Toyota Corolla Cross: Lost Communication with Front Air Outlet Damper Control Servo Motor LIN Missing Message (B140287)
DESCRIPTION
The air conditioning harness assembly connects the air conditioning amplifier assembly and the No. 1 air conditioning radiator damper servo sub-assembly.
The No. 1 air conditioning radiator damper servo sub-assembly sends damper position information to the air conditioning amplifier assembly.
|
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
Memory |
|---|---|---|---|---|
| B140287 |
Lost Communication with Front Air Outlet Damper Control Servo Motor LIN Missing Message |
Diagnosis Condition:
Malfunction Status:
Detection Time:
| No. 1 air conditioning radiator damper servo sub-assembly |
Memorized |
|
Vehicle Condition | |||
|---|---|---|---|
|
Pattern 1 | Pattern 2 | ||
|
Diagnosis Condition | Ignition switch ON |
○ | ○ |
|
Malfunction | Error communication with No. 1 air conditioning radiator damper servo sub-assembly |
○ | - |
|
Lost communication with No. 1 air conditioning radiator damper servo sub-assembly |
- | ○ | |
|
Detection Time | Continuously for 10 seconds or more |
Continuously for 10 seconds or more | |
|
Trip Count | 1 trip |
1 trip | |
HINT:
If the conditions of either of these patterns are detected, a DTC will be stored
WIRING DIAGRAM
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PROCEDURE
| 1. |
CHECK FOR DTC |
(a) Check for DTCs.
Body Electrical > Air Conditioner > Trouble Codes|
Result | Proceed to |
|---|---|
|
B142A88 is output | A |
|
B142A88 is not output |
B |
| A |
.gif) | GO TO DTC B142A88 |
| B |
| REPLACE NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY |
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SEE MORE:
Rear Motor Resolver Circuit
DESCRIPTION The cause of this malfunction may be the rear motor resolver.
Check the rear motor resolver internal resistance and the connection condition from the inverter to the resolver. Related Parts Check
Area Inspection
Wire harness and connector between the inverter and rea
Installation
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 REAR SEAT SIDE AIRBAG ASSEMBLY
-
- -
2 REAR SEAT SIDE GARNISH LH
62552F -
- -
3 REAR SEAT BACK HINGE SUB-ASSEMBL
