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 |
Installation
INSTALLATION
PROCEDURE
1. INSTALL REAR CENTER SEAT OUTER BELT ASSEMBLY
(a) Install the rear center seat outer belt assembly with the bolt and
nut.
Torque:
Bolt :
7.5 N·m {77 kgf·cm, 66 in·lbf}
Nut :
42 N·m {428 kgf·cm, ...
Unlock Warning Switch Circuit
DESCRIPTION
The key unlock warning switch assembly turns on when the ignition key is inserted
into the ignition key cylinder and turns off when the ignition key is removed.
The main body ECU (driver side junction block assembly) operates the key confinemen ...
System Description
SYSTEM DESCRIPTION
1. GENERAL
The rear window defogger wires are attached to the inside of the rear window
and defog the window surface quickly by pressing the rear window defogger switch
on the air conditioning control assembly. The indicator light is i ...