Mitsubishi Grandis. Manual — part 165
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-122
COMMENT ON TROUBLE SYMPTOM
If a door or the tailgate can not be locked or unlocked
by the central door locking system, the door lock
actuator or the tailgate lock actuator may be
defective.
POSSIBLE CAUSES
• Malfunction of the door lock actuator
• Malfunction of the tailgate lock actuator
• Damaged harness wires and connectors
DIAGNOSIS PROCEDURE
Step 1. Confirm which door lock actuator is
defective.
Q: Which door fails to lock correctly?
Driver's door :
Go to Step 2.
Front passenger's door :
Go to Step 6.
Rear right door :
Go to Step 10.
Rear left door :
Go to Step 14.
Step 2. Connector check: F-17 door lock actuator
(front: RH) connector
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Repair the defective connector.
Step 3. Check the door lock actuator (front: RH)
Check that the door lock actuator (front: RH) works
normally. Refer to GROUP 42
− Door
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Replace the door lock actuator (front: RH).
Step 4. Connector check: C-219, C-220
ETACS-ECU connector
Q: Is the check result normal?
YES :
Go to Step 5.
NO :
Repair the defective connector.
AC310213
AC
Connector: F-17
<RHD>
Harness side
F-17(B)
AC310621
Connectors: C-219, C-220
<RHD>
C-220
AB
C-220
Junction block (Rear view)
Junction block side
C-219
C-219
Harness side
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-123
Step 5. Check the wiring harness from C-219
ETACS-ECU connector terminal No.12 and C-220
ETACS-ECU connector No.22 to F-17 door lock
actuator (front: RH) connector terminal Nos.4
and 6.
NOTE:
Prior to the wiring harness inspection, check
intermediate connector C-14 and junction block
connector C-205, and repair if necessary.
• Check the input and output lines for open circuit.
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
Cope with Intermittent Malfunction
NO :
Repair the wiring harness.
Step 6. Connector check: F-04 door lock actuator
(front: LH) connector
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Repair the defective connector.
Step 7. Check the door lock actuator (front: LH).
Check that the door lock actuator (front: LH) works
normally. Refer to GROUP 42
− Door
Q: Is the check result normal?
AC310621
Connectors: C-219, C-220
<RHD>
C-220
AB
C-220
Junction block (Rear view)
Junction block side
C-219
C-219
Harness side
AC310213
AC
Connector: F-17
<RHD>
Harness side
F-17(B)
AC310631
Connector: C-14 <RHD>
AG
AC310618
Connector: C-205 <RHD>
AM
Junction block (Front view)
Harness side
AC310211
AE
Connector: F-04 <RHD>
Harness side
F-04(B)
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-124
YES :
Go to Step 8.
NO :
Replace the door lock actuator (front: LH).
Step 8. Connector check: C-219 ETACS-ECU
connector
Q: Is the check result normal?
YES :
Go to Step 9.
NO :
Repair the defective connector.
Step 9. Check the wiring harness from C-219
ETACS-ECU connector terminal Nos.12 and 13 to
F-04 door lock actuator (front: LH) connector
terminal Nos.4 and 6.
NOTE:
Prior to the wiring harness inspection, check
intermediate connector C-27 and junction block
connector C-205, and repair if necessary.
• Check the input and output lines for open circuit.
Q: Is the check result normal?
AC310620
Connector: C-219
Junction block
(Rear view)
<RHD>
AB
Junction block side
AC310620
Connector: C-219
Junction block
(Rear view)
<RHD>
AB
Junction block side
AC310211
AE
Connector: F-04 <RHD>
Harness side
F-04(B)
AC310628AC
Connector: C-27 <RHD>
AC310618
Connector: C-205 <RHD>
AM
Junction block (Front view)
Harness side
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-125
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
Cope with Intermittent Malfunction
NO :
Repair the wiring harness.
Step 10. Connector check: F-20 door lock
actuator (rear: RH) connector
Q: Is the check result normal?
YES :
Go to Step 11.
NO :
Repair the defective connector.
Step 11. Check the door lock actuator (rear: RH).
Check that the door lock actuator (rear: RH) is in
good condition. Refer to GROUP 42
− Door
Q: Is the check result normal?
YES :
Go to Step 12.
NO :
Replace the door lock actuator (rear: RH).
Step 12. Connector check: C-219 ETACS-ECU
connector
Q: Is the check result normal?
YES :
Go to Step 13.
NO :
Repair the defective connector.
Step 13. Check the wiring harness from C-219
ETACS-ECU connector terminal Nos.12 and 13 to
F-20 door lock actuator (rear: RH) connector
terminal Nos.4 and 6.
NOTE:
Prior to the wiring harness inspection, check D-03
intermediate connector and C-210 junction block
connector, and repair if necessary.
• Check the input and output lines for open circuit.
Q: Is the check result normal?
AC310216
Connector: F-20
Harness side
AE
F-20(B)
AC310620
Connector: C-219
Junction block
(Rear view)
<RHD>
AB
Junction block side
AC310620
Connector: C-219
Junction block
(Rear view)
<RHD>
AB
Junction block side
AC310216
Connector: F-20
Harness side
AE
F-20(B)
AC310618
Connector: C-210 <RHD>
AO
Junction block (Front view)
Harness side
AC310205
AB
Connector: D-03 <RHD>
D-03(B)
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