DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerCAN communication circuit
Diagnosis Procedure
1.CONNECTOR INSPECTION
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on CAN communication system.
Check terminals and connectors for damage, bend and loose
connection.
2.CHECK HARNESS CON ...
Pre-inspection for diagnostic
Pre-Inspection for Multi-System Diagnostic
The engine start function, door lock function, power distribution system and
NATS-IVIS/NVIS are closely
related to each other. Narrow down the system in question by performing this
inspection to identify which system
is malfunctioning. For example, ...
Preparation
PREPARATION
Special Service Tool
The actual shapes of the tools may differ from those illustrated here.
HFC-134a (R-134a) Service Tool and Equipment
Do not mix HFC-134a (R-134a) refrigerant and/or its specified oil with CFC-12
(R-12) refrigerant and/or its oil.
Separate and non-interchang ...