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 |
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT GARAGE DOOR OPENER
(a) To inspect the garage door opener system, press each switch and check
that the LED in the "HomeLink" logo illuminates as illustrated. If one or
more of the switch ...
Freeze Frame Data
FREEZE FRAME DATA
1. FREEZE FRAME DATA
(a) Whenever a DTC is detected, the AFS ECU (headlight swivel ECU assembly) stores
the current vehicle (sensor) state as Freeze Frame Data.
2. CHECK FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Tur ...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
NOTICE:
When disconnecting the steering intermediate shaft assembly and pinion shaft
of steering gear assembly, be sure to place matchmarks before servicing.
PROCEDURE
1. INSTALL TIE ROD ASSEMBLY LH
(a) I ...