Toyota Sienna Quiz
Tire and wheel

Terminals of ecu

In this manual: Tire and wheel
Introduction — 55Service specifications — 7Maintenance — 7Engine — 264U151e automatic transaxle — 108Transfer — 19Propeller shaft — 8Drive shaft — 14Differential — 16Axle — 18Suspension — 37Tire and wheel — 54Brake control — 141Parking brake — 16Steering Column — 11Power steering — 18Air conditioning — 106Supplemental restraint system — 146Seat belt — 22Theft deterrent — 14Engine immobiliser — 17Cruise control — 65Lighting — 61Wiper and washer — 13Door lock — 42Meter — 28Audio / visual — 94Navigation — 108Park assist / monitoring — 33Horn — 5Garage door opener — 42GR-FE Engine control system — 126Supplemental restraint system — 147Other system — 14Windshield / windowglass — 43Mirror — 23Instrument panel — 6Seat belt — 22Seat — 92Engine hood / door — 104Exterior — 39Interior — 5Sliding roof — 9Multiplex communication — 18Can communication — 23
~1min read

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)

Test yourself

A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.