Description
CAN communication allows a high rate of information transmission through the two communication lines (CAN-H line and CAN-L line) connecting various control units in the system. Each control unit transmits/ receives data but selectively reads required data only.
DTC Logic
DTC DETECTION LOGIC
DTC | Display Item | Malfunction detected condition | Possible causes |
U1000 | CAN COMM CIRCUIT | When CAN communication signal is not continuously received for 2 seconds or more | CAN communication system malfunction |
Diagnosis Procedure
1.CHECK SELF-DIAGNOSTIC RESULT
With CONSULT.
Is DTC U1000 detected? YES >> Proceed to diagnosis procedure. Refer to LAN-17, "Trouble Diagnosis Flow Chart".
NO >> Refer to GI-41, "Intermittent Incident".
Cooler pipe and hose
Exploded View
Condenser
High-pressure flexible hose
Low-pressure flexible hose
Low-pressure pipe
Heating and cooling unit assembly
High-pressure pipe
Compressor
O-ring
Low-pressure service port
High-pressure service port
LOW-PRESSURE PIP
LOW-PRESSURE P ...
Preparation
Special Service Tools
The actual shapes of TechMate tools may differ from those of special service
tools illustrated here.
Tool number
(TechMate No.)
Tool name
Description
1. KV311039S0
( — )
Charging pipe set
2. KV31103920*
( — )
O-ring
CVT ...
B terminal circuit
Description
“B” terminal circuit supplies power to charge the battery and to operate the
vehicles electrical system.
Diagnosis Procedure
Regarding Wiring Diagram information. Refer to CHG-7, "Wiring Diagram".
1.CHECK “B” TERMINAL CONNECTION
Turn ignition switch OFF. ...