Inspection Procedure

1. Check the basic function of the power source mode function.

   OK: Basic function operates normally. 

NG: GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function)  (See POWER SOURCE MODE DOES NOT CHANGE  )

OK: Go to next step 

1. Remove the IGN fuse from the engine room relay block
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   IGN fuse	Always	Below 1 Ω

NG: REPLACE FUSE 

OK: Go to next step 

1. Disconnect the E29 ECU connector.
2. Measure the resistance according to the value(s) in the table below.
   Fig 1: Identifying E29 ECU Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   E29-17 (E) - Body ground	Always	Below 1 Ω

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

   Standard Voltage 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Switch Condition	Specified Condition
   E29-18 (IG) - Body ground	Engine switch on (IG)	11 to 14 V

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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