Toyota Sienna Quiz
Lighting

Diagnostic trouble code chart

In this manual: Lighting
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
3steps
~18min
2/5difficulty
Done 0 of 3

1. DTC CHECK

If a malfunction code is displayed during the DTC check , check the suspected area listed for that code in the table below, and proceed to the appropriate page.

DIAGNOSTIC TROUBLE CODE CHART

DTC No.

Detection Item

Suspect Area

B1244

 Light Sensor Circuit Malfunction
  1. Automatic light control sensor
  2. Harness or connector
  3. Multiplex network body ECU

Test yourself

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