Toyota Prius 2010 Repair Manual page 57

HINT:
Check from the rear of the connector while it is connected to the A/C control assembly.
Terminal No.
(Symbol)
L20-2 (TX+) - L20-8
(GND)
L20-3 (SWO) - L20-8
(GND)
L20-5 (IG+) - L20-8
(GND)
L20-5 (IG+) - L20-8
(GND)
L20-6 (ILL+) - L20-7
(ILL-)
L20-6 (ILL+) - L20-7
(ILL-)
L20-8 (GND) - Body
ground
2010 Toyota Prius
Wiring Color Terminal Description
V - W-B LIN communication signal
Steering pad switch assembly
L - W-B
signal
B - W-B Power source (IG)
B - W-B Power source (IG)
G - W-B Light control switch signal
G - W-B Light control switch signal
W-B - Body Ground for front A/C control
ground assembly
Condition
Power switch on (IG)
No switch pushed
→ R/F switch pushed
→ TEMP+ switch
pushed
→ TEMP- switch
pushed
Power switch off
Power switch on (IG)
Light control switch off
Light control switch
tail or head
Always
Specified
Condition
Pulse generation
4.44 to 5.43 V
→ 1.19 to 1.49
V
→ 2.09 to 2.54
V
→ 3.2 to 3.88 V
Below 1 V
11 to 14 V
Below 1 V
11 to 14 V
Below 1 V
Repair Manual