B2636, B2637, B2638, B2639, B2654, B2655 MODE DOOR MOTOR
AUTOMATIC AIR CONDITIONER
B2636 B2637 B2638 B2639 B2654 B2655
Description
MODE DOOR MOTOR- The mode door motor (1) is installed to the heater & cooling unit assembly.
- The LCU (Local Control Unit) is installed to each door motor so as to perform the multiplex communication control (LAN) between each door motor of the mode door motor, air mix door motor and intake door motor in one communication line.
- When each LCU receives the control signal (combination of the pulse wave with two type of amplitude) from the A/C auto amp., it moves each door to the appropriate position based on the door position detection signal of each PBR (Potentio Balance Resistor). When the movement was completed, each LCU transmits the signal that reports the movement completion to the A/C auto amp.
DTC Logic
DTC DETECTION LOGIC|
DTC |
Items (CONSULT‐III screen terms) |
Diagnostic item is detected when... |
Possible cause |
|
B2636 |
DR VENT DOOR FAIL |
When the malfunctioning door position is detected at VENT position |
|
|
B2637 |
DR B/L DOOR FAIL |
When the malfunctioning door position is detected at B/L position |
|
|
B2638 |
DR D/F1 DOOR FAIL |
When the malfunctioning door position is detected at FOOT position |
|
|
B2639 |
DR DEF DOOR FAIL |
When the malfunctioning door position is detected at DEF position |
|
|
B2654 |
D/F2 DOOR FAIL |
When the malfunctioning door position is detected at D/F position |
|
|
B2655 |
B/L2 DOOR FAIL |
When the malfunctioning door position is detected at B/L2 position |
DTC CONFIRMATION PROCEDURE
1.PERFORM SELF-DIAGNOSIS
) or D/F (
) is selected.
