COMPONENTS
ILLUSTRATION

On-vehicle InspectionBack-up Power Source Circuit
DESCRIPTION
The back-up power source circuit for the air conditioning amplifier assembly
is shown below. Power is supplied even when the ignition switch is off. The power
is used for diagnostic trouble code memory, etc.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for ...
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSION
(a) The type of ignition switch used on this model differs depending on the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine S ...
Sending Malfunction (Navigation to APGS) (U0073,U0100,U0129,U0140,U0155,U0164)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the CAN communication circuit.
DTC Code
DTC Detection Condition
Trouble Area
U0073
CAN bus connection error
CAN communication system
U0100
...