Installation
Parts LocationBack-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 ...
Dtc Check / Clear
DTC CHECK / CLEAR
NOTICE:
When the diagnosis system is changed from normal mode to check mode or vice versa,
all DTCs and freeze frame data recorded in normal mode are cleared. Before changing
modes, always check and make a note of DTCs and freeze frame data.
HINT:
DTCs which are sto ...
Precaution
PRECAUTION
1. PRECAUTIONS FOR REFRIGERANT HFO-1234yf (R1234yf)
(a) Compatibility
(1) The parts used in the refrigerant cycle, the compressor oil, etc. of the
HFO-1234yf (R1234yf) system are not compatible with the conventional HFC-134a (R134a)
system.
(b) HFO-1234yf (R1234yf) Refrigerant
(1 ...