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:
Different Diameter Tire (C134800)
DESCRIPTION If the hybrid vehicle control ECU receives a signal from the skid control ECU that the AWD system is malfunctioning, the hybrid vehicle control ECU outputs this DTC.
DTC No. Detection Item
DTC Detection Condition
Trouble Area MIL
Warning Indicate Note
Internal Control Module Random Access Memory (RAM) Error Data Memory Failure (P060444)
MONITOR DESCRIPTION The ECM continuously monitors its internal memory status. This self-check ensures that the ECM is functioning properly. The ECM memory status is diagnosed by internal mirroring of the main CPU and sub CPU to detect Random Access Memory (RAM) errors. If outputs from these CPUs are
