Page 857 of 4264
ELECTRICAL-BODY AND CHASSIS 8A-199
CIRCUIT DIAGRAM WITH INTERMITTENT RELAY (RHD)
RTW48AXF028001
Page 858 of 4264
8A-200 ELECTRICAL-BODY AND CHASSIS
CIRCUIT DIAGRAM WITHOUT INTERMITTENT RELAY (LHD)
RTW48AXF004501
Page 859 of 4264
ELECTRICAL-BODY AND CHASSIS 8A-201
CIRCUIT DIAGRAM WITH INTERMITTENT RELAY (LHD)
RTW48AXF004401
Page 860 of 4264

8A-202 ELECTRICAL-BODY AND CHASSIS
TROUBLESHOOTING
WINDSHIELD WIPER
1. Wiper dose not operate at any switch position
Checkpoint Trouble Cause Countermeasure
Reinstall or replace the fuse
No. RHD: C-9 (20A)
Poor fuse contact or blown
NG
Repair open circuit or
connector contact
1. Wiper motor function when
connecting the motor
connector 3
C-4 to the
battery (+) terminal, and 1
C-4 to the (-) terminal
(Should the wiper motor
rotate at a low speed)
2. Wiper motor function when
connecting the motor
connector 2
C-4 to the
battery (+) terminal, 1
C-4
to the (-) terminal (Should
the wiper motor rotate at a
high speed)
Voltage between 3 B-59 and
the ground (Should be battery
voltage present)
Open circuit or poor connector
contact
Replace the wiper & washer
SW.
Continuity in the wiper &
washer SW.
SW. malfunction
NG NG OK
OK
RHD:
Fuse No. C-9 (20A)
Repair grounding point
C-2
contact
Grounding point
C-2
Poor grounding point contact
NG
OK OK
Replace the wiper motor
Wiper motor malfunction
NG
Repair open circuit or
connector contact
Continuity between 1
C-4
and
C-36
Open circuit or poor connector
contact
NG OK
Page 861 of 4264

ELECTRICAL-BODY AND CHASSIS 8A-203
2. Wiper dose not operate at “ INT “ position
Checkpoint Trouble Cause Countermeasure
Replace the wiper & washer
SW.
SW. malfunction
NG
Repair grounding point contact
Grounding point
C-36
Poor grounding point contact
Repair open circuit or
connector contact
Voltage between the
intermittent relay harness side
connector terminal 4
C-3
and the ground at the “INT”
position (Should be battery
voltage present)
Open circuit or poor connector
contact
NG NG OK
OK
Continuity between the wiper
& washer SW connector
terminals 4
B-59 and 2 B-59
at the “ INT “ position
Replace the intermittent relay
Intermittent relay function
Relay malfunction
NG OK
3. Wiper does not operate at “LO” position
Replace the wiper motor
Wiper motor function
1. Disconnect the wiper &
washer SW. connector
2. Turn the starter SW. on
3. Short-circuit between the
wiper & washer SW.
harness side connector
terminals.
4.
B-59 and 5 B-59
5. Check to see if the wiper
motor rotates at a low
speed
Wiper motor malfunction
NG
Replace the wiper & washer
SW.
Wiper & washer SW. function
SW. malfunction
NG OK
Page 862 of 4264
8A-204 ELECTRICAL-BODY AND CHASSIS
4. Wiper does not operate at “HI” position
Checkpoint Trouble Cause Countermeasure
Repair open circuit or
connector contact
Open circuit or poor connector
contact
NG
Replace the wiper motor
Wiper motor function when
connecting the motor
connector 2
C-4 to the
battery (+) terminal, and 1
C-4 to the (-) terminal
(Should the wiper motor rotate
at a high speed)
Wiper motor malfunction
NG OK
Continuity between the wiper
& washer SW. connector
terminals 4
B-59 at the “HI”
position
Repair open circuit or
connector contact
Continuity between 4
B-59
and 2
C-4
Open circuit or poor connector
contact
NG OK
5. Rotation of the wiper motor does not stop
Replace the wiper & washer
SW.SW. malfunction NG
OKContinuity in the wiper &
washer SW.
Replace the wiper motorWiper motor functionWiper motor malfunction NG
Page 863 of 4264

ELECTRICAL-BODY AND CHASSIS 8A-205
6. Auto-stop function of the wiper motor does not operate
Checkpoint Trouble Cause Countermeasure
Repair open circuit or
connector contact
Open circuit or poor connector
contact
NG
Repair open circuit or
connector contact
Open circuit or poor connector
contact
NG Continuity between the
intermittent relay harness side
connector 6
C-3 and the
wiper motor harness side
connector 6
C-4
Replace the intermittent relay
Relay malfunction
NG
Intermittent relay function
Wiper motor function
1. Disconnect the wiper motor
connector
2. Connect the motor
connector 5
B-59 to the
battery (+) terminal and 1
C-4 to the (-) terminal,
and then change the
connection of the battery (+)
terminal to the connector 4
C-4 while the motor
rotating at a low speed
3. Check to see if the wiper
motor stops at the auto stop
position when connecting
the connector terminals 3
C-4 and 1 C-4 in this
condition
Continuity between the wiper
& washer SW. connector
terminals 5
B-59 and 6 B-59
at the “OFF” position
OK
Replace the wiper motor
Wiper motor malfunction
NG
Repair an open circuit or a
poor connection of the
connectors between the fuse
No. RHD: C-9 (20A) and 4
C-4
Voltage between the wiper
motor harness side connector
terminal 4
C-4 and the
ground (Should be battery
voltage present)
Open circuit or poor connector
contact
NG
OK OK
OK
Page 864 of 4264

8A-206 ELECTRICAL-BODY AND CHASSIS
WASHER
1. Washer motor does not operate
Checkpoint Trouble Cause Countermeasure
Reinstall or replace the fuse
No. RHD: C-9 (20A)
Poor fuse contact or blown
NG
Repair or an open circuit or a
poor connection of the
connectors between 2
C-17
and 1
B-59
Open circuit or poor connector
contact
NG Voltage between the washer
motor harness side connector
terminal 2
C-17 and the
ground when the washer
button is depressed (Should
be battery voltage present)
Repair grounding point
C-36
contact
Poor grounding point contact
NG
Grounding point
C-36
Replace the washer motor
Motor malfunction
NG
Washer motor function when
connecting the motor side
connector 2
C-17 to the
battery (+) terminal, and the
connector 1
C-17 to the (-)
terminal (Should the washer
motor rotate) OK
Repair open circuit or
connector contact
Open circuit or poor connector
contact
NG
Continuity between 1
C-17
and
C-36
OK
Continuity between the wiper
& washer SW. side connector
terminals 1
B-59 and 7 B-59
when the washer button is
depressed
RHD:
Fuse No. C-9 (20A)
OK
Replace the wiper & washer
SW.
SW. malfunction
NG
Repair or an open circuit or a
poor connection of the
connectors between the fuse
No. RHD: C-9 (20A) and 7
B-59
Voltage between the wiper &
washer SW. harness side
connector terminal 7
B-59
and the ground (Should be
battery voltage preset)
Open circuit or poor connector
contact
NG
OK OK OK