Mitsubishi Montero (2002-2004). Manual — part 256
SYMPTOM PROCEDURES
TSB Revision
SWS SYMPTOM PROCEDURES
54Bb-71
STEP 2. Check the input signal by using "DATA LIST"
menu of the SWS monitor.
Turn the ignition switch to the "ON" position before checking
input signals from the ignition switch (IG1).
Operate scan tool MB991502 according to the procedure below
to display "ETACS ECU."
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "SWS MONITOR."
4. Select "DATA LIST."
5. Select "ETACS ECU."
Check that normal conditions are displayed on the items
described in the table below.
Q: Is normal condition displayed on the "IG SW (IG1)"?
YES : Go to Step 3.
NO : Refer to Inspection Procedure O-2 "ETACS-ECU
does not receive any signal from the ignition switch
(IG1)
."
STEP 3. Check the input signal (by using the pulse check
mode of the monitor.)
Check input signal from the driver's side seat belt switch.
Operate scan tool MB991502 according to the procedure below
to display "PULSE CHECK."
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "PULSE CHECK."
• When the driver's seat belt is unfastened, check if scan tool
MB991502 sounds or not.
Q: Does scan tool MB991502 sound when the driver's side
seat belt is unfastened?
Yes : Replace the ETACS-ECU. Verify that the seat belt
tone alarm function now works normally.
No : Refer to Inspection Procedure P-3 "ETACS-ECU does
not receive any signal from the driver's side seat belt
switch
ITEM NO.
ITEM NAME
NORMAL CONDITION
ITEM 30
IG SW (IG1)
ON
AC204222AB
16-pin
13-pin
MB991502
MB991862
AC204222AB
16-pin
13-pin
MB991502
MB991862
SYMPTOM PROCEDURES
TSB Revision
SWS SYMPTOM PROCEDURES
54Bb-72
INSPECTION PROCEDURE B-4: Tone Alarm: RV meter operating sound function does not work
normally.
NOTE: This troubleshooting procedure requires the
use of scan tool MB991502 and SWS monitor kit
MB991862. For details on how to use the SWS mon-
itor, refer to "How to use SWS monitor
.
CIRCUIT OPERATION
The ETACS-ECU sound a tone alarm when the RV
meter sends a sound request signal to the ECU.
.
TECHNICAL DESCRIPTION (COMMENT)
If this function does not work normally, the RV meter,
the ETACS-ECU or their communication circuit may
be defective.
.
TROUBLESHOOTING HINTS
• The RV meter may be defective
• The ETACS-ECU may be defective
• The wiring harness or connectors may have
loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector
DIAGNOSIS
Required Special Tools:
• MB991223: Harness Set
• MB991502: Scan Tool (MUT-II)
• MB991862: SWS monitor kit
STEP 1. Check the RV meter.
Q: Does the RV meter work normally?
YES : Go to Step 2.
NO : Check the RV meter. Refer to GROUP 54A, RV meter
RV Meter Annunciation Function
SYMPTOM PROCEDURES
TSB Revision
SWS SYMPTOM PROCEDURES
54Bb-73
STEP 2. Use scan tool MB991502 to select "ECU COMM
CHK" on the SWS monitor display.
Check the following ECUs:
• ETACS-ECU
• RV meter
CAUTION
To prevent damage to scan tool MB991502, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991502.
(1) Connect scan tool MB991502 to the data link connector
(16-pin).
(2) Connect SWS monitor kit MB991862 to the data link
connector (13-pin).
(3) Turn the ignition switch to the "LOCK" (OFF) position.
(4) Operate scan tool MB991502 according to the procedure
below to display "ECU COMM CHK."
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "SWS MONITOR."
4. Select "ECU COMM CHK."
(5) Scan tool MB991502 should show "OK" on the "ECU
COMM CHK" menus for both the "ETACS ECU" and the
"CENTER DISP." menus.
Q: Is "OK" displayed on both the "ETACS ECU" and
"CENTER DISP." menu?
"OK" are displayed for all the items : Go to Step 3.
"NG" is displayed on the "ETACS ECU" menu : Refer to
Inspection Procedure A-3 "Communication with
ETACS-ECU is not possible
."
"NG" is displayed on the "CENTER DISP." menu : Refer
to Inspection procedure A-6 "Communication with RV
meter is not possible
AC204222AB
16-pin
13-pin
MB991502
MB991862
SYMPTOM PROCEDURES
TSB Revision
SWS SYMPTOM PROCEDURES
54Bb-74
STEP 3. Check the input signal by using "FUNCTION
DIAG." menu of the SWS monitor.
Turn the ignition switch to the "ON" position to check the input
signals from the following switches.
Operate scan tool MB991502 according to the procedure below
to display "CENTR. DIS. ALM."
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "SWS MONITOR."
4. Select "FUNCTION DIAG."
5. Select "BUZZER."
6. Select "CENTR. DIS. ALM."
When the RV meter display switch is operated, check that nor-
mal conditions are displayed on the items described in the table
below.
Q: Are normal conditions displayed on the "BUZZER" and
"beep data"?
YES : Replace the ETACS-ECU. Verify that the RV meter
operating sound function works normally.
NO :
• Normal condition is not displayed on the
"BUZZER": Replace the ETACS-ECU. Verify that
the RV meter operating sound function works
normally.
• Normal condition is not displayed on the "beep
data": Refer to Inspection Procedure O-10
"ETACS-ECU does not receive signals from any
control switches
CENTRAL DOOR LOCKING SYSTEM
GENERAL DESCRIPTION CONCERNING THE CENTRAL DOOR LOCKING SYSTEM
M1549021100088
The following ECUs affect the functions and control
of the central door locking system.
ITEM NO.
ITEM NAME
NORMAL
CONDITION
ITEM 43
BUZZER
ON
ITEM 60
beep data
ON (2 kHz)
AC204222AB
16-pin
13-pin
MB991502
MB991862
FUNCTION
CONTROL ECU
Door lock function
Operating the driver’s or front passenger’s door lock key
cylinder
ETACS-ECU
Operating the driver’s or front passenger’s door lock switch
Operating the driver’s door inside lock knob
Door unlock function
Operating the driver’s door lock key cylinder
Operating the front passenger’s door lock key cylinder
Operating the driver’s or front passenger’s door lock switch
Forgotten key prevention function
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст