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:
Removal
1. DRAIN BRAKE FLUID
NOTICE:
Wash brake fluid off immediately if it adheres to any
painted surface.
2. DISCONNECT BATTERY NEGATIVE TERMINAL
3. REMOVE AIR CLEANER ASSEMBLY WITH HOSE
4. REMOVE BRAKE ACTUATOR WITH BRACKET
(a) Release the latch of the brake actuator connector to
disconnect t ...
Stowing the third seats (manual seats)
Before stowing or returning third seat, remove any items from the floor
area to prevent interference with moving parts.
Before stowing the third seats
Lower the center head
restraint to the lowest position
, and stow the
seat belt buckles.
Stow the center seat belt.
Stowing ...
Diagnosis system
1. CHECK DLC3
The vehicle's ECU uses ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 complies with SAE J1962 and matches
the ISO 15765-4 format.
NOTICE:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do no ...
