Mitsubishi Colt Ralliart. Manual — part 428
INPUT SIGNAL PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-220
Step 2. Check the hazard warning lamp switch.
Refer to GROUP 54A
− Hazard warning lamp switch
.
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Replace the hazard warning lamp switch.
Step 3. Resistance measurement at the B-09
hazard warning lamp switch connector.
(1) Disconnect the connector, and measure at the
wiring harness side.
(2) Resistance between B-09 hazard warning lamp
switch connector terminal No.2 and body earth
OK: Continuity exists (2
Ω or less)
Q: Is the check result normal?
YES :
Go to Step 5.
NO :
Go to Step 4.
Step 4. Check the wiring harness between B-09
hazard warning lamp switch connector terminal
No.2 to the body earth.
NOTE: Prior to the wiring harness inspection, check
joint connector B-25, and repair if necessary.
• Check the input line for open circuit.
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
use Troubleshooting/inspection Service
Points
− How to Cope with Intermittent
).
NO :
Repair the wiring harness.
Step 5. Connector check: B-133 ETACS-ECU
connector
Q: Is the check result normal?
YES :
Go to Step 6.
NO :
Repair the defective connector.
AC401055
AJ
Connector: B-09
Harness side
AC310506DR
Connector B-09
(Harness side)
AC401056
Connectors: B-09, B-25
AE
B-25
B-25
B-25
B-09
Harness side
AC313826AC
B-133 (GR)
Connector: B-133
Harness side
Junction block (Rear view)
Main
Index
Group
TOC
INPUT SIGNAL PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-221
Step 6. Check the wiring harness between B-133
ETACS-ECU connector terminal No.71 to B-09
hazard warning lamp switch connector terminal
No.1.
• Check the input line for open circuit.
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Repair the wiring harness.
Step 7. ETACS switch data by using the SWS
monitor
Check the input signal from the hazard warning lamp
switch.
• hazard warning lamp switch: from OFF to ON
OK: Normal condition is displayed.
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
use Troubleshooting/inspection Service
Points
− How to Cope with Intermittent
).
NO :
Replace the ETACS-ECU.
AC401055
AJ
Connector: B-09
Harness side
AC313826AC
B-133 (GR)
Connector: B-133
Harness side
Junction block (Rear view)
Item No.
Item name
Normal
condition
Item 04
HAZARD LMP SW
OFF to
ON (only
when
switch is
operated)
Main
Index
Group
TOC
INPUT SIGNAL PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-222
Inspection Procedure N-10: All the door switch signals are not received.
CAUTION
Whenever the ECU is replaced, ensure that the
input signal circuit is normal.
COMMENTS ON TROUBLE SYMPTOM
Input signals from all the door switches are used to
operate the functions below. If the signal(s) are
abnormal, these functions will not work normally.
• Door-ajar warning buzzer
• Keyless entry system
• Room lamp
• Door-ajar warning lamp
POSSIBLE CAUSES
• Malfunction of the door switches
• Malfunction of the ETACS-ECU
• Damaged harness wires and connectors
DOOR SWITCH
(FRONT: RH)
DOOR SWITCH
(REAR: RH)
DOOR SWITCH
(REAR: LH)
DOOR SWITCH
(FRONT: LH)
ETACS-ECU
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
TAILGATE
SWITCH
Door Switches Input Circuit
Main
Index
Group
TOC
INPUT SIGNAL PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-223
DIAGNOSIS PROCEDURE
Step 1. SWS monitor data list
<Selected item> ETACS ECU
• Driver's door is open
OK: Normal condition is displayed.
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Refer to inspection procedure N-3 "The
driver's door switch signal is not received
."
Step 2. ETACS switch data by using the SWS
monitor
Check the input signal from the passenger's door
switch.
• Passenger’s door: Close → Open
OK: Normal condition is displayed.
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Refer to inspection procedure N-14 "The
passenger's door switch signal is not
received
."
Step 3. Connectors check: C-29 (front: RH), C-19
(front: LH), C-08 (rear: RH) or C-14 (rear: LH) door
switch connectors or E-08 <tailgate> tailgate
switch connector, and B-133 ETACS-ECU
connector
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Repair the defective connector.
Item No.
Item name
Normal
condition
Item 32
DR DOOR SW
ON
Item No.
Item name
Normal
condition
Item 05
PASS DOOR SW
from OFF
to ON
AC313826AC
B-133 (GR)
Connector: B-133
Harness side
Junction block (Rear view)
AC401057
AG
Connectors: C-08, C-29
Harness side
C-08, C-29
C-08
C-29
AC401059
Connectors: C-14, C-19
AE
C-14, C-19
C-14
C-19
Harness side
AC401046
Connector: E-08
AE
Harness side
E-08 (B)
Main
Index
Group
TOC
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