Mitsubishi L200. Manual — part 517

DOOR

BODY

42-128

Inspection Procedure B-2: Driver's Power Window does not Work by means of the Power Window
Main Switch. <LH drive vehicles>

CAUTION

Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.

AC900871

Power Window (LH) Circuit

ETACS-ECU

RELAY
BOX

POWER WINDOW
RELAY

FUSIBLE
LINK

23

CPU

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

HALL IC

HALL IC

POWER
WINDOW
MAIN SWITCH

POWER WINDOW
MOTOR
(FRONT: LH)

FRONT (LH)

AB

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BODY

42-129

COMMENTS ON TROUBLE SYMPTOM
If the driver's door power window does not work by
means of the power window main switch, the power
window main switch or the driver's door power win-
dow motor may be defective.

PROBABLE CAUSES

• Malfunction of the power window main switch

• Malfunction of the power window motor (front:LH)

• Damaged harness wires and connectors

DIAGNOSIS PROCEDURE

STEP 1. 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

P.42-64

.

NO :

Go to Step 2.

STEP 2. Check the power window main switch.
Check that all of the front passenger's power window
and the rear power windows <Double cab> can oper-
ate by means of the power window main switch.

Q: Is the check result normal?

YES :

Go to Step 3.

NO :

Refer to

P.42-186

.

STEP 3. Connector check: Connector check: E-
03 power window main switch connector and E-
18 power window motor (front: LH) connector

AC509952

Connectors: E-03, E-18 <LHD>

AG

Harness side

E-03

E-03

Harness side

E-18 (B)

E-18 (B)

Q: Is the check result normal?

YES :

Go to Step 4.

NO :

Repair the connector.

STEP 4. Check the wiring harness between E-03
power window main switch connector terminal
Nos. 1, 7 and E-18 power window motor (front:
LH) connector terminal Nos. 3, 1.

AC509952

Connectors: E-03, E-18 <LHD>

AG

Harness side

E-03

E-03

Harness side

E-18 (B)

E-18 (B)

• Check the input and output lines for open and

short circuit.

Q: Is the check result normal?

YES :

Go to Step 5.

NO :

Repair the wiring harness.

STEP 5. Retest the system.
(1) Replace the power window main switch.
(2) Check that the driver's power window works by

means of the power window main switch.

Q: Is the check result normal?

YES :

The procedure is complete.

NO :

Replace the power window motor (front:
LH).

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BODY

42-130

Inspection Procedure B-3: Driver's Power Window does not Work by means of the Power Window
Main Switch. <RH drive vehicles>

CAUTION

Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.

AC806163

Power Window (RH) Circuit

ETACS-ECU

RELAY
BOX

POWER WINDOW
RELAY

FUSIBLE
LINK

23

CPU

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

HALL IC

HALL IC

POWER
WINDOW
MAIN SWITCH

POWER WINDOW
MOTOR
(FRONT: RH)

FRONT (RH)

AC

7

14

DOOR

BODY

42-131

COMMENTS ON TROUBLE SYMPTOM
If the driver's door power window does not work by
means of the power window main switch, the power
window main switch or the driver's door power win-
dow motor may be defective.

PROBABLE CAUSES

• Malfunction of the power window main switch

• Malfunction of the power window motor (front:

RH)

• Damaged harness wires and connectors