Inspection Procedure

1. Disconnect the E13 ECU connector.
2. Disconnect the oscillator connectors.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance: 

   Console 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection (Symbols)	Condition	Specified Condition
   E13-12 (CG5B) - E24-3 (CLGB)	Always	Below 1 Ω
   E13-11 (CLG5) - E24-1 (CLG3)	Always	Below 1 Ω
   E13-12 (CG5B) - Body ground	Always	10 kΩ or higher
   E13-11 (CLG5) - Body ground	Always	10 kΩ or higher

   Rear Seat 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection (Symbols)	Condition	Specified Condition
   E13-14 (CG6B) - L9-3 (CLGB)	Always	Below 1 Ω
   E13-13 (CLG6) - L9-1 (CLG4)	Always	Below 1 Ω
   E13-14 (CG6B) - Body ground	Always	10 kΩ or higher
   E13-13 (CLG6) - Body ground	Always	10 kΩ or higher

Fig 1: Checking Harness And Connector (Certification ECU - Electrical Key Oscillator)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to Next Step 

1. Replace the electrical key oscillator.
2. Check that the entry LOCK/UNLOCK function operates normally.

   OK: Entry LOCK/UNLOCK function operates normally. 

OK: END (ELECTRICAL KEY OSCILLATOR IS DEFECTIVE) 

NG: Go to Next Step 

1. Reconnect the oscillator and the ECU connectors.
2. Connect the intelligent tester to the DLC3.
3. Turn the engine switch on (IG).
4. Following the display on the tester, select the "ACTIVE TEST".

   SMART ACCESS (Certification ECU): 

   ACTIVE TEST CHART
   
   

   Item	Vehicle Condition/Test Details
   FR TRANSMITTER	Electrical key oscillator (console) ON/OFF
   RR TRANSMITTER	Electrical key oscillator (rear seat) ON/OFF

5. Measure the frequency according to the value(s) in the table below.

   Standard: 

   Console 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection (Symbols)	Condition	Specified Condition
   E13-12 (CG5B) - E13-11 (CLG5)	During ACTIVE TEST	Frequency is generated (higher than 0 Hz)

   Fig 2: Identifying Certification ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Rear Seat 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection (Symbols)	Condition	Specified Condition
   E13-14 (CG6B) - E13-13 (CLG6)	During ACTIVE TEST	Frequency is generated (higher than 0 Hz)

NG: REPLACE CERTIFICATION ECU 

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