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:
Air conditioning filter
The air conditioning filter must be changed regularly to maintain air
conditioning efficiency.
Removal method
Turn the engine switch (vehicles
without a smart key system) or “ENGINE START STOP” switch (vehicles with a smart
key system) off.
Ope ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DIAGNOSIS
(a) If the skid control ECU detects a malfunction, the ABS and/or BRAKE warning
lights and the slip indicator lights come on in accordance with the trouble area
to warn the driver.
HINT:
The DTCs are simultaneously ...
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