Toyota Sienna Service Manual: 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 |
|
- Light Sensor Circuit Malfunction
- Ignition Switch Circuit
- Headlight Relay Circuit
- DRL Relay Circuit
- Front Fog Light Circuit
- Light Control Switch Circuit
- Automatic Light Control Sensor Circuit
- Door Courtesy Switch Circuit
- Door LOCK Position Circuit
- Illumination Circuit
- Parking Brake Switch Circuit
- Taillight Relay Circuit
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:
Manual Up / Down Function does not Operate on Rear RH Only
DESCRIPTION
If the manual UP/DOWN function does not operate, the power window motor, the
regulator switch or the
wire harness may be malfunctioning.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK WIRE HARNESS (POWER SOURCE)
Disconnect the P39 regulator switch connector.
Turn ...
Diagnostic trouble code chart
HINT:
The parameters listed in the chart may not confirm exactly to
those read during the DTC check due to the type of
instrument or other factors.
If a trouble code is displayed during the DTC check in the
check mode, check the circuit for the code listed in the table
below. For details of ...
Shifting the shift lever
While the engine switch is in the
“ON” position (vehicles without a
smart key system) or IGNITION ON mode (vehicles with a smart
key system), move the shift lever with the brake pedal
depressed.
When shifting the shift lever between P and D, make sure that the vehicle
is completely ...
