Inspection Procedure

1. Connect the intelligent tester (with CAN VIM) to the DLC3.
2. Turn the ignition switch ON.
3. Perform the ACTIVE TEST according to the display on the tester.

   Transponder key ECU: 

   ACTIVE TEST - TRANSPONDER KEY ECU
   
   

   Item	Tester Details	Diagnostic Note
   SECURITY INDIC	Turn security indicator ON/OFF	-

NG: Go to step 2 

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

1. Disconnect the D33 ECU and E2 combination meter connectors.
2. Measure the resistance according to the value(s) in the table below.

   Resistance 

   TRANSPONDER KEY ECU ASSEMBLY - COMBINATION METER ASSEMBLY
   
   

   Tester Connection	Condition	Specified Condition
   D33-8 (IND) - E2-18 (LP)	Always	Below 1 Ω
   D33-8 (IND) - Body ground	Always	10 kΩ or higher

Fig 1: Disconnecting D33 Transponder Key ECU And E2 Combination Meter Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go To Next Step 

1. Reconnect the D33 ECU and E2 combination meter connectors.
2. Measure the voltage according to the value(s) in the table below.

   Voltage 

   TRANSPONDER KEY ECU ASSEMBLY
   
   

   Tester Connection	Condition	Specified Condition
   D33-8 (IND) - Body ground	Security indicator light comes on	10 to 14 V
   D33-8 (IND) - Body ground	Security indicator light goes off	Below 1 V

Fig 2: Inspecting Transponder Key ECU Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE TRANSPONDER KEY ECU ASSEMBLY 

OK: REPAIR OR REPLACE COMBINATION METER ASSEMBLY