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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
  1. Automatic light control sensor
  2. Harness or connector
  3. 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. TIRE PRESSURE WARNING SYSTEM PRECAUTION (a) When the tire pressure warning light comes on, immediately check the tire pressure of the tire and adjust it to the specified value. (The tire pressure warning light will come on after blinking for 1 minute if there is an open in the tire press ...

Diagnostic trouble code chart
HINT:  If a trouble code is displayed during the DTC check, inspect the circuit listed for that code. For details of the code, refer to the "See page" in the DTC chart.  Inspect the fuse and relay before investigating the suspected areas shown in the table below. W ...

Mechanical system tests
1. PERFORM MECHANICAL SYSTEM TESTS (a) Measure the stall speed. The object of this test is to check the overall performance of the transaxle and engine by measuring the stall speeds in the D position. NOTICE: Driving test should be done on a paved road (a nonskid road). Per ...

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