Mitsubishi L200. Manual — part 521
CPU
IC
IC
AC806165
Power Window Sub Switch Circuit
ETACS-ECU
RELAY
BOX
POWER WINDOW
RELAY
FUSIBLE
LINK
23
POWER WINDOW
SUB SWITCH
(FRONT: LH)
POWER WINDOW
MOTOR
(FRONT: LH)
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
AB
AC900873AC
HALL IC
C-134
HALL IC
E-16
E-18
C-134
DOOR
BODY
42-144
AC903704
Power Window Sub Switch Circuit <Double Cab>
RELAY
BOX
POWER WINDOW
RELAY
FUSIBLE
LINK
23
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
POWER
WINDOW
SUB
SWITCH
(REAR: LH)
POWER
WINDOW
MOTOR
(REAR: LH)
POWER
WINDOW
MOTOR
(REAR: RH)
CPU
HALL IC
HALL IC
CPU
POWER
WINDOW
SUB
SWITCH
(REAR: RH)
ETACS-ECU
AB
18 C-16
HALL IC
HALL IC
DOOR
BODY
42-145
COMMENTS ON TROUBLE SYMPTOM
If the front passenger's or rear power window <Dou-
ble cab> does not work by means of the respective
power window sub switch, the power window sub
switch or the power window motor may be defective.
PROBABLE CAUSES
• Malfunction of the power window sub switch
(front: LH), power window sub switch (rear: RH)
or power window sub switch (rear: LH)
DOOR
BODY
42-146
• Malfunction of the power window motor (front:
LH), power window motor (rear: RH) or power
window motor (rear: LH)
• Damaged harness wires and connectors
DIAGNOSIS PROCEDURE
STEP 1. Check the power window main switch.
Check that the power window lock switch is turned
off.
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Turn off the power window lock switch.
STEP 2. M.U.T.-III diagnosis code.
When the ignition switch is turned to the "ON" posi-
tion, check that the ETACS-ECU does not set the
diagnosis code.
Q: Is the diagnosis code set?
YES :
Refer to
.
NO :
Go to Step 3.
STEP 3. Determine a trouble spot.
Q: Which power window does not work?
Front passenger's door :
Go to Step 4.
Rear right door <Double cab> :
Go to Step 12.
Rear left door <Double cab> :
Go to Step 20.
STEP 4. Connector check: E-16 power window
sub switch (front: LH) connector
AC509952
Connector: E-16 <RHD>
BB
Harness side
Q: Is the check result normal?
YES :
Go to Step 5.
NO :
Repair the connector.
STEP 5. Check the power window sub switch
(front: LH)
Check that the power window sub switch (front: LH)
works normally. Refer to
Q: Is the check result normal?
YES :
Go to Step 6.
NO :
Replace the power window sub switch
(front: LH).
STEP 6. Voltage measurement at the E-16 power
window sub switch (front: LH) connector.
AC509952
Connector: E-16 <RHD>
BB
Harness side
(1) Disconnect the connector, and measure at the
wiring harness side.
(2) Turn the ignition switch to the ON position.
AC310507IZ
Connector E-16
(harness side)
(3) Check the voltage between the E-16 power
window sub switch (front: LH) connector terminal
No.4 and body earth.
OK: System voltage
Q: Is the check result normal?
YES :
Go to Step 9.
NO :
Go to Step 7.
STEP 7. Connector check: A-24X power window
relay connector
AC600252
AG
Connector: A-24X
Relay box side
Q: Is the check result normal?
DOOR
BODY
42-147
YES :
Go to Step 8.
NO :
Repair the connector.
STEP 8. Check the wiring harness between E-16
power window sub switch (front: LH) connector
terminal No.4 and A-24X power window relay
connector terminal No.3.
AC600252
AG
Connector: A-24X
Relay box side
AC509952
Connector: E-16 <RHD>
BB
Harness side
NOTE:
AC903865
Connectors: C-32, C-33 <RHD>
AE
C-33
C-32 (GR)
C-32
C-33
AC903363
AU
Connector: C-134 <RHD>
Prior to the wiring harness inspection, check interme-
diate connectors C-33, C-134 and joint connector C-
32, and repair if necessary.
• Check the power supply line for open circuit.
Q: Is the check result normal?
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