Inspection Procedure

Fig 1: Inspecting Front Door Courtesy Light Switch Assembly

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1. Remove the driver side front door courtesy light switch.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   1 - Switch body	Switch pushed	10 kΩ or higher
   1 - Switch body	Switch free	Below 1 Ω

NG: REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY 

OK : Go to Next Step. 

1. Install the driver side front door courtesy light switch.
2. Disconnect the T10 ECU connector.
   Fig 2: Identifying T10 ECU Connector

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3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   T10-7 (CTY) - Body ground	Courtesy switch pushed	10 kΩ or higher
   T10-7 (CTY) - Body ground	Courtesy switch free	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK : PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE