The system should respond correctly to all voice commands without difficulty. If problems are encountered, follow the solutions given in this guide for the appropriate error. Where the solutions are listed by number, try each solution in turn, starting with number one, until the problem is resolved.
Help voice commandsDtc/circuit diagnosis
U1000 can comm circuit
DTC Logic
DTC DETECTION LOGIC
CONSULT Display
DTC Detection Condition
Possible Cause
CAN COMM CIRCUIT
[U1000]
AV control unit is not transmitting or receiving
CAN communication signal for 2 seconds or
more.
CAN communication system.
...
Tcm branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose
connection (unit side and connector
side).
Tcm
Harness connector f50
Harness co ...
Wiring diagram
AUTOMATIC AIR CONDITIONING SYSTEM
Wiring Diagram
...