Toyota Corolla Cross: Lost Communication with Front Control Rear Air Outlet Damper Control Servo Motor LIN Missing Message (B13AA87)
DESCRIPTION
The air conditioning harness assembly connects the air conditioning amplifier assembly and No. 2 air conditioning radiator damper servo sub-assembly.
The No. 2 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 |
|---|---|---|---|---|
| B13AA87 |
Lost Communication with Front Control Rear Air Outlet Damper Control Servo Motor LIN Missing Message |
Diagnosis Condition:
Malfunction:
Detection Time:
| No. 2 air conditioning radiator damper servo sub-assembly |
Memorized |
|
Vehicle Condition | |||
|---|---|---|---|
|
Pattern 1 | Pattern 2 | ||
|
Diagnosis Condition | Ignition switch ON |
○ | ○ |
|
Malfunction | Error in communication line between air conditioning amplifier assembly and No. 2 air conditioning radiator damper servo sub-assembly |
○ | - |
|
Open in communication line between air conditioning amplifier assembly and No. 2 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
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. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY |
READ NEXT:
Front Control Rear Air Outlet Damper Control Servo Motor Actuator Stuck Off (B13AB7F)
DESCRIPTION The No. 2 air conditioning radiator damper servo sub-assembly sends pulse signals to inform the air conditioning amplifier assembly of the damper position.
The air conditioning amplifier
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 radia
Front Air Outlet Damper Control Servo Motor Actuator Stuck Off (B14037F)
DESCRIPTION The No. 1 air conditioning radiator damper servo sub-assembly sends pulse signals to inform the air conditioning amplifier assembly of the damper position.
The air conditioning amplifier
SEE MORE:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the automatic high beam
system.
*: Use the GTS.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
Removal
REMOVAL
CAUTION / NOTICE / HINT
COMPONENTS (REMOVAL)
Procedure
Part Name Code
1
SECURE VEHICLE
-
-
-
2
AUXILIARY BATTERY
-
