SWS ± Troubleshooting
54B-27
Inspection Procedure G-3
Rear wiper and washer: When the shift lever <M/T> or
selector lever <A/T> is moved to R position during the rear
wiper operation, the rear wiper does not operate at the
continuous mode.
Probable cause
The ETACS-ECU operates the rear wiper consecutively twice when the shift
lever <M/T> or selector lever <A/T> is moved to R position while the rear wiper
is turned on. If the rear wiper does not work consecutively twice, the back-up
lamp switch <M/T> or the inhibitor switch (reverse) <A/T> may be defective.
D Malfunction of back-up lamp switch
D Malfunction of inhibitor switch
D Malfunction of ETACS-ECU
D Malfunction of harness wire or connector
MUT-II input signal check
D Back-up lamp switch <M/T>
D Inhibitor switch (reverse) <A/T>
NG
Check the defective input circuit. (Refer to P.54B-13, Defects Found
by Input Signal Check.)
OK
Replace the ETACS-ECU.
Inspection Procedure G-4
Rear wiper and washer: Rear washer does not work. Probable cause
The rear washer motor, the column switch or the ETACS-ECU may be defective. D Malfunction of rear washer motor
D Malfunction of column switch
D Malfunction of ETACS-ECU
D Malfunction of harness wire or connector
Is the rear wiper operated normally?
No
Check the rear wiper. (Refer to P.54B-12, Trouble Symptom Chart.)
Yes
MUT-II input signal check
D Rear washer switch
NG
Check the rear washer switch circuit. (Refer to P.54B-45, Inspection
Procedure N-14.)
OK
Check the rear washier motor. (Refer to GROUP 51 ± Rear Wiper
and Washer.)
NG
Replace
OK
Measure at rear washer motor connector A-73.
D Disconnect connector and measure at harness side.
D Continuity between terminal 1 and body earth.
OK: Continuity
NG
Check the following connector:
A-73
OK
Check trouble symptoms.
NG
Repair
NG
Check the harness wire between windshield washer motor and
body earth.
OK
Check the following connectors:
A-73, C-72, C-82
OK
Check trouble symptoms.
NG
Repair
NG
Check the harness wire between rear washer motor and ETACS-
ECU.
NG
Repair
OK
Replace the ETACS-ECU.