Rain Sensor Circuit: Procedure

1. Disconnect the R7 rain sensor connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Measure the voltage according to the value(s) in the table below.

   Standard voltage

   Tester Connection	Condition	Specified Condition
   R7-1 (SIG) - R7-3 (ES)	Engine switch on (IG)	10 to 14 V
   	Engine switch off	Below 1 V

NG → PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

OK → See step   2 

1. Disconnect the R5 overhead J/B connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Measure the voltage according to the value(s) in the table below.

   Standard voltage

   Tester Connection	Condition	Specified Condition
   R5-21 (IG) - R5-40 (GND2)	Engine switch on (IG)	10 to 14 V
   	Engine switch off	Below 1 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (OVERHEAD J/B - BATTERY) 

OK → REPAIR OR REPLACE HARNESS OR CONNECTOR (RAIN SENSOR - OVERHEAD J/B)