Inspection Procedure

1. When the master switch assembly door control switch is operated, check that the locked doors unlock.

   OK: Door locks operate normally. 

NG: GO TO POWER DOOR LOCK CONTROL SYSTEM  (See PROBLEM SYMPTOMS TABLE )

OK: Go to next step 

1. Using the Techstream, read the Data List.

   Smart Access 

   DIAGNOSTIC NOTE NORMAL CONDITION CHART
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   P-Door Trigger Switch	Front passenger side door outside handle lock switch / ON or OFF	ON: Entry lock switch pushed OFF: Entry lock switch not pushed	-

   OK: On Techstream screen, item changes between ON and OFF according to above chart. 

NG: Go to step 3 

OK: REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)  (See REMOVAL  )

1. Disconnect the z22 oscillator connector.
2. Disconnect the z21 handle connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   z22-9 (TRG-) - z21-1 (TRG-)	Always	Below 1 Ω
   z22-9 (TRG-) - Body ground	Always	10 kΩ or higher

   Fig 1: Identifying z22 Oscillator Connector And z21 Handle Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the E29 ECU connector.
2. Disconnect the z21 handle connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   E29-4 (TSW2) - z21-3 (TRG+)	Always	Below 1 Ω
   E29-4 (TSW2) - Body ground	Always	10 kΩ or higher

   Fig 2: Identifying E29 ECU Connector And z21 Handle Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

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

   Standard Resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Switch Condition	Specified Condition
   z21-1 (TRG-) - z21-3 (TRG+)	Lock switch not pushed	10 kΩ or higher
   	Lock switch pushed	Below 1 Ω

   Fig 3: Identifying z21 Front Door Outside Handle Connector (Front Passenger Side)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE FRONT DOOR OUTSIDE HANDLE  (See DISASSEMBLY )

OK: Go to next step 

1. Replace the door electrical key oscillator (See DISASSEMBLY ).

1. Check that the entry function operates normally

   OK: Operates normally. 

NG: REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)  (See REMOVAL  )

OK: END (DOOR ELECTRICAL OSCILLATOR IS DEFECTIVE)