Operation CHARM: Car repair manuals for everyone.

Navigation System (w/o USB Audio System)





NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (w/o USB Audio System): TERMINALS OF ECU

1. CHECK NAVIGATION RECEIVER ASSEMBLY





(a) Disconnect the I26 navigation receiver assembly connector.

(b) Measure the resistance and voltage according to the value(s) in the table below.





* If the result is not as specified, there may be a malfunction on the wire harness side.

(c) Reconnect the I26 navigation receiver assembly connector.

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









* If the result is not as specified, the receiver may have a malfunction.

(e) Using an oscilloscope, check waveform 1.





Measurement Condition





(f) Using an oscilloscope, check waveform 2.





Measurement Condition





2. CHECK STEREO COMPONENT AMPLIFIER ASSEMBLY Pinout Values and Diagnostic Parameters