SYSTEM DIAGRAM
Communication Table
Sender |
Receiver |
Signal |
Communication Line |
---|---|---|---|
A/C amplifier |
ECM |
Magnetic clutch request signal*1 |
CAN |
Idle up request signal |
|||
External variable control solenoid current signal |
|||
Cooling fan motor driving request signal |
|||
Refrigerant gas pressure sensor signal |
|||
Ambient temperature signal |
|||
A/C amplifier |
Air conditioning control assembly |
Panel indication signal |
LIN |
MODE indication signal |
|||
Blower level indication signal |
|||
Set temperature indication signal |
|||
Combination meter |
A/C amplifier |
Vehicle speed signal |
CAN |
ECM |
A/C amplifier |
Engine revolution speed signal |
CAN |
Engine coolant temperature signal |
|||
A/C control cut signal |
|||
Air conditioning control assembly |
A/C amplifier |
AUTO switch signal |
LIN |
OFF switch signal |
|||
A/C switch signal |
|||
Fr DEF switch signal |
|||
Rr DEF switch signal |
|||
MODE switch signal |
|||
REC/FRS switch signal |
|||
SYNC switch signal |
|||
Blower switch signal (FAN+, FAN-) |
|||
Set temperature switch signal (UP, DOWN) |
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful bec ...
Combination Meter ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Combination Meter ECU Communication Stop Mode
"Combination Meter" is not displayed on "CAN Bus Check" screen
of t ...
Transmitter ID not Registered (C2171/71)
DESCRIPTION
Each tire pressure warning valve and transmitter ID is registered to the tire
pressure warning ECU.
When the ECU detects a transmitter ID code not registered in the ECU, a DTC is
output.
DTC No.
DTC Detection Condition
...