Mitsubishi Grandis. Manual — part 1
54B-1
GROUP 54B
SMART WIRING
SYSTEM (SWS) NOT
USING SWS
MONITOR
CONTENTS
GENERAL INFORMATION . . . . . . . .
SPECIAL TOOLS. . . . . . . . . . . . . . . .
TROUBLESHOOTING . . . . . . . . . . . .
PRIOR TO TROUBLESHOOTING . . . . . . .
STANDARD FLOW OF DIAGNOSTIC
TROUBLESHOOTING . . . . . . . . . . . . . . . .
DIAGNOSTIC 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
MUT-III is not possible. . . . . . . . . . . . . . . . .
Inspection Procedure A-2: When the ignition switch is at
the LOCK (OFF) position, the functions do not work
normally. Check the battery power supply circuit to the
ETACS-ECU.. . . . . . . . . . . . . . . . . . . . . . . .
TONE ALARM . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure B-1: Lamp reminder buzzer
function does not work normally. . . . . . . . . .
INSPECTION PROCEDURE B-2: Seat belt warning
buzzer function does not work normally. . . .
Inspection Procedure B-3: Door-ajar warning buzzer
function does not work normally. . . . . . . . . .
54B-2
Inspection Procedure B-4: Turn-signal lamp operation
sound function does not work normally. . . .
CENTRAL DOOR LOCKING SYSTEM. . . .
Inspection Procedure C-1: central door locking system
does not work.. . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure C-2: The central door locking
system does not function by using the driver's door lock
switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure C-3: The central door locking
system does not function by using the passenger's door
key cylinder. . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure C-4: The central door locking
system does not function by using the tailgate key
cylinder.. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure C-5: A door can not be locked or
unlocked by the central door locking system. <LH drive
vehicles> . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure C-5: A door can not be locked or
unlocked by the central door locking system. <RH drive
vehicles> . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure C-6: The tailgate cannot be
opened or closed. . . . . . . . . . . . . . . . . . . . .
POWER WINDOWS . . . . . . . . . . . . . . . . . .
Inspection Procedure D-1: Power windows do not work
at all. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure D-2: Driver's power window does
not work by means of the power window main switch.
<LH drive vehicles>. . . . . . . . . . . . . . . . . . .
Inspection Procedure D-2: Driver's power window does
not work by means of the power window main switch.
<RH drive vehicles> . . . . . . . . . . . . . . . . . .
Inspection Procedure D-3: Relevant power window(s)
do not work by means of the front and rear power
window sub switches. . . . . . . . . . . . . . . . . .
Inspection Procedure D-4: Passenger's and/or rear
power window(s) do not work by means of the power
window main switch. . . . . . . . . . . . . . . . . . .
Inspection Procedure D-5: The window glass lowers
automatically while it is rising. . . . . . . . . . . .
Inspection Procedure D-6: Power window anti-trap
function does not work normally.. . . . . . . . .
Inspection Procedure D-7: The power window timer
function does not work normally.. . . . . . . . .
KEYLESS ENTRY SYSTEM. . . . . . . . . . . .
Inspection Procedure E-1: Keyless entry system does
not work. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure E-2: Keyless entry hazard lamp
answerback function or the room lamp answerback
function does not work normally.. . . . . . . . .
Inspection Procedure E-3: Encrypted Code cannot be
Registered. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure E-4: The Timer Lock Function
does not Work after the Doors have been Unlocked by
the Keyless Entry System.. . . . . . . . . . . . . .
Inspection Procedure E-5: Multimode keyless entry
system function does not work at all.. . . . . .
SUNROOF. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure F-1: The sunroof does not work at
all. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure F-2: Any of the sunroof switch
positions is defective. . . . . . . . . . . . . . . . . .
Inspection Procedure F-3: Sunroof timer function does
not work normally. . . . . . . . . . . . . . . . . . . . .
Inspection Procedure F-4: The sunroof inhibition
function does not work normally (The sunroof operation
lock warning buzzer does not sound). . . . . .
Inspection Procedure F-5: Sunroof anti-trap function
does not work normally.. . . . . . . . . . . . . . . .
WINDSHIELD WIPER AND WASHER . . . .
Inspection Procedure G-1: The windshield wipers does
not work at all. . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure G-2: The windshield wipers does
not work when the wiper switch is at "INT", "WASHER"
or "MIST" position. However, the wipers work at low
speed when the switch is at "LO" and "HI" position.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure G-3: The windshield wipers do
not stop at the specified park position . . . . .
