Toyota Yaris: Air Conditioning System / Lost Communication with ECM/PCM "A" Missing Message (U010087,U013187,U014087,U015587,U016387)
DESCRIPTION
These DTCs are stored when the CAN communication system is malfunctioning.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory |
U010087 | Lost Communication with ECM/PCM "A" Missing Message | Diagnosis Condition: -
IG voltage 8.5 V or higher
Malfunction Status: -
No communication with ECM
Detection Time: -
Continuously for 10 seconds or more
| -
CAN communication system
-
ECM
-
Air conditioning amplifier assembly
| Memorized |
U013187 | Lost Communication with Power Steering Control Module Missing Message | Diagnosis Condition: -
IG voltage 8.5 V or higher
Malfunction Status: -
No communication with power steering ECU assembly
Detection Time: -
Continuously for 10 seconds or more
| -
CAN communication system
-
Power steering ECU assembly
-
Air conditioning amplifier assembly
| Memorized |
U014087 | Lost Communication with Body Control Module Missing Message | Diagnosis Condition: -
IG voltage 8.5 V or higher
Malfunction Status: -
No communication with main body ECU (multiplex network body ECU)
Detection Time: -
Continuously for 10 seconds or more
| -
CAN communication system
-
Main body ECU (multiplex network body ECU)
-
Air conditioning amplifier assembly
| Memorized |
U015587 | Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message | Diagnosis Condition: -
IG voltage 8.5 V or higher
Malfunction Status: -
No communication with combination meter assembly
Detection Time: -
Continuously for 10 seconds or more
| -
CAN communication system
-
Combination meter assembly
-
Air conditioning amplifier assembly
| Memorized |
U016387 | Lost Communication with Navigation Control Module Missing Message | Diagnosis Condition: -
IG voltage 8.5 V or higher
Malfunction Status: -
No communication with radio and display receiver assembly
Detection Time: -
Continuously for 10 seconds or more
| -
CAN communication system
-
Radio and display receiver assembly
-
Air conditioning amplifier assembly
| Memorized |
PROCEDURE
(a) Check for DTCs.
Body Electrical > Air Conditioner > Trouble Codes
Result | Proceed to |
DTC U010087, U013187, U014087, U015587 or U016387 is output | A |
DTCs are not output | B |
None of the above conditions are met | C |
A |
| GO TO CAN COMMUNICATION SYSTEM |
B |
| USE SIMULATION METHOD TO CHECK |
C |
| GO TO DTC CHART |
DESCRIPTION The No. 1 cooler thermistor is installed to the evaporator in the air conditioner unit to detect the temperature of the cooled air that has passed through the evaporator, which is used to control the air conditioning system...
DESCRIPTION The blower motor with fan sub-assembly is operated by signals from the air conditioning amplifier assembly. Blower motor speed signals are transmitted in accordance with changes in the duty ratio...
Other information:
DESCRIPTION The BIN resistance is equipped for the purpose of correcting variances in brightness (luminous flux) when the light control LED ECU is energizing the LED with a constant current to illuminate it. Also, it monitors the voltage applied to the BIN resistance in order to detect abnormalities in the energizing current and thereby detect malfunctions...
INSTALLATION PROCEDURE 1. INSPECT COMPRESSOR OIL (a) Remove the suction seal cap. (b) Using a screwdriver with its tip wrapped in protective tape, insert the screwdriver through the suction port and set the VST valve (valve inside suction port) to the open position...
Categories
Smart key
Auxiliary key
Key code number plate
To use the auxiliary key, press the knob and pull out the auxiliary key
from the smart key.
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