| Last Modified: 7-3-2017 | 6.8:8.0.40 | Doc ID: RM0000018BS005X |
| Model Year Start: 2007 | Model: LX470 | Prod Date Range: [08/2006 - ] |
| Title: LIGHTING: LIGHTING SYSTEM: Power Source Circuit; 2007 MY LX470 [08/2006 - ] | ||
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Power Source Circuit |
DESCRIPTION
This circuit supplies power to operate the Body ECU (Main).
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
INSPECT FUSE (BAT, ECU-B2, DOOR) |
(a) Remove the ECU-B2 and BAT fuses from the cowl side junction block RH.
(b) Remove the DOOR fuse from the cowl side junction block LH.
(c) Measure the resistance of the fuses.
Standard resistance:
Below 1 Ω
| NG |
|
|
|
2. |
CHECK WIRE HARNESS (BODY ECU (MAIN) - BATTERY) |
(a) Disconnect the 2C and 2Q junction block connectors.
(b) Measure the voltage of the wire harness side connectors.
Standard voltage:
|
Tester Connection |
Specified Condition |
|---|---|
|
2Q-22 (BECU) - Body ground |
10 to 14 V |
|
2C-1 (BDR1) - Body ground |
10 to 14 V |
| NG |
|
|
|
3. |
CHECK WIRE HARNESS (BODY ECU (MAIN) - BODY GROUND) |
| NG |
|
| OK |
|
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM CMPTOMS TABLE |
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