Front Passenger Side Door Entry Lock and Unlock Functions do not Operate: Procedure

1. Check that the manual door lock and unlock function operates normally.

   OK

   Manual door lock and unlock function operates normally.

NG → GO TO POWER DOOR LOCK CONTROL SYSTEM 

OK: Go to next step 

1. Check the DATA LIST for proper functioning of the door lock position switch.
   MULTIPLEX NETWORK DOOR ECU FRONT RH:
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Door Unlock Detection Switch	Door unlock detection switch / ON or OFF	ON: Door is unlocked OFF: Door is locked	-

   OK

   On the Techstream screen, the display changes between ON and OFF as shown in the chart above.

NG → GO TO POWER DOOR LOCK CONTROL SYSTEM (Proceed to Only Passenger Door LOCK / UNLOCK Functions do not Operate) 

OK: Go to next step 

1. Select the ACTIVE TEST, use the Techstream to generate a control command, and then check that the oscillator operates.
   CERTIFICATION ECU:
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   P-Seat Outside Transmitter	Front passenger side oscillator	ON / OFF	-

   OK

   When key is brought close to door oscillator that is OFF, indicator light on key illuminates.

OK → REPLACE CERTIFICATION ECU 

NG: Go to next step 

Fig 1: Identifying U28 ECU And p2 Oscillator Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the U28 ECU connector.
2. Disconnect the p2 oscillator connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance

   Tester Connection	Specified Condition
   U28-35 (CLG2) - p2-10 (CLG)	Below 1 Ω
   U28-36 (CG2B) - p2-5 (CLGB)	Below 1 Ω
   U28-35 (CLG2) or p2-10 (CLG) - Body ground	10 kΩ or higher
   U28-36 (CG2B) or p2-5 (CLGB) - Body ground	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

Fig 2: Identifying p1 And p2 Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the p2 oscillator connector.
2. Disconnect the p1 antenna connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance

   Tester Connection	Specified Condition
   p2-2 (SGT) - p1-6 (SGT2)	Below 1 Ω
   p2-3 (ANT1) - p1-5 (ANT1)	Below 1 Ω
   p2-8 (ANT2) - p1-2 (ANT2)	Below 1 Ω
   p2-9 (TRG-) - p1-1 (TRG-)	Below 1 Ω
   p2-2 (SGT) or p1-6 (SGT2) - Body ground	10 kΩ or higher
   p2-3 (ANT1) or p1-5 (ANT1) - Body ground	10 kΩ or higher
   p2-8 (ANT2) or p1-2 (ANT2) - Body ground	10 kΩ or higher
   p2-9 (TRG-) or p1-1 (TRG-) - Body ground	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

Fig 3: Identifying p2 Oscillator And M3 ECU Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the p2 oscillator connector.
2. Disconnect the M3 ECU connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance

   Tester Connection	Specified Condition
   p2-1 (+B) - M3-7 (OSCB)	Below 1 Ω
   p2-7 (GND) - M3-20 (OSCE)	Below 1 Ω
   p2-1 (+B) or M3-7 (OSCB) - Body ground	10 kΩ or higher
   p2-7 (GND) or M3-20 (OSCE) - Body ground	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

Fig 4: Identifying p1 Antenna And M3 ECU Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the p1 antenna connector.
2. Disconnect the M3 ECU connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance

   Tester Connection	Specified Condition
   p1-3 (TRG+) - M3-18 (TRG+)	Below 1 Ω
   p1-3 (TRG+) or M3-18 (TRG+) - Body ground	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. After replacing the electrical key antenna front RH with a normal one, check that the entry lock and unlock functions operate normally.

   OK

   Entry lock and unlock functions operate normally.

OK → END (ELECTRICAL KEY ANTENNA FRONT RH IS DEFECTIVE) 

NG: Go to next step 

1. After replacing the door electrical key oscillator front RH with a normal one, check that the entry lock and unlock functions operate normally.

   OK

   Entry lock and unlock functions operate normally.

NG → REPLACE CERTIFICATION ECU 

OK → END (DOOR ELECTRICAL KEY OSCILLATOR FRONT RH IS DEFECTIVE)