Mitsubishi Pajero Pinin. Manual - part 354

SWS – 

Troubleshooting

54B-18

Inspection Procedure D-1

Power window: Power window do not work at all.

Probable cause

The power window relay or the ETACS-ECU may be defective.

D

Malfunction of power window relay

D

Malfunction of ETACS-ECU

D

Malfunction of harness wire or connector

OK

Measure at power window relay connector C-71.

D

Disconnect connector and measure at J/B side.

D

Voltage between terminal 5 and body earth.
OK: System voltage

D

Voltage between terminal 3 and body earth.
OK: System voltage

NG

Check the following connectors:
C-71, C-72

OK

Check trouble symptoms.

NG

Repair

NG

Check the harness wire between power window relay and fusible
link (4).

OK

Check the following connectors:
C-21 <R.H. drive vehicles>, 
C-45 <L.H. drive vehicles>, C-71, C-74, C-82, E-10

NG

Repair

OK

Check trouble symptoms.

NG

Check the harness wire between power window relay and power
window main switch, power window relay and ETACS-ECU.

NG

Repair

OK

Replace the ETACS-ECU.

Check the power window relay. (Refer to GROUP 42 – Door.)

NG

Replace

Inspection Procedure D-2

Power window: Power window main switch can not
operate drive’s window.

Probable cause

The cause is probably a malfunction of the power window main switch or
driver’s side power window motor, or an abnormality in the power supply
circuit.

D

Malfunction of power window main switch

D

Malfunction of driver’s power window motor

D

Malfunction of harness wire or connector

OK

Check trouble symptoms.

NG

Repair

NG

Check the harness wire between driver’s power window motor
and power window relay.

NG

Repair

NG

Check the harness wire between driver’s power window motor
and body earth.

(2) NG

Check the following connectors:
<L.H. drive vehicles> C-45, E-12
<R.H. drive vehicles> C-21, E-03

MUT-

II

 input signal check

D

Power window main switch

NG

Check the power window main switch input circuit. (P.54B-46,
Inspection Procedure N-16.)

OK

Check trouble symptoms.

OK

Measure at driver’s power window motor connector E-12 <L.H.
drive vehicles> or E-03 <R.H. drive vehicles>.

D

Disconnect connector and measure at harness side.

D

Turn the ignition switch to ON position.

(1) Voltage between terminal 2 and body earth.

OK: System voltage

(2) Continuity between terminal 1 and body earth.

OK: Continuity

(1) NG

Check the following connectors:
<L.H. drive vehicles> C-45, C-71, E-12
<R.H. drive vehicles> C-21, C-71, E-03

OK

Check the following connectors:
<L.H. drive vehicles> E-10, E-12
<R.H. drive vehicles> E-03, E-10

OK

Check trouble symptoms.

NG

Repair

NG

Check the harness wire between driver’s power window motor
and power window main switch.

OK

Replace the driver’s pow-
er window motor or power
window main switch.

NG

Repair

SWS – 

Troubleshooting

54B-19

Inspection Procedure D-3

Power window: Power window sub switch can not operate
passenger’s window.

Probable cause

The cause is probably a malfunction of the power window main switch or
driver’s side power window motor, or an abnormality in the power supply
circuit.

D

Malfunction of power window sub switch

D

Malfunction of passenger’s power window motor

D

Malfunction of harness wire or connector

Check the power window sub switch. (Refer to GROUP 42 – Door.)

NG

Replace the power window sub switch.

OK

Measure at power window sub switch connector E-04 <L.H. drive
vehicles> or E-09 <R.H. drive vehicles>.

D

Disconnect connector and measure at harness side.

D

Continuity between terminal 4 and body earth.
OK: Continuity

NG

Check the following connectors:
<L.H. drive vehicles> C-21, E-04
<R.H. drive vehicles> C-45, E-09

OK

Check trouble symptoms.

NG

Repair

OK

Check the following connectors:
<L.H. drive vehicles> E-04, E-06
<R.H. drive vehicles> E-09, E-12

NG

Check the harness wire between power window sub switch and
body earth.

OK

Check trouble symptoms.

