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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