Inspection Procedure G-4: The windshield wipers does
not work normally. . . . . . . . . . . . . . . . . . . . .
Inspection Procedure G-5: The intermittent wiper
interval can not be adjusted by operating the windshield
intermittent wiper volume control. . . . . . . . .
Inspection Procedure G-6: The intermittent wiper
interval is not changed according to the vehicle speed.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure G-7: The windshield washer does
not work. . . . . . . . . . . . . . . . . . . . . . . . . . . .
REAR WIPER AND WASHER . . . . . . . . . .
INSPECTION PROCEDURE H-1: The rear wiper does
not work at all. . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure H-2: The rear wiper does not stop
at the specified park position. . . . . . . . . . . .
INSPECTION PROCEDURE H-3: When the selector
lever is moved to "R" position during the rear wiper
operation, the rear wiper does not operate at the
continuous mode. <A/T> . . . . . . . . . . . . . . .
INSPECTION PROCEDURE H-3: When the shift lever
is moved to "R" position during the rear wiper operation,
the rear wiper does not operate at the continuous mode.
<M/T> . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSPECTION PROCEDURE H-4: The rear washer
does not work. . . . . . . . . . . . . . . . . . . . . . . .
HEADLAMP WASHER . . . . . . . . . . . . . . . .
Inspection Procedure I-1: The headlamp washer does
not work. . . . . . . . . . . . . . . . . . . . . . . . . . . .
54B-3
ELECTRIC RETRACTABLE REMOTE CONTROLLED
DOOR MIRROR . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure J-1: Electric retractable remote
controlled door mirror does not work at all. .
Inspection Procedure J-2: Left or right side electric
retractable remote controlled door mirror does not work
at all. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure J-3: Electric retractable remote
controlled door mirror timer function does not at all.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure J-4: Vehicle speed-dependent
unfolding function does not work normally. .
IGNITION KEY CYLINDER ILLUMINATION LAMP
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure K-1: The ignition key cylinder
illumination lamp does not illuminate/extinguish
normally. . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT BELT WARNING LAMP . . . . . . . . . .
Inspection Procedure L-1: The seat belt warning lamp
does not flash normally. . . . . . . . . . . . . . . .
HEADLAMP AND TAIL LAMP . . . . . . . . . .
Inspection Procedure M-1: The tail/stop lamps do not
illuminate normally. . . . . . . . . . . . . . . . . . . .
Inspection Procedure M-2: The low-beam headlamps
do not illuminate normally. . . . . . . . . . . . . .
Inspection Procedure M-3: The high-beam headlamps
do not illuminate normally. . . . . . . . . . . . . .
Inspection Procedure M-4: The high-beam and
low-beam headlamps do not illuminate when the
passing switch is operated. . . . . . . . . . . . . .
Inspection Procedure M-5: The headlamp
automatic-shutdown function does not work normally.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure M-6: Any of tail/stop lamps,
position lamps or licence plate lamp does not illuminate.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure M-7: The headlamp(s) do not
illuminate. . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure M-8: The high-beam indicator
lamps does not illuminate.. . . . . . . . . . . . . .
Inspection Procedure M-9:Daytime running lamp
function does not work normally.. . . . . . . . .
FLASHER TIMER . . . . . . . . . . . . . . . . . . . .
Inspection Procedure N-1: The turn-signal lamps do not
illuminate. . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure N-2: The hazard warning lamps
do not illuminate. . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure N-3: Any of the turn-signal lamps
does not illuminate. . . . . . . . . . . . . . . . . . . .
Inspection Procedure N-4: The turn-signal indicator
lamp does not illuminate. . . . . . . . . . . . . . .
FOG LAMP . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure O-1: The front fog lamps do not
illuminate normally. . . . . . . . . . . . . . . . . . . .
Inspection Procedure O-2: The rear fog lamps do not
illuminate normally. . . . . . . . . . . . . . . . . . . .
Inspection Procedure O-3: Any of the front fog lamps
does not illuminate. . . . . . . . . . . . . . . . . . . .
INSPECTION PROCEDURE O-4: The front fog lamp
indicator does not illuminate normally. . . . .
INSPECTION PROCEDURE O-5: The Rear fog lamp
indicator does not illuminate normally. . . . .
