Wiper switch
Components Inspection Removal / installation
WIPERS & WASHERS
WIPER SWITCH
EXPLODED VIEW
REMOVAL
1. Removal of instrument side panel LH (Refer to 
)
)2. Removal of the instrument cluster finish panel SUB-ASSY CTR (Refer to )
)3. Removal of the meter hood SUB-ASSY (Refer to )
)4. Removal of the instrument panel meter ornament UPR (Refer to )
)5. Removal of instrument panel under cover SUB-ASSY NO.1 (Refer to )
)6. Removal of instrument panel under cover SUB-ASSY NO.2 (Refer to )
)
7. Removal of the steering column cover support (when there is smart entry)
(1) Release the 4 tabs and remove the steering column cover support.
8. Removal of the steering column cover LWR
(1) Free the tilt lever.
(2) Turn the steering wheel left and right, and remove the 2 screws.
(3) Press on the steering column cover LWR from the left and right sides, release the 6 tabs, and remove the steering column cover LWR.
9. Removal of the steering column cover UPR
(1) Release the tabs and remove the steering column cover UPR.
10. Removal of the windshield wiper switch ASSY
INSTALLATION
1. Installation of the windshield wiper switch ASSY
(1) Fit in the tab and install the windshield wiper switch ASSY in the direction of the arrow in the figure.
(2) Connect each connector.
2. Installation of the steering column cover UPR
(1) Fit in the tabs and install the steering column cover UPR on the steering column ASSY.
3. Installation of the steering column cover LWR
(1) Fit in the 6 tabs and install the steering column cover LWR.
(2) Turn the steering wheel left and right, and using 2 screws, secure the steering column cover LWR.
4. Installation of the steering column cover support (when there is smart entry)
(1) Fit in the 4 tabs and install the steering column cover support.
5. Installation of the instrument panel meter ornament UPR (Refer to )
)6. Installation of the meter hood SUB-ASSY (Refer to )
)7. Installation of the instrument cluster finish panel SUB-ASSY CTR (Refer to )
)8. Installation of instrument panel under-cover SUB-ASSY NO.1 (Refer to )
)9. Installation of instrument panel under-cover SUB-ASSY NO.2 (Refer to )
)10. Installation of the instrument side panel LH (Refer to )
)ON-VEHICLE INSPECTION
1. Inspection of the windshield wiper switch ASSY (LHD model)
(1) Intermittent operation inspection (front wiper)
Captions in illustration
| *a |
Connector not connected (Windshield wiper switch ASSY) |
(a) Turn the ignition switch to ON, and turn the windshield wiper switch ASSY to INT.
(b) Inspect the voltage between terminal D58-4 (+S) and terminal D57-2 (EW) when intermittent wiper relay is operated.
NOTE:
Inspect from behind the connectors once they have been connected.
Criteria
: Shown in the figure
Captions in illustration
| *a |
Voltage between terminals D58-4 (+S) ←→ D57-2 (EW) |
*b |
FAST |
| *c |
SLOW |
*d |
1.6±1 second |
| *e |
16±6 second |
*f |
Wiper operation |
| *g |
Stop |
*h |
Start |
(2) Operation inspection (front washer)
(a) Turn the ignition switch to ON, and turn the windshield wiper switch ASSY to OFF.
(b) Using a tester, connect the tester's positive terminal to the connector's D57-1 (WF) terminal, and the tester's ground terminal to the D57-2 (EW) terminal, and inspect the voltage between the D57-1 (WF) terminal and the D57-2 (EW) terminal when the washer switch is ON and OFF.
NOTE:
Inspect from behind the connectors once they have been connected.
Criteria
: Shown in the figure
Captions in illustration
| *a |
Washer switch |
*b |
Voltage between terminals D57-1 (WF) ←→ D57-2 (EW) |
| *c |
Approx. 0.05 seconds |
*d |
Approx. 2.2 seconds |
2. Inspection of the windshield wiper switch ASSY (RHD model)
(1) Intermittent operation inspection (front wiper)
Captions in illustration
| *a |
Connector not connected (Windshield wiper switch ASSY) |
(a) Turn the ignition switch to ON, and turn the windshield wiper switch ASSY to INT.
(b) Inspect the voltage between terminal D58-4 (+S) and terminal D57-2 (EW) when intermittent wiper relay is operated.
NOTE:
Inspect from behind the connectors once they have been connected.
Criteria
: Shown in the figure
Captions in illustration
| *a |
Voltage between terminals D58-4 (+S) ←→ D57-2 (EW) |
*b |
FAST |
| *c |
SLOW |
*d |
1.6±1 second |
| *e |
16±6 second |
*f |
Wiper operation |
| *g |
Stop |
*h |
Start |
(2) Operation inspection (front washer)
(a) Turn the ignition switch to ON, and turn the windshield wiper switch ASSY to OFF.
(b) Using a tester, connect the tester's positive terminal to the connector's D57-1 (WF) terminal, and the tester's ground terminal to the D57-2 (EW) terminal, and inspect the voltage between the D57-1 (WF) terminal and the D57-2 (EW) terminal when the washer switch is ON and OFF.
NOTE:
Inspect from behind the connectors once they have been connected.
Criteria
: Shown in the figure
Captions in illustration
| *a |
Washer switch |
*b |
Voltage between terminals D57-1 (WF) ←→ D57-2 (EW) |
| *c |
Approx. 0.05 seconds |
*d |
Approx. 2.2 seconds |
UNIT INSPECTION
1. Inspection of the windshield wiper switch ASSY (LHD model)
(1) Measurement of the resistance
(a) Measure the resistance between connector terminals.
Resistance
Front wiper switch
| Inspection terminals (Terminal symbol) |
Inspection conditions (switch over) |
Standard value |
|---|---|---|
| D58-3 (+1) - D58-2 (+B) |
MIST |
Less than 1 Ω |
| D58-3 (+1) - D58-1 (+S) |
OFF |
|
| D58-3 (+1) - D58-1 (+S) |
INT |
|
| D58-3 (+1) - D58-2 (+B) |
LO |
|
| D58-4 (+2) - D58-2 (+B) |
HI |
Front washer switch
| Inspection terminals (Terminal symbol) |
Inspection conditions (switch over) |
Standard value |
|---|---|---|
| D57-3 (WF) - D57-2 (EW) |
OFF |
10 kΩ or more |
| ON |
Less than 1 Ω |
Captions in illustration
| *a |
Connector not connected (Windshield wiper switch ASSY) |
2. Inspection of the windshield wiper switch ASSY (RHD model)
(1) Measurement of the resistance
(a) Measure the resistance between connector terminals.
Resistance
Front wiper switch
| Inspection terminals (Terminal symbol) |
Inspection conditions (switch over) |
Standard value |
|---|---|---|
| 2 (+1) - 3 (+B) |
MIST |
Less than 1 Ω |
| 2 (+1) - 4 (+S) |
OFF |
Less than 1 Ω |
| 2 (+1) - 4 (+S) |
INT |
Less than 1 Ω |
| 2 (+1) - 3 (+B) |
LO |
Less than 1 Ω |
| 1 (+2) - 3 (+B) |
HI |
Less than 1 Ω |
Front washer switch
| Inspection terminals (Terminal symbol) |
Inspection conditions (switch over) |
Standard value |
|---|---|---|
| 1 (WF) - 2 (EW) |
OFF |
10 kΩ or more |
| 1 (WF) - 2 (EW) |
ON |
Less than 1 Ω |
Captions in illustration
| *a |
Connector not connected (Windshield wiper switch ASSY) |