Mitsubishi Pajero Pinin 1999 Workshop Manual page 873

54B-38
Inspection Procedure N-2
Ignition switch (IG1) signal is not sent to the ETACS-ECU.
The ignition switch (IG1) input signal is used to operate the following devices. If
the signal fails, these devices will not work normally.
Light reminder alarm function
Power window timer function <vehicles with power window>
Headlamp auto-cut function
Turn-signal lamp
Room lamp dimming function
Measure at ETACS-ECU connector C-82.
Disconnect connector and measure at J/B side.
Turn the ignition switch to ON position.
Voltage between terminal 16 and body earth.
OK: System voltage
Replace the ETACS-ECU.
Inspection Procedure N-3
Key reminder switch signal is not sent to the ETACS-ECU.
The key reminder switch input signal is used to operate the following devices. If
the signal fails, these devices will not work normally.
Forgotten key prevention function <Vehicles with keyless entry system>
Keyless entry system <Vehicles with keyless entry system>
Room lamp dimming function
Check the key reminder switch. (Refer to GROUP 54A ± Ignition
Switch and Immobilizer System.)
Measure at key reminder switch connector C-62.
Disconnect connector and measure at harness side.
Continuity between terminal 4 and body earth.
OK: Continuity
Check the following connectors:
C-62, C-83
OK
Check trouble symptoms.
NG
Check the harness wire between key reminder switch and ETACS-
ECU.
Replace the ETACS-ECU.
SWS ±
OK
OK
OK
NG
Repair
OK
Troubleshooting
Probable cause
Malfunction of ETACS-ECU
Malfunction of harness wire or connector
NG
Check the following connectors:
C-72, C-82
OK
Check trouble symptoms.
NG
Check the harness wire between ETACS-ECU and ignition switch
(IG1).
Probable cause
Malfunction of key reminder switch
Malfunction of ETACS-ECU
Malfunction of harness wire or connector
NG
Replace
NG
Check the following connectors:
C-01, C-62
OK
Check trouble symptoms.
NG
Check the harness wire between key reminder switch and body
earth.
NG
Repair
NG
Repair
NG
Repair