Theft Deterrent System Driver Side Door Courtesy Switch Circuit

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK COMBINATION METER ASSEMBLY

CHECK HARNESS AND CONNECTOR (COMBINATION METER - THEFT WARNING ECU)

INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (FOR DRIVER SIDE)

CHECK HARNESS AND CONNECTOR (COMBINATION METER - FRONT DOOR COURTESY LIGHT SWITCH [FOR DRIVER SIDE])

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

1. When the driver side door is opened/closed, check that the indicator in the combination meter assembly operates normally.
   

   OK:

   Indicator operates normally.
   

1. Disconnect the C27 combination meter assembly connector.
   

2. Disconnect the T36 theft warning ECU assembly connector.
   

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

   Standard Resistance:

   Tester Connection	Condition	Specified Condition
   C27-17 - T36-7 (CTY)	Always	Below 1 Ω
   C27-17 or T36-7 (CTY) - Body ground	Always	10 kΩ or higher

4. Measure the voltage according to the value(s) in the table below.
   

   Standard Voltage:

   Tester Connection	Condition	Specified Condition
   C27-17 - Body ground	Always	11 to 14 V

1. Remove the front door courtesy light switch assembly (for Driver Side) (Toyota Fortuner RM00000113X002X.html)
   

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   1 - Body ground	Not pushed (ON)	Below 1 Ω
   	Pushed (OFF)	10 kΩ or higher

   Text in Illustration

   *a	Not pushed (ON)
   *b	Pushed (OFF)
   *c	Body ground

1. Disconnect the C27 combination meter assembly connector.
   

2. Disconnect the D4 front door courtesy light switch assembly (for Driver Side) connector.
   

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

   Standard Resistance:

   Tester Connection	Condition	Specified Condition
   C27-16 - D4-1	Always	Below 1 Ω
   C27-16 or D4-1 - Body ground	Always	10 kΩ or higher