Emission inspection and maintenance (I/M) programs
Do-it-yourself service precautionsToyota CH-R Service Manual > Navigation System: AV Signal Stoppage (Low Battery Voltage) (B158F)
DESCRIPTION
This DTC is stored when a video or audio signal is interrupted due to battery
voltage input to the radio and display receiver assembly dropping temporarily.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
B158F
...
Toyota CH-R Service Manual > Air Conditioning System(for Automatic Air Conditioning System With Side-mounted
Air Conditioner Pressure Sensor): Back-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. This power
is used for diagnostic trouble code memory, etc.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for ...