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:
Rear Air Mix Damper Control Servo Motor Circuit
DESCRIPTION
The rear air mix control servo motor (water valve servo motor) is controlled
by the A/C amplifier.
The rear air mix control servo motor moves the air mix damper by rotating
(normal, reverse) with electrical
power from the A/C amplifier.
WIRING DIAGRAM
INSPECTION PROCEDURE
...
Speed sensor check (when using sst check wire)
(a) Check the speed sensor signal.
(1) Drive the vehicle straight forward. Drive the
vehicle at a speed of 45 km/h (28 mph) or higher
for several seconds and check that the ABS
warning light goes off.
HINT:
The signal check may not be completed if the
vehicle has its wheels spun or the stee ...
On-vehicle inspection
1. INSPECT REAR AIRBAG SENSOR (VEHICLE NOT
INVOLVED IN COLLISION)
Perform a diagnostic system check.
2. INSPECT REAR AIRBAG SENSOR (VEHICLE
INVOLVED IN COLLISION AND AIRBAG HAS NOT
DEPLOYED)
Perform a diagnostic system check.
When the quarter panel of the vehicle or ...
