Inspection Procedure

1. Disconnect the A69 ECU connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard voltage 

   STANDARD VOLTAGE SPECIFICATION
   
   

   Tester Connection	Switch Condition	Specified Condition
   A69-12 (STSW) - Body ground	Engine switch on (IG) → cranking	Below 1 V → 8 to 14 V

   Fig 1: Identifying Electric Power Control ECU Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (PASSENGER SIDE JUNCTION BLOCK - MAIN BODY ECU) 

OK: REPLACE PASSENGER SIDE JUNCTION BLOCK (ELECTRIC POWER CONTROL ECU)