Only Front Wiper Low Does Not Operate

With CONSULT-II 

1. Select "IPDM E/R" with CONSULT-II, and select "ACTIVE TEST" on "SELECT DIAG MODE" screen.
2. Select "FRONT WIPER" on "SELECT TEST ITEM" screen.
3. Select "LO" on "ACTIVE TEST" screen.
4. Confirm front wiper low operation.

Without CONSULT-II 

1. Turn on front wipers using auto active test. Refer to "AUTO ACTIVE TEST ".
2. Confirm front wiper low operation.

Fig 1: Identifying CONSULT II Display - ACTIVE TEST

OK or NG 

OK: GO TO  4.

NG: GO TO 2.

With CONSULT-II 

Select "LO" on "ACTIVE TEST" screen.

Without CONSULT-II 

Turn on front wipers using the auto active test. Refer to "AUTO ACTIVE TEST ".

Fig 2: Identifying CONSULT II Display - ACTIVE TEST

When front wiper relay is operating, check voltage between IPDM E/R connector and ground.

Fig 3: Checking Voltage Between IPDM E/ R Terminal 32 And Ground

OK or NG 

OK: GO TO 3.

NG: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".

1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and front wiper motor connector.
3. Check continuity between IPDM E/R connector and front wiper motor connector.
   TERMINAL CONTINUITY CHART
   
   

   IPDM E/R		Front wiper motor		Continuity
   Connector	Terminal	Connector	Terminal
   E121	32	E23	1	Yes

   Fig 4: Checking Continuity Between IPDM E/R Connector Terminal 32 And Front Wiper Motor Connector Terminal 1

   

OK or NG 

OK: Replace the wiper motor. Refer to "WIPER MOTOR AND LINKAGE ".

NG: Repair or replace harness.

Select "BCM" on CONSULT-II. With "WIPER" data monitor, check that "FR WIPER LO" turns ON-OFF according to operation of wiper switch.

Fig 5: Identifying CONSULT II Display - DATA MONITOR

OK or NG 

OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

NG: Replace wiper switch. Refer to "WIPER AND WASHER SWITCH ".