[54C] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Hong Kong spec.> - - TROUBLESHOOTING - ECU CHECKPRINT PAGE / INDEX / PRIOR / NEXT
ECU CHECK
  1. Use the MUT-II/III and the SWS monitor to check ECUs (Refer to MUT-II reference manual or MUT-III user’s manual).
  1. The following ECUs can be checked by using the MUT-II/III and the SWS monitor.
NOTE: If a malfunction is found by the "ECU check", proceed "Symptom Procedure" (Refer to ).
SWS MONITOR-COMPATIBLE ECUS AND THEIR CONDITIONS
Item No.
 ECUs to be checked
 Display on MUT-II
 Normal conditions
 ECU conditions
80
 Column switch (column-ECU)
 COLUMN ECU
 OK*1
All of the column switch, power supply, earth and interconnecting communication line are normal
83
 ETACS-ECU
 ETACS ECU
 OK
 All of the ETACS-ECU switch, power supply, earth and interconnecting communication line are normal
84
 Front-ECU
 FRONT ECU
 OK*2
All of the front-ECU, power supply, earth and interconnecting communication line are normal
85
 Power window main switch (power window module)
 P/W MODULE
 OK*2 (when the ignition switch is ON)
 All of the power window main switch, power supply, earth and interconnecting communication line are normal
86
 Sunroof motor assembly (sunroof-ECU)
 SUNROOF ECU
 OK*2
All of the sunroof motor assembly, power supply, earth and interconnecting communication line are normal
-
 Other SWS-related ECUs
 Other ECUs
 NG
 ECUs are not used

NOTE: 
  • *1 : If "NG" is displayed beside the ETACS-ECU while the ignition switch is off, "NG" is also displayed beside the column-ECU.
  • 2 : If "NG" is displayed beside the ETACS-ECU, "NG" is displayed beside the front-ECU and the power window main switch (power window module) and the sunroof assembly (sunroof-ECU).
[54C] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Hong Kong spec.> - - TROUBLESHOOTING - ECU CHECKPRINT PAGE / INDEX / PRIOR / NEXT
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