Inspection Procedure

1. Check whether the wireless door lock functions operate by operating the transmitter switch.

   HINT:

   When the wireless door LOCK / UNLOCK operation can be performed, it means that the wireless signal from the transmitter is properly input to the door control relay. Door Control Relay Assembly

NG : Go to  ONLY WIRELESS CONTROL FUNCTION DOES NOT OPERATE  

OK : Go to Next Step 

1. Check that the hazard warning lights blink when the hazard warning signal switch is pressed.

NG : Go to  LIGHTING SYSTEM 

OK : Go to Next Step 

1. Disconnect the 1H junction block connector.
2. Disconnect the D4 relay connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   Fig 1: Identifying 1H Junction And D4 Relay Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   1H-1 -D4-15 (HAZ)	Below 1 Ω

NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK : Go to Next Step 

1. Disconnect the 1H and 1P junction block connectors.
2. Measure the resistance of the junction block terminals.

   Standard resistance 

   Fig 2: Identifying 1H And 1P Junction Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   1H-1 - 1P-9	Below 1 Ω

NG : REPLACE INSTRUMENT PANEL JUNCTION BLOCK 

OK : REPLACE DOOR CONTROL RELAY ASSEMBLY