Inspection Procedure

1. Check that the wireless door lock control (see ON-VEHICLE INSPECTION  ).

OK : NORMAL 

NG: GO TO NEXT STEP 

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

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

NG : Go to step   4 

OK : Go to next step 

1. Check standard LOCK / UNLOCK switch operation.

NG : Go to step   5 

OK : REPLACE DOOR CONTROL TRANSMITTER 

1. After replacing the transmitter battery, 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 DOOR CONTROL TRANSMITTER 

OK : NORMAL 

1. Check that the room light illuminates.

   HINT:

   When the room light does not illuminate, proceed to self-diagnostic mode after repairing the room light.

NEXT 

1. Switch to self-diagnostic mode by operating the ignition switch.
   1. Make sure the vehicle is in a condition where wireless control functions can be operated, and then insert the key into the ignition key cylinder and remove it.
   2. Within 5 seconds of removing the key, insert the key into the ignition key cylinder. Then turn the ignition switch ON and OFF.
   3. Within 30 seconds of turning the ignition switch ON and OFF, perform the following 9 times: turn the ignition switch ON and OFF.

   HINT:

   • Turning the ignition switch ON after performing all of the steps above will end self-diagnostic mode.
   • Do not lock or unlock doors during self-diagnostic mode.
   NOTE: If the change to the self-diagnostic mode has failed, the system will return to normal mode.
2. Check that the system has switched to self-diagnostic mode by comparing the flash patterns of the room light to the timing chart.

   OK: The flash patterns of the room light should be the same as the patterns shown in the timing chart. 

   Fig 1: Room Light Flash Pattern Timing Chart

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG : Go to step   11 

OK : Go to next step 

1. Check the diagnosis outputs when the door control transmitter switch is held down. The diagnosis outputs can be checked by observing the flash patterns of the room light.
   Fig 2: Identifying Room Light Flashing Patterns

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Result: 

   RESULT
   
   

   Result	Proceed to
   Unmatching recognition code is output	A
   Normal waves of LOCK, UNLOCK and PANIC switches are output	B
   There are no diagnosis outputs (room light is OFF)	C

B : Go to step   17 

C : Go to step   9 

A : Go to next step 

1. Check that the system can switch to rewrite mode or add mode, and that a recognition code can be registered.

   OK: System can switch to rewrite mode or add mode, and recognition code can be registered. 

NG : Go to step   10 

OK : NORMAL (CARRY OUT INSPECTION OF FUNCTION) 

1. When a new or functioning door control transmitter switch for the same vehicle type is held down, check that an unmatching recognition code is output.

OK: Unmatching recognition code is output. 

NG : Go to step   14 

OK : REPLACE DOOR CONTROL TRANSMITTER 

1. After replacing the door control receiver, 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   17 

OK : END 

Result: 

B : Go to step   6 

A : Go to next step 

1. Measure the resistance of the switch.

Standard resistance 

NG : REPLACE UNLOCK WARNING SWITCH ASSEMBLY 

Fig 3: Inspecting Unlock Warning Switch Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to next step 

1. Disconnect the U1 switch connector.
2. Disconnect the 1E junction block connector.
3. Measure the resistance of the wire harness side connectors.

Standard resistance 

NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

Fig 4: Identifying Unlock Warning Switch (A/T, M/T) And Instrument Panel Junction Block Assembly Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to next step 

1. Disconnect the D8 receiver connector.
2. Measure the resistance of the wire harness side connector.

   Standard resistance 

   TESTER CONNECTION - SPECIFIED CONDITION (RESISTANCE)
   
   

   Tester Connection	Specified Condition
   D8-1 (GND) - Body ground	Below 1 Ω

3. Measure the voltage of the wire harness side connector.

Standard voltage 

Fig 5: Identifying D8 Receiver Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK : Go to next step 

1. Reconnect the D8 receiver connector.
2. Measure the voltage of the connector.

Standard voltage 

NG : Go to step   10 

Fig 6: Measuring Door Control Receiver Voltage

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to next step 

1. Disconnect the D8 receiver connector.
2. Disconnect the I6 relay connector.
3. Measure the resistance of the wire harness side connectors.

Standard resistance 

NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

Fig 7: Identifying Door Control Receiver And Integration Relay Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to next step 

1. After replacing the integration relay, check that the doors can be locked and unlocked by using the transmitter LOCK / UNLOCK switch.

   OK: The wireless door control system operates. 

NG : REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY 

OK : END