| Last Modified: 11-29-2007 | 1.6 J | |
| Service Category: Audio/Visual/Telematics | Section: Park Assist/Monitoring | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM000001YQ800HX |
| Title: PARK ASSIST / MONITORING: REAR VIEW MONITOR SYSTEM: DESCRIPTION (2008 Sequoia) | ||
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Display Signal Circuit between Navigation Receiver Assembly and Television Camera Assembly |
DESCRIPTION
This is the display signal circuit between the navigation receiver assembly and the television camera assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - TELEVISION CAMERA ASSEMBLY) |
|
(a) Disconnect the I7 navigation receiver assembly connector. |
(b) Disconnect the V17 television camera assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
I7-22 (V+) - V17-2 (CV+) |
Always |
Below 1 Ω |
|
I7-23 (V-) - V17-1 (CV-) |
||
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I7-21 (CGND) - V17-3 (CGND) |
||
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I7-24 (CA+) - V17-4 (CB+) |
||
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I7-22 (V+) - Body ground |
Always |
10 kΩ or higher |
|
I7-23 (V-) - Body ground |
||
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I7-21 (CGND) - Body ground |
||
|
I7-24 (CA+) - Body ground |
(d) Reconnect the navigation receiver assembly connector.
(e) Reconnect the television camera assembly connector.
|
|
2. |
INSPECT NAVIGATION RECEIVER ASSEMBLY |
|
(a) Disconnect the V17 television camera assembly connector. |
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
V17-4 (CB+) - V17-3 (CGND) |
Ignition switch ON, shift lever in R |
5.5 to 7.05 V |
(c) Reconnect the television camera assembly connector.
|
|
3. |
INSPECT TELEVISION CAMERA ASSEMBLY |
|
(a) Using an oscilloscope, check the waveform.
OK: Waveform is as shown in the illustration. |
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