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 |
Microphone Circuit between Microphone and Navigation Receiver Assembly
DESCRIPTION
The navigation receiver assembly and map light assembly (telephone microphone
assembly) are connected to each other using the microphone connection detection
signal lines. ...
Navigation Receiver Assembly Power Source Circuit
DESCRIPTION
This is the power source circuit to operate the navigation receiver assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system be ...
Other materials about Toyota 4Runner:
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a trouble code is output during the DTC check, inspect the trouble areas listed
for that code. For details of the code, refer to the "See page" below.
Power Steering System
DTC Code
D ...
IG Power Source Circuit
DESCRIPTION
The main power source is supplied to the air conditioning amplifier assembly
when the ignition switch is turned to ON. The power source is used for operating
the air conditioning amplifier assembly, servo motors, etc.
WIRING DIAGRAM
CAUTIO ...
0.0234