Speaker Circuit
AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM (w/ Navigation System for HDD): Speaker Circuit
- Speaker Circuit
DESCRIPTION
The stereo component amplifier sends sound signals to the speakers.
WIRING DIAGRAM
INSEPCTION PROCEDURE
PROCEDURE
1. CHECK SPEAKER
Result
B -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table
A -- Continue to next step.
2. CHECK SPEAKER
Result
E -- CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - REAR NO. 2 SPEAKER ASSEMBLY)
D -- CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - REAR NO. 1 SPEAKER)
C -- CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - STEREO COMPONENT SPEAKER)
B -- CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - FRONT NO. 2 SPEAKER)
A -- Continue to next step.
3. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
(a) Check that malfunction disappears when the speaker is replaced with a normal one.
OK:
Malfunction disappears.
HINT
* Connect all connectors to speakers.
* If the right front or left front speaker is suspected to be malfunctioning, inspect by interchanging the right front and left front speaker.
NG -- REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Service and Repair
OK -- END
4. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - FRONT NO. 2 SPEAKER)
(a) Disconnect the stereo component amplifier connector.
(b) Disconnect the front No. 2 speaker LH or RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
5. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY
(a) Disconnect the front No. 2 speaker LH or RH connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Text in Illustration
NG -- REPLACE FRONT NO. 2 SPEAKER ASSEMBLY
OK -- REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Service and Repair
6. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - STEREO COMPONENT SPEAKER)
(a) Disconnect the stereo component amplifier connector.
(b) Disconnect the stereo component speaker LH or RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
7. INSPECT STEREO COMPONENT SPEAKER ASSEMBLY
(a) Disconnect the stereo component speaker LH or RH connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Text in Illustration
NG -- REPLACE STEREO COMPONENT SPEAKER ASSEMBLY
OK -- REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Service and Repair
8. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - REAR NO. 1 SPEAKER)
(a) Disconnect the stereo component amplifier connector.
(b) Disconnect the rear No. 1 speaker LH or RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
9. INSPECT REAR NO. 1 SPEAKER ASSEMBLY
(a) Disconnect the rear No. 1 speaker LH or RH connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Text in Illustration
NG -- REPLACE REAR NO. 1 SPEAKER ASSEMBLY Removal
OK -- REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Service and Repair
10. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - REAR NO. 2 SPEAKER ASSEMBLY)
(a) Disconnect the stereo component amplifier connector.
(b) Disconnect the rear No. 2 speaker connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
11. INSPECT REAR NO. 2 SPEAKER ASSEMBLY
(a) Disconnect the rear No. 2 speaker connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Text in Illustration
NG -- REPLACE REAR NO. 2 SPEAKER ASSEMBLY
OK -- REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Service and Repair