(1) Check the MOST communication line connectors of the radio receiver assembly and stereo component amplifier assembly See:
Accessories and Optional Equipment/Antitheft and Alarm Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU
Controlled Systems/Electronic Circuit Inspection Procedure.
(b) Display the "MOST Line Check" screen and check the result See: Accessories and Optional Equipment/Navigation System/Testing
and Inspection/Reading and Clearing Diagnostic Trouble Codes/Navigation System (for DVD).
Result:
HINT
When the malfunction in the MOST network is repaired, the screen cannot be changed to the "MOST Line Check" screen.
B -- END
A -- Continue to next step.
5. CHECK HARNESS AND CONNECTOR (WAKE UP SIGNAL)
(a) Disconnect the stereo component amplifier assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Text in Illustration
NG -- CHECK HARNESS AND CONNECTOR
OK -- REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY See: Accessories and Optional Equipment/Radio, Stereo,
and Compact Disc/Amplifier/Service and Repair/Removal
6. CHECK HARNESS AND CONNECTOR
(a) Disconnect the stereo component amplifier assembly connector.
(b) Disconnect the radio receiver assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
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