SWS ± Troubleshooting
54B-16
Inspection Procedure C-1
Central door locking system: Central door locking system
does not work normally.
Probable cause
The power supply circuit, the circuit shared by door lock actuators, or the
ETACS-ECU may be defective.
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 12 and body earth.
OK: System voltage
NG
Check the following connectors:
C-77, C-82
OK
Check trouble symptoms.
NG
Repair
NG
Check the harness wire between ETACS-ECU and fusible link(2).
OK
Check the following connectors:
C-68, C-75, C-82
NG
Repair
OK
Check trouble symptoms.
NG
Check the harness wire between ETACS-ECU and door lock actua-
tor.
NG
Repair
OK
Replace the ETACS-ECU.
Inspection Procedure C-2
Central door locking system: Some doors do not lock or
unlock.
Probable cause
The door lock actuator, or the harness wire between ETACS-ECU and the door
lock actuator may be defective.
D Malfunction of driver's, passenger's or back door
lock actuator
D Malfunction of ETACS-ECU
D Malfunction of harness wire or connector
Check the defective door lock actuator. (Refer to GROUP 42
± Door.)
NG
Replace the defective door lock actuator.
OK
Check the following connectors:
<Left door> C-45, C-75, C-82, E-17
<Right door> C-21, C-75, C-82, E-06
<Back door> C-68, C-82, D-15, F-08
NG
Repair
OK
Check trouble symptoms.
OK
Replace the ETACS-ECU.
Check the harness wire between ETACS-ECU and defective door
lock actuator.
Repair
NG
NG
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