DESCRIPTION
The air conditioning amplifier communicates with the ECM, main body ECU (multiplex network body ECU) and combination meter through the CAN communication system.
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
U0100 |
Lost communication with the ECM. |
|
U0142 |
Lost communication with the main body ECU. |
|
U0155 |
Lost communication with the combination meter. |
|
PROCEDURE
1. |
CHECK FOR DTC (CAN COMMUNICATION SYSTEM) |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Result
Result |
Proceed to |
---|---|
CAN DTC is not output |
A |
CAN DTC is output |
B |
A | ![]() |
USE SIMULATION METHOD TO CHECK |
B | ![]() |
GO TO CAN COMMUNICATION SYSTEM |
Fuel information
You must only use unleaded gasoline in your vehicle.
Select octane rating 87 (Research Octane Number 91) or higher. Use of
unleaded gasoline with an octane rating lower than 87 may result in engine
knocking. Persistent knocking can lead to engine damage.
...
Air Conditioning Control Panel Circuit
DESCRIPTION
This circuit consists of the heater control assembly and air conditioning amplifier
assembly. When the heater control assembly is operated, signals are transmitted
to the air conditioning amplifier assembly through the LIN communication system ...