Toyota Venza: TC and CG Terminal Circuit
DESCRIPTION
Connecting terminals TC and CG of the DLC3 causes the system to enter self-diagnostic mode. If a malfunction is present, the MIL will blink.
HINT:
When a particular warning light remains blinking, a ground short in the wiring of terminal TC of the DLC3 or an internal ground short in the relevant ECU is suspected.
WIRING DIAGRAM
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (DLC3 - ECM) |
(a) Disconnect the ECM connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
For 1AR-FE|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D1-13 (TC) - A49-7 (TC) |
Always |
Below 1 Ω |
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D1-13 (TC) - A41-16 (TC) |
Always |
Below 1 Ω |
|
*1 |
DLC3 |
|
*2 |
Front view of wire harness connector (to ECM) |
|
*3 |
for 1AR-FE |
|
*4 |
for 2GR-FE |
(c) Reconnect the ECM connector.
| NG | .gif) |
REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 - ECM) |
|
.gif)
|
2. |
CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D1-4 (CG) - Body ground |
Always |
Below 1 Ω |
|
*1 |
DLC3 |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 - BODY GROUND) |
|
|
3. |
CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D1-13 (TC) - Body ground |
Always |
10 kΩ or higher |
|
*1 |
DLC3 |
| OK | |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR OR EACH ECU |
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DESCRIPTION
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The SET indicator light ci ...
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DESCRIPTION
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DESCRIPTION
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).
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DTC Detection Condition
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Inner rear view mir ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT GENERATOR CLUTCH PULLEY
(a) Hold the generator rotor using SST, and turn the clutch pulley clockwise
to check that the outer ring locks.
SST: 09820-63021
Text in Illustration
*1
...
0.2243