
8
Input from sunroof switch (open)
Sunroof switch: Open
0 V
9
−
−
−
10
SWS communication line (to
ETACS-ECU)
Always
0 to 12 V (pulse signal)
54C-1
GROUP 54C
SMART WIRING
SYSTEM (SWS)
USING SWS
MONITOR
CONTENTS
GENERAL INFORMATION . . . . . . . .
SPECIAL TOOLS. . . . . . . . . . . . . . . .
TROUBLESHOOTING . . . . . . . . . . . .
PRIOR TO TROUBLESHOOTING . . . . . . .
STANDARD FLOW OF DIAGNOSTIC
TROUBLESHOOTING . . . . . . . . . . . . . . . .
HOW TO CONNECT THE SWS MONITOR
ECU CHECK . . . . . . . . . . . . . . . . . . . . . . . .
DATA LIST CHECK . . . . . . . . . . . . . . . . . .
PULSE CHECK. . . . . . . . . . . . . . . . . . . . . .
MUT-III DRIVE RECORDER FUNCTION . .
DIAGNOSIS CODE CHART. . . . . . . .
DIAGNOSTIC TROUBLE CODE
PROCEDURES . . . . . . . . . . . . . . . . .
Diagnosis code No.01 Trouble in SWS communication
line system or ETACS-ECU . . . . . . . . . . . .
Diagnosis code No.02 Communication error with
column switch . . . . . . . . . . . . . . . . . . . . . . .
Diagnosis code No.03 Communication error with
front-ECU . . . . . . . . . . . . . . . . . . . . . . . . . .
Diagnosis code No.04 Communication error with
sunroof-ECU . . . . . . . . . . . . . . . . . . . . . . . .
Diagnosis code No.05 Communication error with power
window main switch . . . . . . . . . . . . . . . . . .
Diagnosis code No.10 Bus off. . . . . . . . . . .
Diagnosis code No.11 Engine-A/T-ECU time-out
(related to engine) . . . . . . . . . . . . . . . . . . . .
Diagnosis code No.12 Engine-A/T-ECU time-out
(related to A/T). . . . . . . . . . . . . . . . . . . . . . .
Diagnosis code No.13 A/C-ECU time-out . .
Diagnosis code No.14 Meter time-out . . . . .
Diagnosis code No.21 Meter failure information
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLE SYMPTOM CHART . . . . .
CHECK TROUBLE BY USING THE INPUT
SIGNAL CHECK . . . . . . . . . . . . . . . . .
OPERATION AND FUNCTION
QUICK-REFERENCE TABLE FOR INPUT
SIGNAL INSPECTION PROCEDURES
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SYMPTOM PROCEDURES . . . . . . . .
Inspection Procedure A-1: Communication with the
SWS monitor is not possible.. . . . . . . . . . . .
Inspection Procedure A-2: Communication with the
column switch (column-ECU) is not possible.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure A-3: Communication with the
ETACS-ECU is not possible. . . . . . . . . . . . .
Inspection Procedure A-4: Communication with the
front-ECU is not possible. . . . . . . . . . . . . . .
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