Inspection Procedure

1. Disconnect the position control ECU and switch assembly connectors.
2. Measure the voltage according to the value(s) in the table below.

   Standard voltage 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   P58-5 (+B) - Body ground	Always	10 to 14 V
   P59-4 (16) - Body ground	Ignition switch on	10 to 14 V
   P59-8 (SYSB) - Body ground	Always	10 to 14 V

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) 

Fig 1: Disconnecting Position Control ECU And Switch Assembly Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to next step 

1. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   P58-1 (GND) - Body ground	Always	Below 1 Ω

Fig 2: Identifying P58 Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT) 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE