DESCRIPTION
This DTC is stored when the ID code box detects an internal malfunction.
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
B2790 |
The ID code box detects an internal malfunction. |
|
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the certification ECU, refer to Registration (See page
).
PROCEDURE
1. |
REPLACE ID CODE BOX |
(a) Replace the ID code box (See page ).
|
2. |
REGISTER RECOGNITION CODES |
(a) Register the recognition codes in the ECUs (See page
).
|
3. |
REGISTER ECU COMMUNICATION ID |
(a) Register the ECU communication ID (See page
).
|
4. |
CLEAR DTC |
(a) Clear the DTCs (See page ).
|
5. |
CHECK FOR DTC |
(a) Check for DTCs (See page ).
OK:
DTC B2790 is not output.
OK | ![]() |
END (ID CODE BOX IS DEFECTIVE) |
NG | ![]() |
REPLACE CERTIFICATION ECU |
Inspection
INSPECTION
PROCEDURE
1. INSPECT SPIRAL CABLE SUB-ASSEMBLY
(a) If there are any defects as mentioned below, replace the spiral cable with
a new one:
Scratches, cracks, dents or chips in the connector or spiral cable.
(b) Check the spiral cable.
Text in ...
Adjusting the settings
Basic setting
To turn on the air conditioning
system and adjust the fan speed, turn the fan speed control knob clockwise
(increase) or counterclockwise (decrease).
Turning the knob to “OFF” turns off the fan.
To adjust the temperature
setting, t ...