Wiper System & Washer System
- CHECK WIPER RELAY OPERATION
CONSULT
- Select "FRONT WIPER" in "Active Test" mode of "IPDM E/R".
- While operating the test item, check front wiper operation.
LO
: Front wiper LO operation
HI
: Front wiper HI operation
Off
: Stop the front wiper.
Is front wiper operation normally?
YES
GO TO 5 .
NO
GO TO 2 .
- CHECK FRONT WIPER MOTOR FUSE
Check that the following IPDM E/R fuse is not blown:
Component
Location
Fuse No.
Capacity
Front wiper motor
IPDM E/R
48
30A
Is the fuse blown?
YES
Replace the blown fuse after repairing the affected circuit.
NO
GO TO 3.
- CHECK FRONT WIPER MOTOR GROUND CIRCUIT
Check front wiper motor ground circuit. Refer to Diagnosis Procedure .
Is the inspection result normal?
YES
GO TO 4 .
NO
Repair or replace harness.
- CHECK FRONT WIPER MOTOR OUTPUT VOLTAGE
- Turn the ignition switch ON.
- Select "FRONT WIPER" in "Active Test" mode of "IPDM E/R".
- With operating the test item, check voltage between IPDM E/R harness connector and ground.
Terminals
Test item
Voltage
(Approx.)
(+)
(-)
IPDM E/R
Ground
FRONT WIPER
Connector
Terminal
E18
11
Lo
Battery voltage
Off
0 V
18
Hi
Battery voltage
Off
0 V
Is the inspection result normal?
YES
Refer to Diagnosis Procedure .
YES
Refer to Diagnosis Procedure .
NO
Replace IPDM E/R. Refer to Removal and Installation .
- CHECK FRONT WIPER REQUEST SIGNAL INPUT
- Select "FR WIP REQ" in "Data Monitor" mode of "IPDM E/R".
- Switch the front wiper switch to HI and LO.
- While operating the front wiper switch, check the status of "FR WIP REQ".
Monitor item
Condition
Monitor status
FR WIP REQ
Front wiper switch
HI
Hi
LO
Low
INT
1Low
OFF
Stop
Is the inspection result normal?
YES
Replace IPDM E/R. Refer to Removal and Installation .
NO
GO TO 6 .
- CHECK COMBINATION SWITCH (WIPER AND WASHER SWITCH)
Perform the inspection of the combination switch (wiper and washer switch). Refer to Symptom Table .
Is combination switch normal?
YES
Replace BCM. Refer to Removal and Installation .
NO
Repair or replace the applicable parts.