Mitsubishi L200. Manual — part 502
DOOR
BODY
42-68
STEP 3. Check the wiring harness between C-218
ETACS-ECU connector terminal No.1 and fusible
link (20).
AC509934
Connector: C-218 <LHD>
AJ
Junction
block
Junction block side
AC509943
Connector: C-218 <RHD>
AC
Junction block
(Rear view)
Junction block side
AC600241AB
Battery
Fusible link (20)
Front of vehicle
24
23
22
21
20
19
NOTE:
AC509934
Connector: C-213 <LHD>
Junction block
AK
Harness side
AC509936
Connector: C-213 <RHD>
Harness side
AI
Junction block
(Front view)
Prior to the wiring harness inspection, check junction
block connector C-213, and repair if necessary.
• Check the power supply line for open and short
circuit.
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Repair the wiring harness.
STEP 4. Retest the system.
Check that the central door locking system works
normally.
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
Malfunction ).
NO :
Replace the ETACS-ECU and register the
ID codes (Refer to GROUP 54A, How to
Register Encrypted Code ).
DOOR
BODY
42-69
Inspection Procedure A-2: A Door cannot be Locked or Unlocked by the Central Door Locking System
<LH drive vehicles>.
AC903666
6
5
8
9
9
8
8
<DOUBLE CAB>
FRONT
DOOR LOCK
ACTUATOR
(RH)
REAR
DOOR LOCK
ACTUATOR
(LH)
ETACS-
ECU
REAR
DOOR LOCK
ACTUATOR
(RH)
Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Grey R : Red P : Pink V : Violet PU : Purple
FRONT
DOOR LOCK
ACTUATOR
(LH)
DOOR
UNLOCK
RELAY
DOOR
LOCK
RELAY
Central Door Lock Circuit (LHD)
AB
COMMENT ON TROUBLE SYMPTOM
If a door cannot be locked or unlocked by the central
door locking system, the door lock actuator may be
defective.
DOOR
BODY
42-70
PROBABLE CAUSES
• Malfunction of the door 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 <Double cab> :
Go to Step 10.
Rear left door <Double cab> :
Go to Step 14.
STEP 2. Connector check: E-15 front door lock
actuator (LH) connector
AC509952
Connector: E-15 <LHD>
AD
Harness side
E-15 (B)
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Repair the defective connector.
STEP 3. Check the front door lock actuator (LH)
Check that the front door lock actuator (LH) works
normally. Refer to
.
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Replace the front door lock actuator (LH).
STEP 4. Connector check: C-220 ETACS-ECU
connector
AC509934
Connector: C-220 <LHD>
AM
Junction block
Harness side
Q: Is the check result normal?
YES :
Go to Step 5.
NO :
Repair the defective connector.
DOOR
BODY
42-71
STEP 5. Check the wiring harness between C-220
ETACS-ECU connector terminal Nos. 21, 23 and
E-15 front door lock actuator (LH) connector
terminal Nos. 6, 4.
AC509934
Connector: C-220 <LHD>
AM
Junction block
Harness side
AC509952
Connector: E-15 <LHD>
AD
Harness side
E-15 (B)
NOTE:
AC509611AL
Connector: C-32 <LHD>
C-32 (GR)
AC903856AG
Connector: C-134 <LHD>
Harness side
Prior to the wiring harness inspection, check interme-
diate connector C-134 and junction block connector
C-32, and repair if necessary.
• Check the power supply line for open and short
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
Malfunction ).
NO :
Repair the wiring harness.
STEP 6. Connector check: E-04 front door lock
actuator (RH) connector
AC509954AD
Harness side
E-04 (B)
Connector: E-04 <LHD>
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Repair the defective connector.
STEP 7. Check the front door lock actuator (RH).
Check that the front door lock actuator (RH) works
normally. Refer to
.
Q: Is the check result normal?
YES :
Go to Step 8.
NO :
Replace the front door lock actuator (RH).
STEP 8. Connector check: C-220 ETACS-ECU
connector
AC509934
Connector: C-220 <LHD>
AM
Junction block
Harness side
Q: Is the check result normal?
YES :
Go to Step 9.
NO :
Repair the defective connector.
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