| Last Modified: 7-3-2017 | 6.8:8.0.40 | Doc ID: RM000001B5W003X |
| Model Year Start: 2007 | Model: LX470 | Prod Date Range: [08/2006 - ] |
| Title: NAVIGATION: NAVIGATION SYSTEM: Display Signal Circuit between Navigation ECU and Multi-display; 2007 MY LX470 [08/2006 - ] | ||
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Display Signal Circuit between Navigation ECU and Multi-display |
DESCRIPTION
This is the display signal circuit from the multi-display controller sub-assembly to the multi-display.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
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1. |
CHECK WIRE HARNESS (NAVIGATION ECU - TELEVISION CAMERA ECU) |
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(a) Disconnect the N3 and T31 ECU connectors. (b) Measure the resistance of the wire harness side connectors. Standard resistance:
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| NG |
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2. |
CHECK WIRE HARNESS (TELEVISION CAMERA ECU - MULTI-DISPLAY) |
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(a) Disconnect the T31 ECU connector. |
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(b) Disconnect the M6 display connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:
|
Tester Connection |
Specified Condition |
|---|---|
|
T31-10 (R) - M6-24 (R) |
Below 1 Ω |
|
T31-11 (G) - M6-25 (G) |
Below 1 Ω |
|
T31-12 (B) - M6-26 (B) |
Below 1 Ω |
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T31-31 (SYNC) - M6-27 (SYNC) |
Below 1 Ω |
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T31-32 (VR) - M6-23 (VR) |
Below 1 Ω |
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T31-9 (VG) - M6-28 (VG) |
Below 1 Ω |
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T31-10 (R) - Body ground |
10 kΩ or higher |
|
T31-11 (G) - Body ground |
10 kΩ or higher |
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T31-12 (B) - Body ground |
10 kΩ or higher |
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T31-31 (SYNC) - Body ground |
10 kΩ or higher |
|
T31-32 (VR) - Body ground |
10 kΩ or higher |
| NG |
|
| OK |
|
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE |
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