RM38T0EC _58 Vehicle Interior _104612 HEATING / AIR CONDITIONING _0601796 AIR CONDITIONING SYSTEM(for HEV Model) C

HEATING / AIR CONDITIONING  AIR CONDITIONING SYSTEM(for HEV Model)  B13AA87  Lost Communication with Front Control Rear Air Outlet Damper Control Servo Motor LIN Missing Message  


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:

Ignition switch ON


Malfunction:

Error or 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


No. 2 air conditioning radiator damper servo sub-assembly Memorized

DTC Detection Condition Combination Table
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

E521188E12
0.208,2.563 2.646,3.01 2.438,0.448 10 false No. 2 Air Conditioning Radiator Damper Servo Sub-assembly 5.354,2.583 6.938,2.948 1.583,0.365 10 false Air Conditioning Amplifier Assembly 3.198,2.573 4.771,3.01 1.573,0.438 10 false Air Conditioning Harness Assembly 0.76,3.323 3.021,3.563 2.26,0.24 10 false : LIN Communication Line 1.865,1.167 2.104,1.344 0.24,0.177 10 false IC 6.635,1.188 6.875,1.365 0.24,0.177 10 false IC 6.219,0.438 6.458,0.615 0.24,0.177 10 false +B 5.427,0.563 6.073,0.76 0.646,0.198 10 false B BUS 5.427,1.083 6.073,1.281 0.646,0.198 10 false BUS 5.427,1.573 6.073,1.771 0.646,0.198 10 false BUS G 0.604,2.073 1.531,2.375 0.927,0.302 10 false Rear Mode

PROCEDURE

1.CHECK FOR DTC
a.

Check for DTCs.

Body Electrical > Air Conditioner > Trouble Codes
50001 450

Result:
Result Proceed to
B142A88 is output A
B142A88 is not output B



A

B