Tacoma

Toyota Tacoma 2015-2018 Air Conditioning Workshop Manual

*1: w/ PTC Heater
(a) Waveform 1:
ITEM CONTENT
Terminal No. A35-7 (LOCK) - A36-10 (GND)
Tool Setting 200 mV/DIV., 10 ms./DIV.
Vehicle Condition
Engine running
Blower switch: LO
A/C switch: on
(b) Waveform 2:
ITEM CONTENT
Terminal No. A36-23 (BLW) - A36-10 (GND)
Tool Setting 1 V/DIV., 500 μs./DIV.
Vehicle Condition
Ignition switch ON
Blower switch: LO
2. AIR CONDITIONING CONTROL ASSEMBLY
HINT:
Check from the rear of the connector while it is connected to the air conditioning control assembly.
TERMINAL NO.
(SYMBOL)
WIRING
COLOR
TERMINAL DESCRIPTION CONDITION SPECIFIED
CONDITION
A33-8 (IG+) - A33-1
(GND)
LG - W-B Power source (IG)
Ignition switch
off
Below 1 V
Ignition switch
ON
11 to 14 V
A33-1 (GND) - Body
ground
W-B - Body
ground
Ground for air conditioning
control assembly
Always Below 1 Ω
A33-2 (STX) - A33-1
(GND)
SB - W-B LIN communication signal
Ignition switch
ON
Pulse generation
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