Tacoma

Toyota Tacoma 2015-2018 Air Conditioning Workshop Manual

TERMINAL
NO.
(SYMBOL)
WIRING
COLOR
TERMINAL DESCRIPTION CONDITION SPECIFIED
CONDITION
A14-10
(CANH)
L
CAN communication
system
- -
A14-11
(CANL)
W
CAN communication
system
- -
A14-12
(GND) -
Body ground
W-B -
Body
ground
Ground for main power
supply
Always Below 1 Ω
A14-13
(PTC3) -
A14-12
(GND)*1
P - W-B
Quick heater operation
signal
Engine running
Blower switch off
Temperature settings: MAX HOT
Engine coolant temperature
65°C or lower
Ambient temperature 10°C or
lower
11 to 14 V
Engine running
Blower switch on
Temperature settings: MAX HOT
Engine coolant temperature
65°C or lower
Ambient temperature 10°C or
lower
Below 1 V
A14-14
(PTC2) -
A14-12
(GND)*1
W - W-B
Quick heater operation
signal
Engine running
Blower switch off
Temperature settings: MAX HOT
Engine coolant temperature
65°C or lower
Ambient temperature 10°C or
lower
11 to 14 V
Engine running
Blower switch on
Temperature settings: MAX HOT
Engine coolant temperature
65°C or lower
Ambient temperature 10°C or
lower
Below 1 V
A14-15
(PTC1) -
A14-12
(GND)*1
V - W-B
Quick heater operation
signal
Engine running
Blower switch off
Temperature settings: MAX HOT
Engine coolant temperature
65°C or lower
Ambient temperature 10°C or
11 to 14 V
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