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Stereo Component Amplifier Power Source Circuit





NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: Stereo Component Amplifier Power Source Circuit
- Stereo Component Amplifier Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the stereo component amplifier assembly.

WIRING DIAGRAM

1. w/ "Bluetooth" Audio System





2. w/o "Bluetooth" Audio System





INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. CONFIRM MODEL

(a) Choose the model to be inspected.

Result:





B -- INSPECT STEREO COMPONENT AMPLIFIER ASSEMBLY
A -- Continue to next step.

2. INSPECT STEREO COMPONENT AMPLIFIER ASSEMBLY

(a) Disconnect the L30 stereo component amplifier assembly connector.





(b) Disconnect the L31 stereo component amplifier assembly connector.





(c) Disconnect the L32 stereo component amplifier assembly connector.





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

Standard Resistance:





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

Standard Voltage:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table

3. INSPECT STEREO COMPONENT AMPLIFIER ASSEMBLY

(a) Disconnect the L107 stereo component amplifier assembly connector.





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

Standard Resistance:





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

Standard Voltage:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

4. INSPECT STEREO COMPONENT AMPLIFIER ASSEMBLY

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





Standard Voltage:





Text in Illustration





NG -- CHECK HARNESS AND CONNECTOR

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table

5. CHECK HARNESS AND CONNECTOR

(a) Disconnect the L34 navigation receiver assembly connector.





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





Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE NAVIGATION RECEIVER ASSEMBLY Removal