Inspection Procedure

1. Check that the wireless door lock and unlock functions operate normally.

   OK: Wireless door lock functions operate normally. 

NG:  GO TO WIRELESS DOOR LOCK CONTROL SYSTEM 

OK: GO TO Next Step 

1. After replacing the key with a normally functioning one, check that the wireless lock and unlock functions operate normally.

   OK: Wireless lock and unlock functions operate normally. 

OK: END (KEY IS DEFECTIVE) 

NG: GO TO Next Step 

1. Select the ACTIVE TEST, use the intelligent tester to generate a control command, and then check that the antenna operates.

   Certification ECU: 

   CERTIFICATION ECU REFERENCE CHART
   
   

   Item	Test Details
   FR TRANSMITTER	Indoor electrical key antenna (for front) ON / OFF
   RR TRANSMITTER	Indoor electrical key antenna (for rear) ON / OFF
   IN-BDR TRANSMITTER	Indoor electrical key antenna (for luggage) ON / OFF

   OK: When key is brought close to indoor electrical key antenna, antenna is turned OFF and indicator on key illuminates. 

OK: REPLACE CERTIFICATION ECU 

NG: GO TO Next Step 

1. Disconnect the U35, V32 and V33 antenna connectors.
2. Disconnect the U28 ECU connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION REFERENCE CHART
   
   

   Tester Connection	Specified Condition
   U35-1 (CLG3) - U28-11 (CLG5)*1	Below 1 Ω
   U35-1 (CLG3) or U28-11 (CLG5)*1 -Body ground	10 kΩ or higher
   V32-1 (CLG4) - U28-13 (CLG6)*2	Below 1 Ω
   V32-1 (CLG4) or U28-13 (CLG6)*2 -Body ground	10 kΩ or higher
   V33-1 (CLG6) - U28-15 (CLG7)*3	Below 1 Ω
   V33-1 (CLG6) or U28-15 (CLG7)*3 -Body ground	10 kΩ or higher
   U35-3 (CLGB) - U28-12 (CG5B)*1	Below 1 Ω
   U35-3 (CLGB) or U28-12 (CG5B)*1 -Body ground	10 kΩ or higher
   V32-3 (CLGB) - U28-14 (CG6B)*2	Below 1 Ω
   V32-3 (CLGB) or U28-14 (CG6B)*2 -Body ground	10 kΩ or higher
   V33-3 (CLGB) - U28-16 (CG7B)*3	Below 1 Ω
   V33-3 (CLGB) or U28-16 (CG7B)*3 -Body ground	10 kΩ or higher

Fig 1: Identifying U35, V32 And V33 Antenna And U28 ECU Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: GO TO Next Step 

1. Carry the key into the vehicle.
2. Replace the indoor electrical key antenna with a new one.
3. Depress the brake pedal and check that the power switch indicator illuminates in green.

   OK: Power switch indicator illuminates in green. 

OK: END (INDOOR ELECTRICAL KEY ANTENNA IS DEFECTIVE) 

NG: REPLACE CERTIFICATION ECU