Toyota 4Runner: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.
Lighting System|
DTC Code |
Detection Item |
Trouble Area |
See page |
|---|---|---|---|
|
B1244 |
Light Sensor Circuit Malfunction |
- Automatic light control sensor - Main body ECU (multiplex network body ECU) - Harness or connector |
|
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Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any p ...
Light Sensor Circuit Malfunction (B1244)
DESCRIPTION
The automatic light control sensor detects ambient light, converts it into an
electrical signal, and outputs it to the main body ECU. The main body ECU turns
on or off the headlights ...
Other materials about Toyota 4Runner:
Short to GND in Hall Effect Sensor Power Circuit (31)
DESCRIPTION
When there is a short to GND in the side auto step motor hall sensor power circuit,
the side auto step controller ECU assembly does not operate the automatic running
board.
DTC No.
Detection Condition
Trouble ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedures to troubleshoot the power window control system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
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