Toyota RAV4 manuals

Toyota Sienna Service Manual: Terminals of ecu

Check tire pressure warning ecu

HINT: Inspect the connectors from the back side while the connectors are connected.

Check tire pressure warning ecu

(a) Disconnect the tire pressure warning antenna and receiver connector.

(b) Measure the voltage according to the value(s) in the table below.

Check tire pressure warning ecu

(c) Connect the tire pressure warning antenna and receiver connector.

(d) Measure the voltage and resistance according to the value(s) in the table below. If the result is not as specified, the ECU may have a malfunction.

Check tire pressure warning ecu

(e) Using an oscilloscope, check the waveform 1.

(1) Waveform 1 (Reference)

Check tire pressure warning ecu

(2) Waveform 2 (Reference)

Problem symptoms table
HINT: Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column ...

Diagnosis system
1. CHECK BATTERY VOLTAGE Standard voltage: 11 to 14 V If the voltage is below 11 V, recharge the battery before proceeding. 2. CHECK DLC3 (a) The ECU uses the ISO 15765-4 for communication pr ...

Other materials:

Display contents
The multi-information display presents the driver with a variety of vehicle data. Menu icons Displays the following information when an icon is selected. Some of the information may be displayed automatically depending on the situation. Drive information Select to display various ...

Wiper Signal Circuit
DESCRIPTION The distance control ECU detects wiper operation. If the windshield wipers operate in the HI or LO mode, the cruise control is canceled and the warning sound "pong" is emitted once. In addition, the following warnings will continue until the cruise control main switch is ...

Initialization procedure
(a) Make sure that the ignition switch is off. (b) Connect the intelligent tester to the DLC3. (c) Turn the ignition switch to the ON position. (d) Select "TIREPRESS" by following the prompts displayed on the intelligent tester. (e) Press the tire pressure warning reset sw ...

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