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:

Installation
1. INSTALL FRONT STABILIZER BAR 2. INSTALL NO. 1 FRONT STABILIZER BAR BUSHING (a) Install the 2 front stabilizer bar bush No.1 to the stabilizer bar front. NOTICE: Install the bushings with the slit facing on the rear side of the vehicle. HINT: Install the bushing to the outer side of th ...

Communication Error of Yaw Rate Sensor
DTC U0123 Communication Error of Yaw Rate Sensor DESCRIPTION This circuit detects the yaw rate of the vehicle and transmits its signal to the skid control ECU and distance control ECU. DTC No. DTC Detection Condition Trouble Area U0123 While the dynamic ...

GPS Mark is not Displayed
INSPECTION PROCEDURE 1 CHECK CABIN Check the cabin for any object that might interrupt radio reception on the instrument panel. If such an object exists, remove it and check if the GPS mark reappears. HINT: The GPS uses extremely faint radio waves originating from satellites. If the si ...