1.CHECK WIPER RELAY OPERATION
IPDM E/R AUTO ACTIVE TEST
Start IPDM E/R auto active test. Refer to
Diagnosis Description
.
Check that the front wiper operates at the LO/HI operation.
CONSULT-III ACTIVE TEST
Select “FRONT WIPER” of IPDM E/R active test item.
With operating the test item, check that front wiper LO/HI operation and OFF.
Lo
: Front wiper LO operation
Hi
: Front wiper HI operation
Off
: Stop the front wiper.
Does the front wiper operate?
YES
>>
GO TO 5.
NO
>>
GO TO 2.
2.CHECK FRONT WIPER MOTOR FUSE
Turn the ignition switch OFF.
Check that the front wiper motor 30 A (#60) fuse is not fusing.
Is the fuse fusing?
YES
>>
Replace the fuse after repairing the applicable circuit.
NO
>>
GO TO 3.
3.CHECK FRONT WIPER MOTOR (GND) OPEN CIRCUIT
Disconnect front wiper motor connector.
Check continuity between front wiper motor harness connector and ground.
Front wiper motor
Ground
Continuity
Connector
Terminal
E42
2
Existed
Does continuity exist?
YES
>>
GO TO 4.
NO
>>
Repair the harness or connector.
4.CHECK FRONT WIPER MOTOR OUTPUT VOLTAGE
CONSULT-III ACTIVE TEST
Disconnect front wiper motor connector.
Turn the ignition switch ON.
Select “FRONT WIPER” of IPDM E/R active test item.
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
E5
4
Lo
Battery voltage
Off
0 V
5
Hi
Battery voltage
Off
0 V
Is the measurement normal?
YES
>>
Replace front wiper motor.
NO
>>
Replace IPDM E/R.
5.CHECK FRONT WIPER REQUEST SIGNAL INPUT
CONSULT-III DATA MONITOR
Select “FR WIP REQ” of IPDM E/R data monitor item.
Switch the front wiper switch to HI and LO.
With operating the front wiper switch, check the monitor status.
Monitor item
Condition
Monitor status
FR WIPER REQ
Front wiper switch HI
ON
Hi
OFF
Stop
Front wiper switch LO
ON
Low
OFF
Stop
Is the status of item normal?
YES
>>
Replace IPDM E/R.
NO
>>
GO TO 6.
6.CHECK COMBINATION SWITCH
Perform the inspection of the combination switch. Refer to
Symptom Table
.
Is combination switch normal?
YES
>>
Replace BCM. Refer to
Exploded View
.
NO
>>
Repair or replace the applicable parts.