Speed Signal Circuit: Procedure

1. The circuit that sends vehicle speed signals to this system are inspected in the meter system. Refer to Speed Signal Circuit .
2. During the inspection, if there is an instruction that indicates to go back to the inspections for each system, proceed to the step below.

NEXT: Go to next step 

1. Disconnect the E11 windshield wiper relay assembly (auto wiper relay) connector and E20 combination meter connector.
   Fig 1: Identifying Terminals Of E11 Windshield Wiper Relay Assembly Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   E11-19 (SPD) - E20-12 (+S)	Always	Below 1 Ω

NG → See step   3 

OK → See step   4 

1. Disconnect the 4J junction block No. 4 connector.
2. Measure the resistance according to the value(s) in the table below.
   Fig 2: Identifying 4J Junction Block No. 4 Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard resistance

   Tester Connection	Condition	Specified Condition
   4J-7 - E11-19 (SPD)	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (WIPER RELAY - JUNCTION BLOCK NO. 4) 

OK → REPAIR OR REPLACE HARNESS OR CONNECTOR (JUNCTION BLOCK NO. 4)