DESCRIPTION
The power management control ECU controls the power supply to activate the steering lock motor. This prevents the steering wheel from being locked while the vehicle is moving.
DTC No. |
DTC Detecting Condition |
Trouble Area |
---|---|---|
B2782 |
Steering lock motor drive control circuit is defective. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
HINT:
After replacing the steering lock ECU (steering lock actuator assembly), confirm
the Initialization of the steering lock (See page
).
PROCEDURE
1. |
INSPECT STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY) |
(a) Measure the voltage according to the value(s) in the table below. Standard Voltage:
HINT: The steering lock ECU and steering lock actuator assembly are supplied as a single unit. |
|
*1 |
Component with harness connected (Steering Lock ECU (Steering Lock Actuator Assembly)) |
OK | ![]() |
REPLACE STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY) |
|
2. |
CHECK HARNESS AND CONNECTOR (STEERING LOCK ECU - BODY GROUND) |
(a) Disconnect the D17 connector from the steering lock actuator assembly. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D17-1 (GND) - Body ground |
Always |
Below 1 Ω |
*1 |
Front view of wire harness connector (to Steering Lock ECU (Steering Lock Actuator Assembly)) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
CHECK HARNESS AND CONNECTOR (STEERING LOCK ECU - POWER MANAGEMENT CONTROL ECU) |
(a) Disconnect the D43 connector from the power management control ECU. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D17-3 (IGE) - D43-8 (SLR+) |
Always |
Below 1 Ω |
D17-3 (IGE) - Body ground |
Always |
10 kΩ or higher |
*1 |
Front view of wire harness connector (to Steering Lock ECU (Steering Lock Actuator Assembly)) |
*2 |
Front view of wire harness connector (to Power Management Control ECU) |
OK | ![]() |
REPLACE POWER MANAGEMENT CONTROL ECU |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Lost Communication with Automatic High Beam Sensor (B2432)
DESCRIPTION
The DTC is stored when the AFS ECU (headlight swivel ECU assembly) detects malfunctions
in the LIN communication system.
DTC No.
DTC Detection Condition
Trouble Area
B2432
Malfunction ...
Stereo Component Amplifier Malfunction (B15A3)
DESCRIPTION
This DTC is stored when a malfunction occurs in the stereo component amplifier
assembly.
DTC No.
DTC Detection Condition
Trouble Area
B15A3
When any of the following conditions is met ...
Main Body ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Main Body ECU Communication Stop Mode
"Main Body" is not displayed on "CAN Bus Check" screen of the
Techstream.
...