SWS – TROUBLESHOOTING
54B-71
Has the automatic return function for the motorised door
mirrors been set to “Keyless driven function ON” by the
adjustment function?
SWS monitor ECU check
• Ignition switch: ON
ETACS-ECU
OK: “OK” is displayed
SWS monitor keyless entry reception check
Check using all keyless entry transmitters with which
problems were confirmed
• Keyless entry transmitter
Lock switch: ON
MUT display
Normal state
Lock
• Keyless entry transmitter
Unlock switch: Long press
MUT display
Normal state
Unlock
OK: All display normal state
Confirm the trouble symptoms
Transient problem
Use the adjustment function to set the automatic return
function for the motorised door mirrors to “Keyless driven
function ON” (see p.54B-118)
To Inspection procedure A-3 No communication with
ETACS-ECU (p.54B-28)
To Inspection procedure R-17 Various switch signals of
keyless entry transmitter not input (p.54B-109)
Replace the ETACS-ECU
Inspection procedure I-5
Motorised retractable door mirror automatic return
function (keyless driven function) does not work correctly
Probable Cause
This function is operated by determining the following input
signals in the ETACS-ECU.
• Keyless entry transmitter
If this function does not operate correctly, then there is
probably a malfunction in the input circuit system for this
signal, or a fault in the ETACS-ECU.
There is also a possibility that the function has been switched
off by the adjustment function.
• Fault in keyless entry transmitter
• Fault in ETACS-ECU
• Fault in harness or connectors
YES
OK
OK
OK
NO
NG
NG
NG