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 ASSEMBLY 

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

   Standard resistance 

   TERMINALS RESISTANCE SPECIFICATION
   
   

   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

   Fig 1: Inspecting Courtesy Light Switch

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE COURTESY LIGHT SWITCH 

OK: GO TO NEXT STEP 

1. Disconnect the connectors from the stereo component amplifier assembly and courtesy light switch.
2. Measure the resistance according to the values in the table below.

   Standard resistance 

   TERMINALS RESISTANCE SPECIFICATION
   
   

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

   Fig 2: Identifying Courtesy Light Switch Connectors

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   Fig 3: Identifying Stereo Component Amplifier Assembly Connectors

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (COURTESY LIGHT SWITCH - BODY GROUND)