Toyota Sienna Quiz
Supplemental restraint system

SRS Warning Light does not Come ON

In this manual: Supplemental restraint system
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
18steps
~108min
4/5difficulty
Done 0 of 18

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

1 CHECK BATTERY

  1. Measure the voltage of the battery.

Standard voltage: 11 to 14 V

2 CHECK CONNECTORS

  1. Turn the ignition switch to the LOCK position.
  2. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
  3. Check that the connectors are properly connected to the center airbag sensor assembly and the combination meter assembly.

OK: The connectors are properly connected.

3 CHECK WIRE HARNESS (SOURCE VOLTAGE OF COMBINATION METER ASSEMBLY)

CHECK WIRE HARNESS (SOURCE VOLTAGE OF COMBINATION METER ASSEMBLY)
  1. Turn the ignition switch to the LOCK position.
  2. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
  3. Disconnect the connector from the combination meter assembly.
  4. Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
  5. Turn the ignition switch to the ON position.
  6. Measure the voltage according to the value(s) in the table below.

Standard voltage

Standard voltage
  1. Turn the ignition switch to the LOCK position.
  2. Measure the resistance according to the value(s) in the table below.

Standard Resistance

Standard Resistance

4 CHECK SRS WARNING LIGHT

  1. Turn the ignition switch to the LOCK position.
  2. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
  3. Connect the connector to the combination meter assembly.
  4. Disconnect the connector from the center airbag sensor assembly.
  5. Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
  6. Turn the ignition switch to the ON position.
  7. Check the SRS warning light condition.

OK: After the primary check period, SRS warning light goes off for approximately 10 seconds, and remains on.

HINT: The primary check period is approximately 6 seconds after the ignition switch is turned to the ON position.

REPLACE CENTER AIRBAG SENSOR ASSEMBLY

Test yourself

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