NG

Repair

NG

(1) NG

Check the following connectors:
<L.H. drive vehicles> C-21, C-71, E-06
<R.H. drive vehicles> C-45, C-71, E-12

NG

Check the harness wire between power window sub switch and
passenger’s power window motor.

NG

Repair

OK

Check trouble symptom

NG

Repair

NG

Check the harness wire between passenger’s power window motor
and power window relay.

NG

Repair

NG

Check the harness wire between passenger’s power window motor
and body earth.

(2) NG

Check the following connectors:
<L.H. drive vehicles> C-21, E-06
<R.H. drive vehicles> C-45, E-12

OK

Check trouble symptom

Measure at passenger’s power window motor connector E-06
<L.H. drive vehicles> or E-12 <R.H. drive vehicles>.

D

Disconnect connector and measure at harness side.

D

Turn the ignition switch to ON position.

(1) Voltage between terminal 1 and body earth.

OK: System voltage

(2) Continuity between terminal 3 and body earth.

OK: Continuity

OK

Replace the passenger’s power window motor.

SWS – 

Troubleshooting

54B-20

Inspection Procedure D-4

Power window: Power window main switch can not
operate passenger’s window.

Probable cause

The cause is probably a malfunction of the power window main switch or
driver’s side power window motor, or an abnormality in the power supply
circuit.

D

Malfunction of power window main switch

D

Malfunction of passenger’s power window motor

D

Malfunction of harness wire or connector

Can the passenger’s side power window be operated by the
power window sub switch?

No

Refer to P.54B-19, Inspection Procedure D-3.

Yes

MUT-

II

 input signal check

D

Power window main switch

NG

Check the power window main switch input circuit. (P.54B-46,
Inspection Procedure N-16.)

OK

Check the following connectors:
<L.H. drive vehicles> C-21, C-45, E-06, E-10
<R.H. drive vehicles> C-21, C-45, E-10, E-12

NG

Repair

OK

Check trouble symptoms.

NG

Check the harness wire between power window main switch and
passenger’s power window motor.

NG

Repair

OK

Replace the power window main switch or passenger’s power
window motor.

Inspection Procedure D-5

Power window: Power window timer function does not
work normally.

Probable cause

The ETACS-ECU operates the power window timer function, based on the input
signals from the following switches:

D

Ignition switch (IG1)

D

Driver’s door switch

If the function does not work normally, a defect on the relevant circuit or the
ETACS-ECU may be suspected.

D

Malfunction of driver’s door switch

D

Malfunction of ETACS-ECU

D

Malfunction of harness wire or connector

OK

Replace the ETACS-ECU.

Is a diagnosis code output when the ignition switch is at the
OFF (LOCK) position?

Yes

Carry out troubleshooting while referring to the Diagnosis
Code Chart on P.54B-7.

No

MUT-

II

 input signal check

D

Ignition switch (IG1)

D

Driver’s door switch

D

Power window main switch

NG

Check the defective input circuit. (Refer to P.54B-13, Defects Found
by input Signal Check.)

SWS – 

Troubleshooting

54B-21

Inspection Procedure D-6

Power window: When the glass is raised, it then lowers
automatically.

Probable cause

If the sliding resistance is too large when the glass is being raised, it is judged
that something is jammed in the window, and the window is lowered by
approximately 150 mm.

D

Incorrect window glass adjustment

D

Glass slider is incorrectly installed or warped

D

Malfunction of power window motor

Check the power window operating currant. (Refer to GROUP
42 – Door.)

NG

Adjust the window glass. (Refer to GROUP 42 – Door.)

OK

Replace the power window motor.

Check trouble symptoms.

NG

Replace the window regulator assembly.

Inspection Procedure D-7

Power window: The glass is jammed in the window.

Probable cause

The cause may be a malfunction of the revolution detection sensor in the
power window motor.

D

Malfunction of power window motor

Replace the power window motor.

Inspection Procedure D-8

Power window: When the glass is fully raised, it then
lowers automatically.

Probable cause

The cause may be a malfunction of the revolution detection sensor in the
power window motor.

D

Malfunction of power window motor

After disconnecting the battery terminals, set the limit switch.
(Refer to GROUP 42 – DOOR.)

Check trouble symptoms.

NG

Replace the power window motor.