Toyota 4Runner: Stereo Component Amplifier Power Source Circuit
DESCRIPTION
This circuit provides power to the stereo component amplifier assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BATTERY AND BODY GROUND) |
|
(a) Disconnect the N11 and N14 stereo component amplifier assembly connectors. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
N14-2 (GND) - Body ground |
Always |
Below 1 Ω |
|
N14-6 (GND2) - Body ground |
Always |
Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
N14-1 (+B) - N14-2 (GND) |
Always |
11 to 14 V |
|
N14-3 (+B2) - N14-2 (GND) |
Always |
11 to 14 V |
|
N11-12 (ACC) - N14-2 (GND) |
Ignition switch ACC |
11 to 14 V |
|
*a |
Front view of wire harness connector (to Stereo Component Amplifier Assembly) |
| OK | .gif) |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS AND CONNECTOR |
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