Special service tools
The actual shape of the tools may differ from those illustrated here.

Precaution for workAv branch line circuit
Diagnosis Procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the av control unit for damage,
bend and loose connection (unit
side and connector side).
Is the inspection result norma ...
P0606 ECM
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0606
CONTROL MODULE
(Control module processor)
Malfunction in ECM processor.
ECM
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONIN ...
Dtc/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.
...