Toyota Sienna Service Manual: Diagnostic trouble code chart

Toyota Sienna Service Manual / Lighting / Lighting system / Diagnostic trouble code chart

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	Automatic light control sensor Harness or connector Multiplex network body ECU

Data list / active test

1. DATA LIST HINT: By the DATA LIST displayed by the intelligent tester, you can read the value of the switch, sensor, actuator and so on without removing any part. Reading the DATA LIST as the f ...

Light Sensor Circuit Malfunction

DTC B1244 Light Sensor Circuit Malfunction DESCRIPTION This DTC is output when failure in the light sensor circuit is detected. DTC No. DTC Detection Condition Trouble Area ...

Other materials:

Precaution
1. INITIALIZATION NOTICE: Perform RESET MEMORY (AT initialization) when replacing the automatic transaxle assembly, engine assembly or ECM. Perform REGISTRATION (VIN registration) when replacing the ECM. HINT: Initialization cannot be completed by only removing the batt ...

Disposal
HINT: When scrapping a vehicle equipped with the SRS or disposing of the front passenger airbag assembly, be sure to deploy the airbag first in accordance with the procedure described below. If any abnormality occurs with airbag deployment, contact the SERVICE DEPT. of the TOYOTA MOTOR SALES, ...

Short to B+ in Door System Communication Bus Malfunction/ Short to GND in Door System Communication Bus Malfunction
DTC B1214 Short to B+ in Door System Communication Bus Malfunction DTC B1215 Short to GND in Door System Communication Bus Malfunction DESCRIPTION DTCs B1214 and B1215 are output when a short to +B or the body ground occurs on the communication bus. Detecting this condition disables all the ...