Tire Pressure Warning System Terminals Of Ecu

Suspension & Axle. Lexus Gs430, Gs300. Uzs190 Grs190
Tire And Wheel. Lexus Gs430, Gs300. Uzs190 Grs190

Tire Pressure Warning System -- Terminals Of Ecu


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

Lexus Gs430, Gs300. Uzs190 Grs190.Tire And Wheel.Tire And Wheel System.Tire Pressure Warning System  Terminals Of Ecu


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