| Last Modified: 11-27-2007 | 1.6 J | |
| Service Category: Audio/Visual/Telematics | Section: Navigation/Multi Info Display | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000002TSL003X |
| Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: DESCRIPTION (2008 LX570) | ||
|
Display and Navigation Assembly Power Source Circuit |
DESCRIPTION
This is the power source circuit to operate the display and navigation module display.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
INSPECT FUSE (ACC, ECU-IG No. 1, TV) |
(a) Remove the ACC and ECU-IG No. 1 fuses from the cowl side junction block LH.
(b) Remove the TV fuse from the cowl side junction block RH.
(c) Measure the resistance of according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
ACC fuse |
Always |
Below 1 Ω |
|
ECU-IG No. 1 fuse |
Always |
Below 1 Ω |
|
TV fuse |
Always |
Below 1 Ω |
|
|
2. |
CHECK HARNESS AND CONNECTOR (DISPLAY AND NAVIGATION MODULE DISPLAY - BATTERY AND BODY GROUND) |
|
(a) Disconnect the F28 display connector. |
(b) Measure the resistance of according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F28-10 (GND1) - Body ground |
Always |
Below 1 Ω |
(c) Measure the voltage of according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F28-1 (+B1) - F28-10 (GND1) |
Always |
11 to 14 V |
|
F28-2 (ACC) - F28-10 (GND1) |
Engine switch on (ACC) |
11 to 14 V |
|
F28-3 (IG) - F28-10 (GND1) |
Engine switch on (IG) |
11 to 14 V |
|
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