Toyota Venza: TC and CG Terminal Circuit
DESCRIPTION
DTC output mode is set by connecting terminals 13 (TC) and 4 (CG) of the DLC3. The DTCs are indicated by the blinking pattern of the tire pressure warning light.
WIRING DIAGRAM
HINT:
When various warning lights blink continuously, a ground short in terminal TC of the DLC3 or an internal ground short in an ECU connected to this circuit may have occurred.
CAUTION / NOTICE / HINT
NOTICE:
- When replacing the tire pressure warning ECU, read the transmitter IDs stored in the old ECU using the Techstream and write them down before removal.
- It is necessary to perform registration (See page
.gif)
) of the transmitter IDs into the tire
pressure warning ECU after the ECU has been replaced.
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (DLC3 - TIRE PRESSURE WARNING ECU) |
|
(a) Disconnect the D31 ECU connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D31-3 (TC) - D1-13 (TC) |
Always |
Below 1 Ω |
|
D1-4 (CG) - Body ground |
|
*1 |
Front view of wire harness connector (to DLC3) |
|
*2 |
Front view of wire harness connector (to Tire Pressure Warning ECU) |
| OK | .gif) |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Tire Pressure Warning Light Circuit
DESCRIPTION
If the tire pressure warning ECU detects a malfunction, the tire pressure warning
light blinks for 1 minute then stays on and tire pressure monitor is canceled at
the same time. At th ...
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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
If there are no DTCs output and the problem still occurs, check the circuits
for each problem symptom in the order given in the following table and proceed to
the relevant troubleshooting page.
NOTICE:
When replacing the brake act ...
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• The function can be reset by pressing and holding the “SELECT RESET” button
when the ...
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