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:

Disassembly
1. REMOVE NO. 1ULTRASONIC SENSOR RETAINER (w/ Clearance Sonar System) (See page PM-19) 2. REMOVE NO. 1 ULTRASONIC SENSOR (w/ Clearance Sonar System) (See page PM-19) 3. REMOVE REAR BUMPER ENERGY ABSORBER 4. REMOVE REAR BUMPER BAR PLATE Remove the 4 clips and the rear bumper bar plate. 5. ...

Cruise Control Switch Circuit
DESCRIPTION The cruise control main switch operates 8 functions: SET, - (COAST), TAP-DOWN, RES (RESUME), + (ACCEL), TAP-UP, CANCEL, and MODE. The SET, TAP-DOWN, and - (COAST) functions, and the RES (RESUME), TAP-UP, and + (ACCEL) functions are operated with the same switch. The cruise contr ...

Rear wiper motor and bracket
COMPONENTS REMOVAL 1. REMOVE REAR WIPER ARM Remove the rear wiper arm head cap from the rear wiper arm. Remove the nut and the rear wiper arm. 2. REMOVE BACK DOOR GARNISH CENTER 3. REMOVE BACK DOOR SIDE GARNISH LH 4. REMOVE POWER BACK DOOR ROD 5. REMOVE BACK DOOR ...