Mitsubishi Pajero Pinin. Manual — part 361
SWS –
Troubleshooting
54B-46
Inspection Procedure N-16
Power window main switch: Any switch signal is not sent
to the ETACS-ECU.
Probable cause
If there is a problem with communication between the power window main
switch and the ETACS-ECU, the input signal check for the power window main
switch can no longer be carried out. In addition, the power window timer function
will also stop working.
D
Malfunction of power window main switch
D
Malfunction of ETACS-ECU
D
Malfunction of harness wire or connector
Can the driver’s side power window be operated by the power
window main switch?
Yes
Check the following connectors:
<L.H. drive vehicles> C-02, C-45, C-83, E-10
<R.H. drive vehicles> C-02, C-21, C-83, E-10
OK
Check trouble symptoms.
NG
Repair
NG
Check the harness wire between power window main switch and
ETACS-ECU.
OK
Replace the power window main switch or ETACS-ECU.
No
Measure at power window main switch connector E-10.
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 5 and body earth.
OK: Continuity
(1) NG
Check the following connectors:
<L.H. drive vehicles> C-45, C-71, C-74, E-10
<R.H. drive vehicles> C-21, C-71, C-74, E-10
OK
Check trouble symptoms.
NG
Repair
NG
Check the harness wire between power window main switch and
power window relay.
OK
Replace the power window main switch.
(2) NG
Check the following connectors:
<L.H. drive vehicles> C-45, E-10
<R.H. drive vehicles> C-21, E-10
OK
Check trouble symptoms.
NG
Repair
NG
Check the harness wire between power window main switch and
body earth.
Inspection Procedure N-17
Transmitter: Any switch signal is not sent to the
ETACS-ECU.
Probable cause
The transmitter input signal is used to operate the keyless entry system. If the
signal fails, keyless entry will not work normally.
D
Malfunction of transmitter
D
Malfunction of ETACS-ECU
Has the encrypted code been registered properly?
No
Re-register the encrypted code. (Refer to GROUP 42 – Keyless
Entry System.)
Yes
Check the transmitter battery. (Refer to GROUP 42 – Keyless Entry
System.)
NG
Replace
OK
Use an other transmitter to register the secret code. (Refer to
GROUP 42 – Keyless Entry System.)
NG
Replace the ETACS-ECU.
OK
Replace the defective transmitter.
SWS –
Troubleshooting
54B-47
Inspection Procedure N-18
Multi-center display: Any switch signal is not sent to the
ETACS-ECU.
Probable cause
The cause is probably a malfunction of the multi-center display or the
ETACS-ECU.
D
Malfunction of multi-center display
D
Malfunction of ETACS-ECU
D
Malfunction of harness wire or connector.
Is the multi-center display operated normally?
No
Carry out troubleshooting for the multi-center display. (Refer to
GROUP 54A – Multi-center Display.)
OK
Replace the multi-center display or ETACS-ECU.
Yes
Check the following connectors:
C-02, C-53, C-83
NG
Repair
OK
Check trouble symptoms.
NG
Check the harness wire between multi-center display and ETACS-
ECU.
NG
Repair
Inspection Procedure O-1
Check the circuit (power supply line) from the battery to
the ETACS-ECU.
Probable cause
If that power supply circuit is defective, the circuit flowing trough the ignition
switch (IG1) will function as a back-up circuit. In this case, the following
functions will not work when the ignition switch is at LOCK (OFF) position.
D
Light reminder alarm function
D
Central door lock ing system
D
Hazard warning lamp
D
Room lamp
D
Malfunction of ETACS-ECU
D
Malfunction of harness wire or connector.
Measure at ETACS-ECU connector C-82.
D
Disconnect connector and measure at J/B side.
D
Voltage between terminal 6 and body earth.
OK: System voltage
NG
Check the following connectors:
C-72, C-82
OK
Check trouble symptoms.
NG
Repair
NG
Check the harness wire between ETACS-ECU and fusible link
(3).
OK
Replace the ETACS-ECU.
NOTES
SWS –
General/Troubleshooting
54B-1
GROUP 54B
SMART WIRING SYSTEM(SWS)
GENERAL
OUTLINE OF CHANGES
Due to the introduction of 5-door models, the troubleshooting for the rear power windows have been
added.
TROUBLESHOOTING
TROUBLE SYMPTOM CHART
Trouble symptom
Inspection
procedure
Reference
page
Power window
Rear power window sub-switches can not operate rear door
windows. (However, power window main switch can operate rear
door windows.)
D-9
54B-2
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