Mitsubishi L200. Manual - part 506

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BODY

42-84

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 ).

DIAGNOSIS CODE PROCEDURES 
<POWER WINDOWS>

Code No.1001: P/W (DR) SW pulse1 disconnection <LH drive vehicles>

CAUTION

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

AC806142

Power Window (Front: LH) Circuit

CPU

HALL IC

HALL IC

POWER 
WINDOW
MAIN SWITCH

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

FRONT (LH)

AC

7  C-134

COMMENTS ON TROUBLE SYMPTOM
If the pulse 1 signal from the power window motor 
(front: LH) cannot be received, the power window 
main switch sets the diagnosis trouble code No. 
1001.

PROBABLE CAUSES

• Malfunction of the front power window motor (LH)

• Malfunction of the power window main switch

• Damaged harness wires and connectors

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DIAGNOSIS PROCEDURE

STEP 1. Connector check: E-03 power window 
main switch connector and E-18 front power 
window motor (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 2.

NO : 

Repair the connector.

STEP 2. Check the wiring harness between E-03 
power window main switch connector terminal 
Nos.8, 1, 12 and E-18 front power window motor 
(LH) connector terminal Nos.6, 3, 5.

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 or short 

circuit.

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Repair the wiring harness.

STEP 3. Check whether the diagnosis code is 
reset.
(1) Replace the front power window motor (LH).
(2) Check that diagnosis code is not reset.

Q: Is diagnosis code set?

YES : 

Replace the power window main switch.

NO : 

The procedure is complete.

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Code No.1001: P/W (DR) SW pulse1 disconnection <RH drive vehicles>

CAUTION

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

AC903671

7  C-122

Power Window (Front: RH) Circuit

CPU

HALL IC

HALL IC

POWER 
WINDOW
MAIN SWITCH

POWER WINDOW
MOTOR
(FRONT: 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 (RH)

AB

COMMENTS ON TROUBLE SYMPTOM
If the pulse 1 signal from the power window motor 
(front: RH) cannot be received, the power window 
main switch sets the diagnosis trouble code No. 
1001.

PROBABLE CAUSES

• Malfunction of the front power window motor 

(RH)

• Malfunction of the power window main switch

• Damaged harness wires and connectors

DIAGNOSIS PROCEDURE

STEP 1. Connector check: E-03 power window 
main switch connector and E-01 front power 
window motor (RH) connector

AC509954

Connectors: E-01, E-03 <RHD>

AG

Harness side

E-03

E-03

Harness side

E-01 (B)

E-01 (B)

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Repair the connector.

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STEP 2. Check the wiring harness between E-03 
power window main switch connector terminal 
Nos.8, 10, 12 and E-01 front power window motor 
(RH) connector terminal Nos.6, 4, 5.

AC509954

Connectors: E-01, E-03 <RHD>

AG

Harness side

E-03

E-03

Harness side

E-01 (B)

E-01 (B)

• Check the input and output lines for open or short 

circuit.

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Repair the wiring harness.

STEP 3. Check whether the diagnosis code is 
reset.
(1) Replace the front power window motor (RH).
(2) Check that diagnosis code is not reset.

Q: Is diagnosis code set?

YES : 

Replace the power window main switch.

NO : 

The procedure is complete.

Code No.1002: P/W (DR) SW pulse2 disconnection <LH drive vehicles>

CAUTION

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

AC806142

Power Window (Front: LH) Circuit

CPU

HALL IC

HALL IC

POWER 
WINDOW
MAIN SWITCH

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

FRONT (LH)

AC

7  C-134