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.
Steering Lock System|
DTC Code |
Detection Item |
Trouble Area |
See page |
|---|---|---|---|
|
B2781 |
Open / Short in Steering Lock ECU |
- Steering lock actuator assembly (steering lock ECU) - LIN communication system - Harness or connector of LIN bus line |
|
|
B2782 |
Power Source Control ECU Malfunction |
- Steering lock actuator assembly (steering lock ECU) - Power management control ECU - Harness or connector |
|
|
B2788 |
IG2 Signal Malfunction |
- IGN fuse - Steering lock actuator assembly (steering lock ECU) - Power management control ECU - Harness or connector |
|
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Data List / Active Test
DATA LIST / ACTIVE TEST
1. READ 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 ...
IG2 Signal Malfunction (B2788)
DESCRIPTION
The steering lock ECU determines the on/off status of the engine switch through
the IG2 signal circuit.
The steering lock ECU does not lock the steering when it receives the IG2 relay ...
Other materials about Toyota 4Runner:
Data List / Active Test
DATA LIST / ACTIVE TEST
1. ACTIVE TEST
HINT:
Using the Techstream to perform Active Tests allows relays, VSVs, actuators and
other items to be operated without removing any parts. This non-intrusive functional
inspection can be very useful because inter ...
Lost Communication with Front Satellite Sensor Bus (B161A/8A)
DESCRIPTION
The front collision sensor circuit (front airbag sensor RH circuit and front
airbag sensor LH circuit) is composed of the center airbag sensor assembly, front
airbag sensor RH and front airbag sensor LH.
The front airbag sensor RH or front ai ...
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