ROOM LAMP. . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure P-1: The interior lamps (room
ramp, rear personal lamps, door lamps, luggage
compartment lamp, key illumination lamp) does not
illuminate or extinguish normally. . . . . . . . .
Inspection Procedure P-2: The room lamp does not
illuminate normally. . . . . . . . . . . . . . . . . . . .
Inspection Procedure P-3: The rear personal lamp does
not illuminate normally. . . . . . . . . . . . . . . . .
Inspection Procedure P-4: The luggage compartment
lamp does not illuminate normally. . . . . . . .
Inspection Procedure P-5: The door lamps do not
illuminate normally. . . . . . . . . . . . . . . . . . . .
Inspection Procedure P-6: Interior lamp automatic
shutoff function does not work normally. <Vehicles with
keyless entry system> . . . . . . . . . . . . . . . . .
Inspection Procedure P-7: The door-ajar warning lamp
does not illuminate/extinguish normally. . . .
INPUT SIGNAL PROCEDURES. . . . .
Inspection Procedure Q-1: The ignition switch (ACC)
signal is not received. . . . . . . . . . . . . . . . . .
Inspection Procedure Q-2: The ignition switch (IG1)
signal is not received. . . . . . . . . . . . . . . . . .
Inspection Procedure Q-3: The back-up lamp switch
signal is not received. <M/T>. . . . . . . . . . . .
Inspection Procedure Q-4: The front fog lamp switch
signal is not received. . . . . . . . . . . . . . . . . .
Inspection Procedure Q-5: The driver’s door switch
signal is not received. <LH drive vehicles> .
Inspection Procedure Q-5: The driver’s door switch
signal is not received. <RH drive vehicles>.
Inspection Procedure Q-6: The column switch (lighting,
turn-signal lamp and headlamp washer switch) signal is
not received. . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure Q-7: The column switch
(windshield wiper washer and rear wiper washer switch)
signal is not received. . . . . . . . . . . . . . . . . .
Inspection Procedure Q-8: The windshield intermittent
wiper volume signal is not received. . . . . . .
Inspection Procedure Q-9: When the power window
main switch is operated, the switch signals are not
received. . . . . . . . . . . . . . . . . . . . . . . . . . . .
54B-4
Inspection Procedure Q-10: When the sunroof switch is
operated, the switch signals are not received.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure Q-11: The key reminder switch
signal is not received. . . . . . . . . . . . . . . . . .
Inspection Procedure Q-12: The hazard warning lamp
switch signal is not received.. . . . . . . . . . . .
Inspection Procedure Q-13: The rear fog lamp switch
signal is not received. . . . . . . . . . . . . . . . . .
Inspection Procedure Q-14: All the door switch signals
are not received. . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure Q-15: The driver's door lock
actuator switch signal is not received. <LH drive
vehicles> . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure Q-15: The driver's door lock
actuator switch signal is not received. <RH drive
vehicles> . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure Q-16: The passenger’s door key
switch signal is not detected. <LH drive vehicles>
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure Q-16: The passenger’s door key
switch signal is not detected. <RH drive vehicles>
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure Q-17: The tailgate key switch
signal is not detected. . . . . . . . . . . . . . . . . .
Inspection Procedure Q-18: The tailgate lock release
handle signal is not received. . . . . . . . . . . .
Inspection Procedure Q-19: The driver's seat belt
switch signal is not received. <LH drive vehicles>
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure Q-19: The driver's seat belt
switch signal is not received. <RH drive vehicles>
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure Q-20: The front passenger's seat
belt switch signal is not received.<LH drive vehicles>
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure Q-20: The front passenger's seat
belt switch signal is not received. <RH drive vehicles>
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection procedure Q-21: Signal is not received from
the remote controlled mirror switch (folding/unfolding
switch). . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection procedure Q-22: The interior lamp "all on" or
"all off" switch signal is not sent to the ETACS-ECU.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection Procedure Q-23: Each switch signal of the
keyless entry transmitter is not received. . .
Inspection Procedure Q-24: The interior lamp loaded
signal is not detected. . . . . . . . . . . . . . . . . .
Inspection Procedure Q-25: The vehicle speed signal is
not received. . . . . . . . . . . . . . . . . . . . . . . . .
CHECK AT ECU TERMINAL . . . . . . .
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