Convertible Roof Open / Close Signal Circuit

NAVIGATION SYSTEM: Convertible Roof Open / Close Signal Circuit

Convertible Roof Open / Close Signal Circuit

DESCRIPTION

This circuit detects the convertible top open/close condition and automatically switches sound characteristic to the appropriate type (between two types). Sound is momentarily muted while the convertible top is opening or closing. If an open or short occurs in this circuit, sound characteristic is not switched even though the convertible top is opened or closed.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK SYMPTOM
(a) Check if sound is momentarily muted while opening or closing the convertible top.
OK:
Sound is momentarily muted.
NG -- INSPECT CONVERTIBLE ROOF COURTESY SWITCH
OK -- REPLACE STEREO COMPONENT AMPLIFIER
2. INSPECT CONVERTIBLE ROOF COURTESY SWITCH





(a) Disconnect the convertible roof courtesy switch.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:





NG -- REPLACE CONVERTIBLE ROOF COURTESY SWITCH
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (CONVERTIBLE ROOF COURTESY SW - STEREO COMPONENT AMPLIFIER)





(a) Disconnect the stereo component amplifier connector S11 and convertible roof courtesy switch C20.





(b) Measure the resistance according to the values in the table below.
Standard resistance:





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