DESCRIPTION
The air conditioning harness assembly connects the air conditioning amplifier assembly and the No. 1 air conditioning radiator damper servo sub-assembly.
The air conditioning amplifier assembly supplies power and sends operation instructions to No. 1 air conditioning radiator damper servo sub-assembly through the air conditioning harness assembly.
The No. 1 air conditioning radiator damper servo sub-assembly sends pulse signals to inform the air conditioning amplifier assembly of the damper position.
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
Memory |
---|---|---|---|---|
B140587 |
Lost Communication with Front Air Mix 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
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 |
![]() | GO TO DTC B142A88 |
B |
![]() | REPLACE NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY |