TIRE PRESSURE WARNING SYSTEM > TERMINALS OF ECU

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HINT:
Inspect the connectors from the back side while the connectors are connected.


C107243E01


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specified Condition
IG (n12-1) - GND (n17-7)
G - W-B
IG power source
Engine switch on (IG)
10 to 16 V
CAL-SW (n12-2) - GND (n12-7)
Y - W-B
Tire pressure warning reset switch
Engine switch on (IG), Tire pressure warning reset switch on
8 to 15V
CAL-SW (n12-2) - GND (n12-7)
Y - W-B
Tire pressure warning reset switch
Engine switch on (IG), Tire pressure warning reset switch off
Below 1.5 V
ID-SW (n12-3) - GND (n12-7)
SB - W-B
Tire select switch input signal
Engine switch on (IG), Tire select switch on
8 to 15 V
ID-SW (n12-3) - GND (n12-7)
SB - W-B
Tire select switch input signal
Engine switch on (IG), Tire select switch off
Below 1.5 V
MPX1 (n12-6) - GND (n12-7)
LG - W-B
Multiplex communication line
Engine switch on (IG)
10 to 16 V
RDA (n12-9) - GND (n12-7)
SB - W-B
Tire pressure monitor receiver signal
Engine switch on (IG), when the tire pressure monitor receiver is not connected
9 to 16 V
RF5V (n12-10) - GND (n12-7)
R - W-B
Tire pressure monitor receiver power source
Engine switch on (IG)
4.5 to 5.5 V
MPX2 (n12-12) - GND (n12-7)
GR - W-B
Multiplex communication line
Engine switch on (IG)
10 to 16 V
GND2 (n12-4) - GND (n12-7)
P - W-B
Tire pressure monitor receiver ground
Always
Below 1 Ω