Inspection Procedure

1. Disconnect the C6 meter connector.
2. Measure the resistance of the wire harness side connector.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   C6-7 - Body ground	Ignition key is inserted	Below 1 Ω
   C6-7 - Body ground	Ignition key is not inserted	10 kΩ or higher

   Fig 1: Identifying C6 Combination Meter Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: Go to step  3

OK: Go to next step 

1. Disconnect the C6 meter connector.
2. Measure the resistance of the wire harness side connector.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   C6-8 - Body ground	Driver side door is open	Below 1 Ω
   C6-8 - Body ground	Driver side door is closed	10 kΩ or higher

   Fig 2: Identifying C6 Combination Meter Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: Go to step  4

OK: REPLACE COMBINATION METER ASSEMBLY 

1. Remove the unlock warning switch.
2. Measure the resistance of the switch.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   1 - 2	Driver side door is open	Below 1 Ω
   1 - 2	Driver side door is closed	10 kΩ or higher

   Fig 3: Identifying Unlock Warning Switch Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE UNLOCK WARNING SWITCH ASSEMBLY 

OK: REPAIR OR REPLACE HARNESS AND CONNECTOR (UNLOCK WARNING SWITCH CIRCUIT) 

1. Disconnect the D9 switch connector.
2. Measure the resistance of the switch.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   D9-1 - Body ground	Driver side door is open	Below 1 Ω
   D9-1 - Body ground	Driver side door is closed	10 kΩ or higher

Fig 4: Identifying D9 Front Door Courtesy Light Switch Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY 

OK: REPAIR OR REPLACE HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH CIRCUIT)