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 ...
Other materials about Toyota Venza:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...
Automatic Light Control Sensor
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE DEFROSTER NOZZLE GARNISH
2. REMOVE AUTOMATIC LIGHT CONTROL SENSOR
(a) Disengage the 2 claws and remove the automatic light control sensor.
...
Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK DLC3
(a) Check the DLC3 (See page ).
2. FUNCTION OF SRS WARNING LIGHT
(a) Primary check
(1) Turn the ignition switch off. Wait for at least 2 seconds, then turn the
ignition switch to ON. The SRS warning light comes on for app ...
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