Theft Deterrent System Rear Door Courtesy Switch Lh Circuit

Vehicle Interior. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

Theft Deterrent Keyless Entry. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

INSPECTION PROCEDURE

INSPECT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LH

CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH LH - THEFT WARNING ECU)

THEFT DETERRENT SYSTEM - Rear Door Courtesy Switch LH Circuit

DESCRIPTION

The theft warning ECU assembly detects the condition of the rear door courtesy light switch assembly LH.

WIRING DIAGRAM

Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Theft Deterrent Keyless Entry.Engine Immobiliser System.Theft Deterrent System Rear Door Courtesy Switch Lh Circuit

INSPECTION PROCEDURE

1.INSPECT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LH

Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Theft Deterrent Keyless Entry.Engine Immobiliser System.Theft Deterrent System Rear Door Courtesy Switch Lh Circuit

Remove the rear door courtesy light switch assembly LH (HILUX_TGN26 RM000003YNE015X.html).

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

NG

REPLACE REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LH (HILUX_TGN26 RM000003YNE015X.html)

OK

2.CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH LH - THEFT WARNING ECU)

Disconnect the K12 rear door courtesy light switch assembly LH connector.

Disconnect the G29 theft warning ECU assembly connector.

Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
K12-1 - G29-7 (CTY)
Always
Below 1 Ω
K12-1 or G29-7 (CTY) - Body ground
Always
10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (HILUX_TGN26 RM000001J8N01BX.html)