| Last Modified: 11-27-2007 | 1.6 J | |
| Service Category: Audio/Visual/Telematics | Section: Audio/Video | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM0000012CJ029X |
| Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: DESCRIPTION (2008 LX570) | ||
|
Stereo Component Amplifier Power Source Circuit |
DESCRIPTION
This circuit provides power to the stereo component amplifier.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
INSPECT FUSE (ACC, AMP) |
(a) Disconnect the ACC fuse from the main body ECU.
(b) Disconnect the AMP fuse from the engine room relay block.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
ACC fuse |
Always |
Below 1 Ω |
|
AMP fuse |
Always |
Below 1 Ω |
|
|
2. |
CHECK HARNESS AND CONNECTOR (AMPLIFIER - BATTERY AND BODY GROUND) |
|
(a) Disconnect the F18 and F2 amplifier connectors. |
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F2-2 (GND) - Body ground |
Always |
Below 1 Ω |
|
F2-6 (GND2) - Body ground |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
F2-1 (+B) - Body ground |
Always |
11 to 14 V |
|
F2-3 (+B2)* - Body ground |
||
|
F18-12 (ACC) - Body ground |
Engine switch on (ACC) |
11 to 14 V |
*: for DVD Changer Models
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