Toyota Venza: ECU Power Source Circuit
DESCRIPTION
This circuit provides power for main body ECU (driver side junction block assembly) operation.
WIRING DIAGRAM
PROCEDURE
|
1. |
CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY (MAIN BODY ECU (POWER SOURCE)) |
|
(a) Disconnect the 2C driver side junction block assembly connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
2C-24 - Body ground |
Always |
11 to 14 V |
|
2C-30 - Body ground |
Always |
11 to 14 V |
|
*1 |
Front view of wire harness connector (to Driver Side Junction Block Assembly) |
| NG | .gif) |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
.gif)
|
2. |
CHECK HARNESS AND CONNECTOR (DRIVER SIDE JUNCTION BLOCK ASSEMBLY - BODY GROUND) |
|
(a) Disconnect the 2F driver side junction block assembly connectors. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
2F-16 - Body ground |
Always |
Below 1 Ω |
|
*1 |
Front view of wire harness connector (to Driver Side Junction Block Assembly) |
| OK | |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
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