1.CHECK WIPER RELAY OPERATION IPDM E/R AUTO ACTIVE TEST

1. Start IPDM E/R auto active test. Refer to Diagnosis Description.
2. Check that the front wiper operates at the LO/HI operation.

CONSULT-III ACTIVE TEST

1. Select “FRONT WIPER” of IPDM E/R active test item.
2. 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

1. Turn the ignition switch OFF.
2. 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

1. Disconnect front wiper motor connector.
2. 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

1. Disconnect front wiper motor connector.
2. Turn the ignition switch ON.
3. Select “FRONT WIPER” of IPDM E/R active test item.
4. 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

1. Select “FR WIP REQ” of IPDM E/R data monitor item.
2. Switch the front wiper switch to HI and LO.
3. 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.