DESCRIPTION
This DTC is stored when LIN communication from the certification ECU stops for a certain amount of time.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B2785 |
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Connect the Techstream to the DLC3, and turn the courtesy switch on and off at 1.5-second intervals until communication between the Techstream and vehicle begins.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - EACH ECU) |
(a) Disconnect the D25, D43 and D17 ECU connectors.
*1 |
Front view of wire harness connector (to Certification ECU (Smart Key ECU Assembly)) |
*2 |
Front view of wire harness connector (to Power Management Control ECU) |
*3 |
Front view of wire harness connector (to Steering Lock ECU (Steering Lock Actuator Assembly)) |
- |
- |
(b) Measure the resistance and voltage according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D25-29 (LIN) - D17-5 (LIN) |
Always |
Below 1 Ω |
D25-29 (LIN) - D43-24 (LIN2) |
Always |
Below 1 Ω |
D25-29 (LIN) - Body ground |
Always |
10 kΩ or higher |
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D25-29 (LIN) - Body ground |
Always |
Below 1 V |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK DTC OUTPUT (STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY)) |
(a) Reconnect the D25 and D43 ECU connectors.
(b) Clear the DTC (See page ).
(c) Recheck for DTCs.
Result |
Proceed to |
---|---|
DTC B2785 is output |
A |
DTC B2785 is not output |
B |
B | ![]() |
REPLACE STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY) |
|
3. |
CHECK DTC OUTPUT (POWER MANAGEMENT CONTROL ECU) |
(a) Reconnect the D17 ECU connector.
(b) Disconnect the D43 ECU connector.
(c) Clear the DTC (See page ).
(d) Recheck for DTCs.
Result |
Proceed to |
---|---|
DTC B2785 is output |
A |
DTC B2785 is not output |
B |
A | ![]() |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
B | ![]() |
REPLACE POWER MANAGEMENT CONTROL ECU |
System Description
SYSTEM DESCRIPTION
1. OUTLINE OF THEFT DETERRENT SYSTEM
The theft deterrent system can be set by locking the doors using the
transmitter or key, or by opening and closing the doors (for details, refer
to Active Arming Mode or Passive Arming Mo ...
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 ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT DIFFERENTIAL CASE
(a) Using SST, rotate the front differential side gear as shown in the
illustration.
SST: 09528-52010
09528-05030
Standard:
The front differential side gear does not lock wh ...