Inspection Procedure

1. Check that the transmitter's LED illuminates 3 times when the switch is pressed 3 times.

   OK: Transmitter's LED illuminates 3 times when switch is pressed 3 times. 

OK: Go to step   3 

NG: GO TO NEXT STEP 

1. Temporarily replace the transmitter battery with a new one (see TRANSMITTER BATTERY  ).
2. Check that the doors can be locked and unlocked by using the transmitter LOCK/UNLOCK switch.

   OK: Doors can be locked and unlocked with transmitter. 

NG: Go to step 3 

OK: END (TRANSMITTER BATTERY IS DEFECTIVE) 

1. Temporarily replace the door control transmitter with a new one.
2. Check that the doors can be locked and unlocked by using the transmitter LOCK/UNLOCK switch.

   OK: Doors can be locked and unlocked with transmitter. 

NG: Go to step 4 

OK: END (DOOR CONTROL TRANSMITTER IS DEFECTIVE) 

Fig 1: Identifying L15 ECU Connector And R37 Receiver Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the L15 ECU connector.
2. Disconnect the R37 receiver connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   CERTIFICATION ECU - DOOR CONTROL RECEIVER
   
   

   Tester Connection	Condition	Specified Condition
   L15-39 (RSSI) - R37-5 (RSSI)	Always	Below 1 Ω
   L15-38 (RDA)-R37-3 (DATA)
   L15-29 (RCO)-R37-2 (+5)
   L15-17 (E)-Body ground
   R37-6 (GND) - Body ground
   L15-39 (RSSI) or R37-5 (RSSI) - Body ground	Always	10 kΩ or higher
   L15-38 (RDA) or R37-3 (DATA) - Body ground
   L15-29 (RCO) or R37-2 (+5) - Body ground

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: GO TO NEXT STEP 

Fig 2: Identifying L15 Certification ECU Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the R37 receiver connector.
2. Measure the resistance and voltage according to the value(s) in the table below.

   Standard resistance 

   CERTIFICATION ECU RESISTANCE
   
   

   Tester Connection	Condition	Specified Condition
   L15-17 (E)-Body ground	Always	Below 1 Ω

   Standard voltage 

   CERTIFICATION ECU VOLTAGE
   
   

   Tester Connection	Switch Condition	Specified Condition
   L15-29 (RCO)-L15-17 (E)	Engine switch off, all doors closed and transmitter switch pressed	4.5 to 5.4 V
   L15-39 (RSSI)-L15-17 (E)	Engine switch off, all doors closed and transmitter switch not pressed	11 to 14 V
   	Engine switch off, all doors closed and transmitter switch pressed	Below 1 V
   L15-38 (RDA)-L15-17 (E)	Engine switch off, all doors closed and transmitter switch not pressed	Below 1 V
   	Engine switch off, all doors closed and transmitter switch pressed	Pulse generation

NG: REPLACE CERTIFICATION ECU 

OK: GO TO NEXT STEP 

Fig 3: Identifying R37 Door Control Receiver Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard resistance 

   DOOR CONTROL RECEIVER (OUTPUT) RESISTANCE
   
   

   Tester Connection	Condition	Specified Condition
   R37-6 (GND) - Body ground	Always	Below 1 Ω

   Standard voltage 

   DOOR CONTROL RECEIVER (OUTPUT) VOLAGE
   
   

   Tester Connection	Switch Condition	Specified Condition
   R37-2 (+5) - R37-6 (GND)	Engine switch off, all doors closed and transmitter switch pressed	4.5 to 5.4 V
   R37-5 (RSSI) - R37-6 (GND)	Engine switch off, all doors closed and transmitter switch not pressed	11 to 14 V
   	Engine switch off, all doors closed and transmitter switch pressed	Below 1 V
   R37-3 (DATA) - R37-6 (GND)	Engine switch off, all doors closed and transmitter switch not pressed	Below 1 V
   	Engine switch off, all doors closed and transmitter switch pressed	Pulse generation

NG: REPLACE DOOR CONTROL RECEIVER (See  REMOVAL   ) 

OK: GO TO NEXT STEP 

1. Visually inspect the entire window glass antenna wire's lines for breaks.
   Fig 4: Identifying Window Glass Antenna Wire

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Using the tester, check that the window glass antenna wire's lines do not have continuity breaks.
   Fig 5: Checking Continuity Center Of Antenna Wire

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   NOTE:

   • Wrap a piece of tin foil around the tip of the negative (-) tester probe as shown in the illustration. Press the foil against the wire's lines with your finger without damaging the wire, and inspect the wire.
     Fig 6: Wrapping Tin Foil Around Tip Of Probe

     Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   • If foreign matter on the glass needs to be cleaned, use a soft, dry cloth to wipe the glass along the wire's lines without damaging the wire.
   • Do not use standard detergents or glass cleaners.
   1. Move the tin foil wrapped probe along the wire's lines, and check for line breaks.

      OK: Based on visual inspection and tester inspection, wire line breaks are not present. 

NG: REPAIR WINDOW GLASS ANTENNA WIRE  (See WINDOW GLASS ANTENNA WIRE )

OK: GO TO NEXT STEP 

Fig 7: Identifying R37 Door Control Receiver Connector And L58 Antenna Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the R37 receiver connector.
2. Disconnect the L58 antenna connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   DOOR CONTROL RECEIVER - AMPLIFIER ANTENNA
   
   

   Tester Connection	Condition	Specified Condition
   R37-7 (ANT2) - L58-1 (ANT)	Always	Below 1 Ω
   R37-7 (ANT2) or L58-1 (ANT) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: GO TO NEXT STEP 

1. Temporarily replace the amplifier antenna with a new one (see REMOVAL ).
2. Check that the doors can be locked and unlocked by using the transmitter LOCK/UNLOCK switch.

   OK: Doors can be locked and unlocked with transmitter. 

NG: Go to step 10 

OK: END (AMPLIFIER ANTENNA IS DEFECTIVE) 

1. Temporarily replace the door control receiver with a new one (see REMOVAL  ).
2. Check that the doors can be locked and unlocked by using the transmitter LOCK/UNLOCK switch.

   OK: Doors can be locked and unlocked with transmitter. 

NG: Go to step 11 

OK: END (DOOR CONTROL RECEIVER IS DEFECTIVE) 

1. Temporarily replace the certification ECU with a new one.
2. Check that the doors can be locked and unlocked by using the transmitter LOCK/UNLOCK switch.

   OK: Doors can be locked and unlocked with transmitter. 

NG: REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK) 

OK: END (CERTIFICATION ECU IS DEFECTIVE)