| Last Modified: 11-29-2007 | 1.6 C | |
| Service Category: Audio/Visual/Telematics | Section: Navigation/Multi Info Display | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM00000182K03BX |
| Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: DESCRIPTION (2008 Sequoia) | ||
|
DTC |
01-DC |
Transmission Error |
DESCRIPTION
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
01-DC |
Transmission to component shown by sub-code is failed. (Detecting this DTC does not always mean actual failure.) |
If same sub-code is recorded in other components, check harness for power supply and communication system of all components shown by code |
HINT:
This code may be stored if the engine started, idled 60 seconds and then the ignition switch is turned to the start position again.
NOTICE:
- The navigation receiver assembly is the master unit.
- Be sure to clear and recheck DTCs after the inspection is completed to confirm that no DTCs are output.
INSPECTION PROCEDURE
NOTICE:
Be sure to read the DESCRIPTION before performing the following procedures.
PROCEDURE
|
1. |
CHECK FOR DTC OF OTHER COMPONENTS |
(a) Check if the component shown by the sub-code is displayed in the check result of the other components.
(1) Check if "01-DC" is output for the other components.
(b) If "01-DC" is output for any other components, check if the same physical address is displayed.
HINT:
For the list of the components shown by sub-codes, refer to the table in the next step.
Result
|
Result |
Proceed to |
|---|---|
|
"01-DC" is output and the same physical address is displayed |
A |
|
"01-DC" is not output or the same physical address is not displayed |
B |
|
|
2. |
IDENTIFY COMPONENT WHICH HAS STORED THIS CODE |
|
(a) Enter the diagnostic mode. |
(b) Press the "LAN Mon" switch to change to "LAN Monitor" mode.
(c) Identify the component which has stored this code.
Component Table
|
Display |
Component |
|---|---|
|
AVN |
Navigation receiver assembly |
|
DSP-AMP |
Stereo component amplifier assembly |
|
Rr-TV* |
Television display assembly |
HINT:
- "DSP-AMP" is the component which has stored this code in the example shown in the illustration.
- *: w/ Rear Seat Entertainment System
|
|
3. |
CHECK COMPONENT WHICH HAS STORED THIS CODE |
(a) Select the component which has stored this code.
Component Table
|
Component |
Proceed to |
|---|---|
|
Navigation receiver assembly (AVN) |
Navigation receiver communication error
|
|
Stereo component amplifier assembly (DSP-AMP) |
Stereo component amplifier communication error
|
|
Television display assembly (Rr-TV)* |
Television display communication error
|
HINT:
*: w/ Rear Seat Entertainment System
|
|
5. |
CLEAR DTC |
(a) Clear the DTCs
.
HINT:
If "01-DC" is output for only one component, this may not indicate a malfunction.
|
|
6. |
RECHECK DTC |
(a) Recheck for DTCs and check if the same trouble occurs again.
OK:
Malfunction disappears.
|
|
8. |
CHECK COMPONENT WHICH HAS STORED THIS CODE |
(a) Select the component which has stored this code.
Component Table
|
Component |
Proceed to |
|---|---|
|
Navigation receiver assembly (AVN) |
Navigation receiver communication error
|
|
Stereo component amplifier assembly (DSP-AMP) |
Stereo component amplifier communication error
|
|
Television display assembly (Rr-TV)* |
Television display communication error
|
HINT:
*: w/ Rear Seat Entertainment System
|
|
|