Satellite Radio Tuner Power Source Circuit

NAVIGATION: NAVIGATION SYSTEM (for HDD): Satellite Radio Tuner Power Source Circuit

Satellite Radio Tuner Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the satellite radio tuner.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FUSE (RR-ACC, RR MPX-B 1)
(a) Remove the RR-ACC and RR MPX-B 1 fuses from the luggage room junction block.
(b) Measure the resistance of the fuses.
Standard resistance:






NG -- REPLACE FUSE
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (SATELLITE RADIO TUNER - BATTERY AND BODY GROUND)




(a) Disconnect the R27 tuner connector.
(b) Measure the resistance of according to the value(s) in the table below.
Standard resistance:





(c) Measure the voltage of according to the value(s) in the table below.
Standard voltage:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE