| Last Modified: 11-29-2007 | 1.6 J | |
| Service Category: Audio/Visual/Telematics | Section: Navigation/Multi Info Display | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM0000011FA01VX |
| Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: DESCRIPTION (2008 Sequoia) | ||
|
Navigation Receiver Assembly Power Source Circuit |
DESCRIPTION
The circuit provides power to the navigation receiver assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
INSPECT FUSES (RAD NO. 1, ACC) |
|
(a) Remove the ACC fuse from the main body ECU. |
(b) Remove the RAD NO. 1 fuse from the engine room junction block.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
RAD NO. 1 fuse |
Always |
Below 1 Ω |
|
ACC fuse |
(d) Install the fuses.
|
|
2. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - BATTERY AND BODY GROUND) |
|
(a) Disconnect the I20 navigation receiver assembly connector. |
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
I20-20 (GND) - Body ground |
Always |
Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
I20-1 (B) - Body ground |
Always |
11 to 14 V |
|
I20-11 (ACC) - Body ground |
Ignition switch ACC |
(d) Reconnect the navigation receiver assembly connector.
|
|
|