Inspection Procedure

1. Check if sound is momentarily muted while opening or closing the convertible top.

   OK: Sound is momentarily muted. 

NG: Go to step 2 

OK: REPLACE STEREO COMPONENT AMPLIFIER 

Fig 1: Inspecting Convertible Roof Courtesy Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the convertible roof courtesy switch.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   1 - 2	ON (Shaft is not pressed)	Below 1 Ω
   1 - 2	OFF (Shaft is pressed)	10 kΩ or higher

NG: REPLACE CONVERTIBLE ROOF COURTESY SWITCH 

OK: Go to next step 

Fig 2: Checking Harness And Connector (Convertible Roof Courtesy SW - Stereo Component Amplifier)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the stereo component amplifier connector S11 and convertible roof courtesy switch C20.
   Fig 3: Identifying Convertible Roof Courtesy Switch Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the values in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   TSSW - C20-1	Always	Below 1 Ω
   TSSW - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (CONVERTIBLE ROOF COURTESY SWITCH BODY GROUND)